1. Check whether there is an update: Open the settings application of the mobile phone, select System and Update, and click Software Update to check whether there is a new version update.
2. Clear the cache and data: select Application Management in the setting application, find the software update application, clear the cache and data, and try the update again.
3. Brush machine upgrade: You can consider upgrading the firmware with the brush machine tool. This operation will result in data loss. Please back up your mobile phone data in advance.
4. Contact after-sales: Please contact the official customer service of Glory or the nearest after-sales maintenance center for help.