ASUS ZenFone 2 (ZE550ML) Others Drivers Download

ASUS ZenFone 2 (ZE550ML) Others Drivers

USB

ASUS_Android_USB_drivers_for_Windows Download

Firmware

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V-2.20.40.156 for WW SKU only*(Andriod L) 1)Update security patch
2)Update ASUSZenUIServices
3)Remove 3rd party app (WW: Clean Master, CM Security, TW: EZ訂)
4)Slove multiple region calling problem

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.20.40.155 for WW SKU only* Andriod L Improvement Item:

1)Fix APP2SD issue
2)Remove 3rd party app (WW: Clean Master, CM Security, TW: EZ訂)
3)Update public warning system

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.20.40.149 for WW SKU only* Improvement Item:

1)Update Bluetooth FW
2)Fix APP2SD issue

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.20.40.148 for WW SKU only* Improvement Item:

1)Improve Power Save mode
2)improve system stability
3)Add CM Security app – Protect your devices from virus, malicious ads, or spyware. Use CM Security for your premium protection.
4)Remove Dr.Safety
5) Add ZenChoice - Your All-in-One app solutions platform to enrich your device's functionality.
6)Remove Asus Email after Factory Reset. You can use Gmail for relevant services.

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.20.40.144 for WW SKU only* Improvement Item:

Fixed internal storage abnormal issue.

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: 2.20.40.136 for WW SKU only* Improvement Item:

Update ASUS ZenUI Launcher App

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.20.40.130 for WW SKU only* Improvement Item:

1.Improve screen turn into black during phone call issue.
2.Fix Miracast frame rate drop issue.

3.Fix network data warning notice don not come up issue
4.FixWi-Fi conncet issue
5.Fix 3G cannot camp to H plus in Laos and Paraguay issue.
6.Fix the coming call issue when using bluetooth earphone.
7.Fix Unlock Tool issue.
8.Improve service stability of modem
9.Fix the charging issue of roaming to LTE when data roaming option disabled
10.Fix boost stability issue
11.Fix the issue that user would still receive the notifications from Auto start denied Apps
12..Fix ASUS Mobile Manager data usage restriction issue
13.Fix ZenMotion Shake Shake screenshot issue
14.Fix URL recognition issue in Messages
15.Modify HK Chinese strings
16.Fix IME issue when open Yahoo PC version webpage by ASUS Browser
17.Fix countdown alarm issue after set in Snap View
18.Fix string issue in Theme Apps
19.Fix charge remained time display issue when quick charging
20.Fix SIM PIN lock issue in Cover View
21.Modify Quick charge notification UI layout
22.Fix System UI stability issue
23.Fix Power saver settings issue
24.Fix JP FlipFont issue
25.Fix Battery Simplified Chinese string issue
26.Fix ASUS Mobile Manager data usage calculation issue
27.Improve Auto Start Manager stability
28.Remove BookLive from JP SKU
29.Fix Documents UI stability issue
30.Fix Snap View UI issue and improve its performance when install 3rd party apps
31.Improve Hand Writing accuracy
32.Fix flashlight turn-off issue when double tap power key
33.Fix Power Saver Ultra saving mode notification settings issue

New Features:

1.Add phone number editing function in Dual SIM settings.
2.Add 128G SD card turn into Power Saver mode function.
3.Add Latvian and Lithuanian languages.

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.20.40.92 for WW SKU only* Improvement Item:

1. Fix Power and Boost duplicated icon issue
2. Fix System UI randomly crash issue when in Turkish language

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.20.40.88 for WW SKU only* Improvement Item:

1. Fixed the display issue after answering a call.
2. Fixed the issue that photo will be yellowish when use flash.
3. Improve stability of modem
4. Fixed Quick charging issue
5. Dim the lowest brightness level in Manual mode
6. Improve memory usage

New Feature:
1. Power Saver:
NEW Power saver UI
Added Battery mode detail pages
Added Customized modes
2. Auto start Manager:
Add “Clean up in suspend” function. (If user use the app which already deny from auto-starting, the app will be clean up after display off.)
Provide ZenUI Apps for user to deny from auto-starting.
3. ASUS Mobile Manager:
Add “Power & Boost” function.
Add the Battery and Memory layout.

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.20.40.43 for WW SKU only* Improvement Item:

1. Fixed baterry display error issue.
2. Fixed the issue which is about sliding to answer and hanging up the call.
3. Improve the call stability.
4. Improve the compatibility for some APP.
5. Improve the fluency of using the camera.

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.20.40.41 for WW SKU only* Improvement Item:

1. Fix WIFI info sync-up issue
2. Improve System UI and lock screen stability
3. Improve Launcher App stability
4. Fix Alarm function issue after set up in Snap View mode
5. Improve Task Manager
6. Optimize Multi user and Do not disturb mode function stability
7. Fix camera sphere panorama issue
8. Improve Auto Start Manager stability
9. Fixed when AC removed, UI still shows in charge mode.
10. Fixed Cisco Anywhere VPN connectin fail issue
11. Fix Wi-Fi hot spot MAC address
12. Fixed issue that noise comes out when use earphone.
13. Fixed UI shows only can making emergency call issue
14. Fixed vibrate function fail.
15. Fixed NFC can not auto connect to BT earphone.
16. Fixed can't transfer files through NFC(android beam)
17. Fixed can't use Kingston 32G SD
18. Fixed auto enable MTP issue.
19. Fixed Screen won't turn on after hang off the phone.
20. Fixed no show PCCW issue.
21. Fixed Wi-Fi hot spot can not be access by Xbox360
22. Fixed 4G internet issue.
23. Fixed ID operator can't get H+ issue
24. Fixed internet icon disappear issue.
25. Fixed charge issue.
26. Implement Android security patch for Stagefright
27. Fixed tha issue: In vibrate mod, the ringtone is too loud by using headphones.
28. Fixed Puzzle & Dragons crash issue.

New Features
1. Add Hands up
As phone is ringing, hold phone in portrait mode and lift to touch the ear to answer the phone.
2. Added Mobile Manager app which has six major functions:
- Data usage: Controls the apps' data usage
- Notifications: Manages annoying notifications
- Auto-start Manager: Manages auto-start apps running in the background
- Boost: Boosts memory
- Power Saver: Provides various battery modes to extend the battery life
- Virus Scanner: Scans virus and malwares
3. Add Flip cover function
Add new Clock theme
Add VIP icon in Clock view for SMS/email/missed call
Add timer reminder
Add charging reminder
4. Add Cover View function
New clock theme
Allows detail checking of everyday events in Calendar view
Supports Spotify on Music app

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.19.40.23 for WW SKU only* Improvement Item:

1. Add kill switch (Anti-theft) function for US regulation (US country code)
2. Improve modem capability in India
3. Fixed the issue that cannot phone with Tailand True Provider SIM1.

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.19.40.13 for WW SKU only* Improvement Item:

1. Fix the issue that sometimes HDR mode will have green line.
2. Improve the video recording quality.
3. Improve Power saver stability and fix WIFI connect state issue in advanced settings
4. Improve Auto Start Manager stability and fix the App continuous pushed notification issue after restricting its auto start
5. Fix notice shows up while the first message comes only issue
6. Fix notice shows up while the first message comes only issu
7. Update phone APN version to 105.
8. Fixed camera can not open sometimes when using zenflash
9. Improve volume of recording video will increase and decrease alternately.
10. Do not config Routing.Configure.HWCodec.Playback.Mixers.Headset when using FM.
11. Fixed some BLE device can not auto reconnect
12. Improve service stability
13. Improve modem stability from crash
14. Improve call stability
15. Quick Settings: Change "Reading Mode" button as "Bluelight filter"
16. Improve SysteM UI stability
17. Improve lockscreen UI and stability
18. Fix Homescreen Wallpaper randomly lost previous settings and half black screen issue
19. Snap View-add reset Snap View password function
20. Fix Contacts search failure issue when default language was set as HK Chinese
21. Improve Auto start manager stability and fix FB broadcast issue
22. Improve Task Manager UI and rotation stability
23. Fix calculator stability issue and UI bug under Quick Memo App
24. Improve Launcher and Multi user stability from System and framework
25. Fix Google Voice incoming call source issue and the failure to change to Google Voice number
26. Fix the miss call issue when it is in multi-user mode.
27. Improve File Manager stability
28. Add ASUS ZenUI PC Suite
29. Fix all touch gestures to be enabled when change back to owner mode
30. Fix ASUS Browser issue
31. Fix the issue that Audio Wizard cannot be launched when turn off BT
32. Fixed turn on the camera must unlock by using zenmotion issue
33. Fixed an error message shows up after removing privacy mode and adding new user immediately issue.
34. Fixed wallpaper needs to have second clicks for reaction issue.
35. Fixed close contacts shows other programs issue.
36. Fixed built-in calendar Click settings will flash issue.
37. Fixed ringtones into vibrate mode when the camera is off camera sounds issue.
38. Fixed volume keys to adjust the ring abnormaliy issue.
39. Fixed wallpaper Figure has been broken issue.
40. Fixed after the system optimization, message management have stopped running issue.
41. Add Battery charging ready reminder feature.
For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, .
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.18.40.7 for WW SKU only* Improvement Item:

1. Use Google Search Widget on Default Home Screen
2. Improve Calendar App stability
3. Fix Calling screen flow issue when make calls by both SIM1 and SIM2
4. Improve Telephony stability
5. Fix the Do not disturb mode issue that "Allow only priority interruption" would be back to default settings after reboot
6. Fix MyASUS stability issue
7. Promote ASUS Power Saver
Provide variety of power saving mode for users to choose
Auto change to Ultra saving mode when low battery
Add Auto switch mode
8. Fixed 3rd party app issue.
9. Return OK when setting parameters during picture encoding.
10. Do not vibrate when android mode is incall.
11. Update touch FW
12. Fixed video gamma incorrect.
13. Improve the image quality.
14. Improve service stability
15. Improve modem stability from crash
16. Improve signal bar stability
17. Force output to be primary output when using BT_SCO.
18. Fixed system will reboot when connecting to VPN
19. Increase multiPartition Number to 256
20. Fix Download yahoo mail attachment issue when using ASUS Browser
21. Fix several Browser issues
22. Optimize Miracast connection UX flow
23. Fix the issues of wallpaper installation failure through Dropbox
24. Improve Music App stability
25. Fix several issues in Settings
26. ASUS Support UI improvement
27. Improve Sound recorder stability
28. System UI: Improve the SIM icon in system UI after FOTA MR6
29. Increase 3dB gain for receiver.
30. Improve Flip Cover function
31. Using HW encode for 4G SKU.
32. Correction privacy mode can not start a single hand mode
33. Fixed difficult to lift the screen fixed function
34. Fixed SIM settings issue
35. Fixed browser unusual problem
36. Add YahooAuction (TW SKU)

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.17.40.6 for WW SKU only* Improvement Item:

1. Fix location picker crash issue when attaching location info by Messaging
2. Fix Live Wallpaper settings issue when in landscape mode
3. Improve Camera App overall stability
4. Reduce the occurrence of the issue that words sometimes fail to come out when typing
5. Shorten the required time of setup calls
6. Fix outgoing call problems when using back key
7. Fix "No SIM or SIM error" issue when calling the phone number starting with 911, 112
8. Improve image quality in detail.
9. fixed the audio sound maybe lag when using headset
10. Improve signal bar stability
11. Fixed the interruptions mode issue.
12. Fixed flip cover cannot support some apps issue.
13. Fixed the issue which shows up others app when swiching off contacts
14. Fixed Fresh Green cannot be used by ASUS ZenUI issue
15. Fixed bluetooth is easy to disconnect issue.
16. Fixed low voice issue with headset issue
17. Fixed video appears abnormal issue.
18. Fixed sound interference issue while using headset
19. Fixed Gallery issue
20. Add EZ table
21. Add ZenTalk App stub in WW SKU
22. Improve in call screen UI performance
23. Fix WIFI setting issue
24. Fix web browser settings problem
25. Fix the slient mode issue
26. Resolve the issue which the talk time turns zero while the call record is cleared.
27. Improve camera function stability
28. Fix Interruption mode ringtone issue
29. Fix the "prevent the device from being waked up" supportability issue
30. Fix the Ultra Saving mode issues
31. Fix Cover View Calendar issue
32. Improve double tap suspend performance
33. Add Auto start manager shortcut on home
34. Show full-charged capacity to 3000 and update battery info para/code

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.15.40.13 for WW SKU only* Improvement Item:

1. Improve 3rd party app compatibility.
2. Fix specific dialing problem in some countries

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.15.40.11 for WW SKU only* Improvement Item:
1. Improve memory usage
2. APN Table update
3. Fix Miracast/RealShow doesn't work issue.
4. Improve Camera quality
5. Improve Power/ Battery UI
6. Improve Browser WebView compatibility
7. Fix the Ultra Saving mode issues
8. Improve double tap suspend performance
9. Update graphic driver
10. Fixed apps crashing due to Android System Webview update
11. Fixed ASUS Browser flicker issue on some desktop sites
12. Add Auto start manager shortcut on home +1
13. Change Quick Memo to Auto start manager as default in Quick settings

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image:
V2.14.40.17 for WW SKU only* Improvement Item:
1. Support Sim2 always set voice networktype
2. Smart Cover New Features
Double tap to turn off the screen
Displays the battery level on the Clock view’s color ring
Added Calendar app
Added Mystic Ball app (To enable, go to Settings > ASUS
customized settings > ASUS Cover settings > Select apps on the
cover screen.)
Allows to adjust the screen’s position
Swipe up to select and change Clock theme
Slide up the icon to launch Camera
The photos captured via Cover view are saved to ASUS Camera’
s folder
3. Power Saver: Added wake up app list management in Ultra-
saving mode
4. Themes App: Download new themes to customize your device
5. Google Drive Free 100 GB space (WW only )
6. Improve WIFI compatibility
7. Add Some Apps (TW Only)
8. Auto Start Manager:Promote Auto Start Manager entry in Quick
Box, Settings and Home Screen
9. Sound Recorder: Controls recording and playback on
notifications

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes
CN：http://zentalk.asus.com.cn/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual”
Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN,
TW->TW.
4. Software update cannot transfer the software SKU and
downgrade the software version.
5. Wrong SKU may cause update failure, please update the
same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup
your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.13.40.11 for WW SKU only* Improvement Item:
1. APN Table Update
2. intel Graphic Driver Update
3. Improve USB network sharing behavior
4. Improve power consumption

For more information please refer to:
TW：http://www.asus.com/zentalk/tw/ReleaseNotes
WW：http://www.asus.com/zentalk/ReleaseNotes

Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2=ZE550ML (Z008B/Z008C/Z008D) software Image: V2.12.40.9 for WW SKU only* Steps of Update:
1. Check software version of your device**
2. Download device software and Update SOP (From “Manual” Item)
3. Only apply to same SKU update, Example: WW->WW, CN->CN, TW->TW.
4. Software update cannot transfer the software SKU and downgrade the software version.
5. Wrong SKU may cause update failure, please update the same SKU version only.
*How to know the device model?
Path: Settings->About-> Model number
Example: ASUS_T00I
**How to know the device software version?
Path: Settings->About-> software information->Build number
***System upgrade may cause part of data missing, please buckup your important data before system upgrading. Download

ASUS ZenFone 2 (ZE550ML) Others Drivers

USB

Firmware

Source Code