How to fix network error Oppo A37
Make sure your device's software is fine, has been successfully restored or flashed. Try to upgrade to the latest version and burn the flash files just fine.
OPPO A37 Network Problem |
OPPO A37 Network Problem |
OPPO A37 Network Problem |
If the software has been updated but the problem is not fixed, you can proceed to check or replace the respective components shown in the solution above.
Make sure that the condition of the PCB board is stable and not bent or damaged. Also, check for oxidation build-up, clean it up before you can continue.
First check the PA supply voltage, this is coming from the antenna terminal and you can monitor it between the capacitors shown in the solution above.