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In that case there are two other options, that must work but you will lose your user data.
1. Process a factory data reset in Settings --> Backup & reset, then after reboot, connect to your WiFi router and start the update process again.
2. Flash the updated software on your phone with SP Flash Tool. You can find the needed guides and resources on the following page: http://community.umidigi.com/thread-2939-1-1.html
As an option, you may uncheck the userdata partition in the flasher app before flashing to keep your user data untouched. However, this method might cause some issues since the saved data of old system resources will also be kept in place. |
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