Nokia 1680c , 1681c display problem solution

Nokia 1680c , 1681c display problem solution
Here is the solution for Nokia 1680c and conventional display such as white screen, blue screen and white screen display problem 1681 issue.

To troubleshoot display as blue and white screen problems, you can first restore and update the flash firmware flash device , display as is sometimes caused by a failure of the firmware problem. If the calibration firmware does not fix the phone, you can then consider that the problem is a hardware failure.

For equipment troubleshooting display problems, you can first try to replace the LCD module . then refer to the solution below if the newly installed has the same problem LCD.

You can first start checking the connector pins on the screen for any damage , also clean if oxidation accumulation found . Check pins supply voltage VIO and VFLASH LCD . Trace each path lines corresponding display signals. There were four resistors connected to it , this resistance has a nominal value of 100 ohms each, also check and replace if found damaged.
If the above steps did not resolve the problem , then you can consider that the problem can be found on the processor chip . Reworking or replacing it fix the display problem on Nokia 1680c or 1681c .