What to do if upgrade fails? Can version rollback be performed? - ZTE

Support Center

Learn more about your device with guides, shopping support, and more.

What to do if upgrade fails? Can version rollback be performed?

If the upgrade fails, the system automatically rolls back to the previous version.

Related articles

Photos are blurred after being zoomed in

This is normal. You can adjust the camera resolution to the maximum to reduce the ambig...

How to zoom in a photo?

You can zoom in or out with two fingers.

What is the default path for saving photos/video files? How to change it?

Open the camera, and tap the setting icon above the screen. The setting is displayed. S...

How to Obtain an NFC-Supported SIM Card

To experience the NFC-enabled analog function, you need to replace the NFC-SIM card in ...