Samsung Galaxy J7 J700F Hang or frozen and white screen can be fix by restoring or flash updating the phones firmware, but sometimes it is cause by a hardware problem issues especially those suffered by wet or water damaged.
Here’ how to troubleshoot the Samsung Galaxy J7 J700F Display problem:
For quick fix, on minor problem like if the phone status shows no indication of being wet by any liquid, free of oxidation build up or the PCB board is still clean.
– Check the Flex ribbon cable wire.. replace if damaged.
– Check/ try to replace the LCD screen, the white LED’s on it may already been busted.
Just refer to the solution below, this may help in solving backlight white LED problem on Samsung SM-J700F after you confirmed that the LCD screen is okay or already tried replacing it
Samsung Galaxy J7 SM-J700F Blue, Blank and White Display Problem Solution
If ever encountered this kind of problem you may first try to update or restore the device firmware first, and then try to install a new replacement LCD screen module.
If all of the above already been done but still the problem still exists, you may then used this solution below for hardware troubleshooting procedure on Samsung Galaxy J7 J700F PCB board.
Please Note that we will edit these solutions or add new ones if found in this page at any time in the future. So feel free to come back any time on this page to stay up to date.
If you have further questions please don’t hesitate to leave a comment.
Note: Every repairing solution posted here is tested by at least one member of our team. Use the information available here at Your Own Risk. We are not responsible if any harm comes to your device during the repairing process.
Samsung Galaxy J7 J700F LCD Display Light IC Solution Jumper Problem Ways LCD Display Light Not Working
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