Choose to automatically search for and download the latest released version.
Maintain at least 50% charge to prevent mid-flash death. Cable: Use a high-quality data cable (OEM is best).
For standard users, it is generally safer to use the feature found under Settings > System > System Update to ensure the most stable experience.
./zte_updater --apply ./payloads/firmware_v2.1.delta
: Using unofficial frameworks or non-carrier firmware usually voids your manufacturer warranty.