If you encounter any issues using this guide, please post in comments section for assistance.
Flashing ZTE SDcard Update / Upgrade package
Step One: Download ZTE stock ROM / SDcard update or upgrade package for any model from here.
Step Two: Copy the update.zip package from your computer to the phone’s root directory (/sdcard/) of the storage.
– On your computer, navigate to Computer > Device Model > Phone. Then copy the update.zip package into this location. – For MTP mode
– Copy to Phone storage or Internal SDcard root, if connected via Mass storage.
Step Three: Verify that the file has been successfully copied to your device storage by navigating to your device root directory via a file manager
Step Four: Now go to: Settings => About Phone => System updates => Storage card updates. Tap Ok to proceed.
Step Five: If you have not previously made a backup and still wish to do so, click Backup& Update. Else, select Update Now to begin the firmware update / upgrade process.
Step Six: The phone will reboot and start the upgrade. Please be patient and do not interrupt, the whole upgrade process may take about 5 minutes.
The phone will restart again when the updating finishes. This reboot may take about 10 minutes.
Congratulations! You have successfully updated your ZTE Smartphone firmware. To check this, Go to Settings > About.
If you have any comments to make, please use comments section below.