1. It is recommended to press the power button for 8- 10 seconds to see if the machine can be started normally.

2. It is recommended to take out the battery, expansion card and SIM card, clean the battery contacts, then plug the battery back into the mobile phone, and click the power button again to start the mobile phone.

3. If some third-party software is installed, it is recommended to try to enter safe mode to uninstall some third-party software.

1) Turn off the phone first, and then turn it on again. Once the screen is displayed on the phone, quickly press and hold the menu button until the words Safe Mode are displayed at the bottom left of the phone, and then release your hand.

2) After entering the safe mode, enter the task manager option to uninstall some installed third-party software.

Huawei mobile phone unlimited restart solution;

We hold down the on key and the Volume Increase key until the following interface appears.

2. In this recovery interface, let's try to click Restore Factory Settings first. It should be noted that as long as the factory settings are restored here, some information of our mobile phone may be lost.

2. If you still can't boot after restoring the factory settings, we will continue to clean up the cache partition.

4. it is still not possible to complete these two steps. Finally, only the rom can be reinstalled.

5. Go to the official website to download the CD. Copy the decompressed installation package and the whole dload folder to the root directory of our SD card.

6. Now everything is ready, which reminds us that the power of the mobile phone must be above 15%, otherwise it cannot be installed.

7. We have been pressing the power button+volume plus+volume minus three buttons. Until prompted to update.

8. After the updated interface appears, we just need to wait. The system will automatically complete the installation.