Download Link ( Stable rom )
Warning:
- Please do not upgrade the phone with non-official firmware
- Upgrading international version phone with the mainland China Simple Chinese version firmware may lead to compatibility issues
- Before upgrading, check that the battery has at least 20% capacity
- Selecting "Clear data" will delete all personal data ( such as Notes, Email, and Contacts); whereas the internal storage for Music and Camera photos ...etc. will remain intact.
- Already opened system permission (ROOT), the user must select "Clear Data" to clear phone data for firmware upgrade, Otherwise, it may cause abnormal system or application error ;
- After upgrading the firmware, if system reboot or application force close, please try to reset your phone or re-upgrading (Settings-> phone->Storage->Factory reset to reset the phone)
Upgrade procedure:
- Copy firmware "update.zip" onto the phone, open the "Documents" and click the firmware "update.zip" to upgrade firmware
- System upgrading, please do not shut down the phone
- The system will automatically reboot after upgraded
- After boot up, please check “Settings->About” to verify the correct firmware version is installed
