1. Update Google security patch to 2016 #6
2. To Improve stability of sensor hub.
3. Add system recovery mechanism.
4. Adjust power which can enable FOTA to 30%.
5. Enable to redeem 100GB free space in Google drive.
6. Improve camera effect.
7. Update SMMI tool to TEST_V5.1.38_CSC_L1L2.
8. Several Apps update.
9. Integrate Power Saver, Auto-Start Manager into ASUS Mobile Manager.
10. Update ASUS Support to ZenPad Care.
11. Add Facebook, Facebook Messenger, Instagram, TripAdvisor.
12. Remove Dr. Booster.
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 PadFone2
**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.
Notic: Please keep in mind that, you must flash - firmware at your own risk and also full responsible with you.