
If the screen of your vivo Y51 2020 mobile is turning on and the back light is not coming. Meaning it looks very dark. So this post is shared for you
problem identification
Mobile turns on but no light comes on the screen
A light UI appears when looking at the dice
Touch is working but user can’t see anything
jumper solutions step by step
1 Disconnect the battery and open the mobile completely
2 Check the display connector carefully. Sometimes the copper line gets cut due to burning
3 Look carefully at the image given below
4 A thin red wire is connected directly to one of the display flex leads from the board. This wire is bypassing the back light positive supply.
5 While soldering the wire make sure the connection is strong and not short circuited.
Motherboard LCD Connector Pin Number 2 | Display Connector Pin Number 2 (Jumper)

Conclusion
Vivo y51 display light problem can be easily fixed with jumper wire in this way, this trick is beneficial for those who do repairing and want to save time
vivo y51 display light diagram


If you feel that this solution did not work for you then you can tell me by commenting?
Please i need a training
ok boss