ZTE Red Bull v5 telecom version locked how to untie

Hello! Hopefully, the following will be helpful to you.

If the PIN code is locked, please do not try to enter the wrong password repeatedly, after ten times, the mobile phone card will be permanently invalid, you can check the PUK code in the Anhui Telecom Network business hall, use the PUK code to unlock, you can also call customer service or inquire about PUK in the business hall.

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According to your description: screen lock forgotten can be unlocked by professionals after sale, if the PIN code is locked, please do not try to enter the wrong password repeatedly, after ten times, the mobile phone card will be permanently invalid, you can check the PUK code in the Anhui Telecom network business hall, use the PUK code to unlock, you can also call customer service or inquire PUK in the business hall.

Mobile phone tablet black screen - memory problem: Under normal circumstances, when the mobile phone stores too many things, many friends can feel that the mobile phone is running too slowly, and when their mobile phone is occupied by 80% of the memory that can be driven, there may be a dead black screen.

The problem of the second contact of the black screen of the mobile phone: This is the loosening of the contact of the mobile phone screen, which is not a big problem, but Zheng Yuna can directly cause the black screen of the mobile phone, which is difficult to find and can only be found after a lot of tests, which is generally caused by the mobile phone being bumped.

Mobile phone black screen three battery problem: It is common for many mobile phones to have a black screen after using it for a long time, the main reason is that the effective use time of the mobile phone battery is 1 year, or it is three years but there is a problem in one year, and excessive use leads to the aging of the mobile phone's battery and insufficient voltage.

The problem of four conflicts of the black screen of mobile phones: There are many applications for smartphones nowadays, but there are some software that are born with conflicts, which can also lead to black screens, so the black screen after installing a lot of software is basically this reason.

Mobile phone black screen five flashing problem: many people are keen to brush the phone, with a better system, in fact, some systems of mobile phones are not very supportive, and some are not complete flashing, resulting in the future when using the inevitable often black screen.

Solution: 1: Check whether the circuit board and the battery contact are not in good contact due to the elasticity of the contact is not enough, or the copper skin on the circuit board is dirty or rusty, and use the corresponding methods to solve the problem (it is possible to solder the battery contact directly on the circuit board).

2.Uninstall related software, clean up memory junk, and check for viruses.

3.Factory reset.

4.Check the phone and configuration, the configuration is too low and the screen in the game is black, you can change the phone.