Xiaomi Mi 2S updated to 5 5 9 Development Edition, the phone always has a black screen, how to solve

Possible causes and solutions for the black screen of your phone:

1.Insufficient memory: When the phone runs too many programs at the same time, the phone runs too slowly, and it may crash.

Solution: Force restart your phone. Press and hold the "Power" button on the top or side of your phone for at least 10 seconds or so until the screen light turns off and restarts.

2.Caused by poor contact: The cable between the mobile phone screen and the motherboard is loose, mainly caused by the mobile phone being bumped.

Solution: Mobile phone after-sales repair or repair shop repair.

3.Caused by battery failure: The mobile phone battery is aging and the voltage is insufficient.

Solution: Replace your phone's battery.

Conflict-induced: The application software conflicts cause a black screen.

Solution: Uninstall the incompatible application.

5.Improper flashing: The system motherboard of the flashing firmware upgrade is not supported, and the flashing process is abnormal, resulting in incomplete flashing.

Solution: Reflash the device and use the old version of firmware.

Hello. If you have a problem with your phone, it is recommended that you back up your important data first, and then perform a full package of wire flashing (it is recommended that you flash to the latest development version).

I'm using Xiaomi Mi 3 now to work and it's all black screen.,Later, I just updated my phone.,I haven't had it until now.,Your phone may also need to update the system.。

Directly swipe back to your original version.

The easiest way is to deduct the battery and restart, but everyone who uses Xiaomi knows that it is difficult to open the cover.

The answer given by Xiaomi's official customer service is to connect the data cable, clear the data, and then back up the phone data and restore the factory settings, but the premise is that it can be connected to the computer.

There may also be a problem with the film, the distance sensor is occluded, but if you are using Xiaomi's film, it should be unlikely that there will be such a problem.

At the same time, you can follow the flashing tutorial to flash, and the sixth way is line brushing:

If your problem has not been solved, it is recommended that you contact your nearest Xiaomi Home and let Xiaomi's engineers do a comprehensive inspection for you to see if it needs to be repaired.

A more detailed description of the problem will help netizens understand the troubles you are encountering and help you solve the problem more accurately. Thank you for supporting Xiaomi phones!

Reboot a few more times. If it still won't turn on. I can only take it and fix it. Return to the factory for repair, take the invoice to the nearest local after-sales service provider to register and solve.

I had a Mi2 before.,It's also black.,And then I went to the after-sales service and it seemed to be OK to change the cable.。

Hi! Hi!

1.Please check whether the battery is charged, or it is recommended that you remove the battery and reinstall it to try to turn it on.

Or remove the battery for 5 minutes and connect the charger for 30 minutes to try whether it can be turned on, or if it doesn't work, please plug it in and try whether it can be turned on.

2, or if you have the conditions, it is recommended that you replace a battery, try it.

3，..Still doesn't work, please press and hold the power button and volume button (connected to the charger) to try whether you can enter recovery mode, enter the back three clear data, and try whether it can be turned on.

Mi Home is open from Tuesday to Sunday, from 10 a.m. to 6 p.m. During the warranty period, non-man-made damage is completely free of charge.

We hope you find the above reply helpful.

Could you please explain the current situation so that you can judge the problem.