What should I do if the resolution of Mavericks 2 Z5smin mobile phone decreases? The mobile phone worked normally yesterday morning. After adjusting the weather software, my hand was injured.

Hello, when this problem occurs, we suggest that you back up your data, then enter the recovery mode for double clearing, and then upgrade to the latest version. Shuangqing tutorial is as follows:

1. When the phone is turned off, press and hold the volume button+power button. Release the power button after the mobile phone vibrates and restarts, and keep pressing the volume button until it enters the recovery mode;

2. Move the cursor with the volume up and down keys, move the cursor to the erasing data/factory reset line, and then press the power button to select it;

3. Use the up and down keys of the volume to move the cursor, move the cursor to Yes-delete all user data lines, and press the power button to select it;

4. At this time, the mobile phone will restore the factory settings, and then the mobile phone will return to the main menu;

5. You can also use the up and down keys of the volume to move the cursor to erase the cache dividing line, and then press the power button to select it;

6. Use the power button to select the reset system now line, and the phone will automatically restart, and double clearing will be completed.

You can click here to check.

And system ROM download link. Or go to the nearest authorized maintenance center, and our after-sales staff will solve the problem for you free of charge. Click to view the address of customer service center and Nubian after-sales service policy.

If you have any questions, please go to Nubian official website to consult online customer service. I wish you an early settlement. Thank you!

Thank you for your concern and support for Nubian products. I wish you a happy life. Thank you.