Xiaomi Redmi 9A Signal Troubleshooting Solution
Reboot your phone and Redmi 9A and check. Remove and reinsert the SIM card and check. Switch between different network modes and test. Check if another SIM card is working and your SIM card or network operator may be having problems.
How to Troubleshoot Redmi 9A Network Problems
Make sure that the device's software is successfully restored or flashed. Try to upgrade to higher version and burn flash files just fine.
Xiaomi Redmi 9A Network Problem |
If the software has been implemented but the problem is not fixed, you can follow up, 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 connector and you can monitor it between the capacitors shown on the solution above.
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