Once downloaded, the update.zip file is placed in the root directory of the device's internal storage or SD card and installed via the "Local Update" menu in settings.
If the system does not boot, you may need to perform a factory reset or use official ZTE Service Centers for hardware-level support. How to update the system? - Support - ZTE zte software v01b07 download work
The device will automatically check for the latest version. If is available for your region and model, a "Download" button will appear. Once downloaded, the update
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