Sony Xperia U ST25i Display Lcd Light Solution

Sony Xperia U ST25i display lighting or dark screen display but the incoming call’s & Keypad tone are working. This problem is cause by the backlight LED on the LCD that is not working or doesn’t light up.
One of the issues that have been found in Sony Xperia U ST25i is the display lighting problem.

Following are the most common Sony Xperia ST25i Lighting problems that one might encounter, these include:
Blank Display
Display light blinking
Dim Display Lighting

If your Sony Xperia U ST25i is encountering any such problems then all you have to do is to go with these manual as well as hardware fixes, as they will be able to solve your ST25i display lighting issue in the best possible manner. So let’s begin with,

Manual Solutions of Sony ST25i Display Lighting Problems
Remove battery & re-insert it again and check.
Remove Memory card & Sim card and check.
Make sure your battery is full or try with another full charged battery.

Hardware Solutions of Sony Xperia U ST25i Dsiplay Lighing Problems

Clean Display jack and onboard display connector and check.

If the above method doesn’t work then reheat or re-solder all the connectors and components on board of Display jack.
Connect any other Good Display in order to verify the problem, whether it is with your Display or connector.
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If you have further Questions please leave a comment.
Note: Please note that even though every solution posted on our website is tested by one or more members of our team before posting, but still we do not take any responsibility for any damage it may cause to your cell phones. Use these repairing solutions at your own risk. Thank You