Asus Zenfone 2 users should have been already Got the notification for the update , but for those who haven't got can check the update manually by Going to -
1. Go to Settings > About.
2. Check out System updates.
|Thanks Gokul Nath for Screenshots|
Release Notes of the Update -
- Software update to Android 6.0 Mashmallow. Internal storage will decrease slightly after update, it is recommended back up data and relocate media files (pictures & vides) to SD card to reserve enough storage before starting the software update.
- Android Marshmallow won't support APP2SD. Please move apps to internal storage before system upgrades.
- Multi-user function won't be supported if the account is deleted. Please keep your account to continue usage.
- This update will remove ASUS Email, ASUS Calendar, ASUS Messaging, and won't be preloaded in this software version. You can use GMail, Google Calendar, Google Messenger for relevant services.