For Huawei Y7 Prime LCD Touch Screen Sensor TRT L21 L21A L21X LX2 LX1 LX3 2017 Display Assembly Frame | Мобильные телефоны и

For Huawei Y7 Prime LCD Touch Screen Sensor TRT L21 L21A L21X LX2 LX1 LX3 2017 Display Assembly Frame | Мобильные телефоны и

Simple trouble shooting:

Pls do the test as below if the screen can't work perfect:

1 Check the appearance of the screen,whether the cable or touch screen is broken;​

whether the LCD screen is pressed to leak;whether the part has fallen.

2 Pls check whether the model is correct and whether the motherboard,connector,

CPU and IC can work well.If there's nothing damage,pls turn off your phone.

3 Pls reconnect the flex cable with strength,but pls don't fold or break the cable.

Button type cable should pay attention to the fastening technique,don't use brute

force to avoid damage.

4 Remove all the cable,use alcohol with a clean soft cotton cloth,and gently wipe

the position of each cable interface.To remove the rust from the connector which 

affect the circuit connect.Then gently install the cable and start the phone to test.

5 If you have any questions,pls contact with my after-sale department at once.

FAQ & Helpdesk

Q:I want to install the screen by myself,could you provide me a installation video?

A:Yes my friend,if you need the installation video,pls contact with us when you feel free and we will provide it for you.

Q:What should i do if the screen was broken or the screen can't work?

A:Pls contact with us ASAP when this happens,and we will do our best to help you.

Besides,it will be better if you can recording an unpacking video.

Q:What's the different between the screen with frame and without frame?

A:The screen with frame is the frame has been glued to the screen.So you needn't ​

glue the frame to the screen by yourself.If you aren't a professional repairman,it

will be better for you to buy a screen with frame,it will easier for you to install.