Xiaomi Redmi Note 9 Network Problems, only showing emergency calls and no signal error are among the common problems encountered by Redmi Note 9 smartphone users regardless of the brand and operating system that they use. device in use. When this issue occurs, you won't be able to send and receive text messages or make calls on your device.
Make sure that the condition of the PCB board is stable and not bent or damaged.
How to repair Redmi Note 9 phone with network error
Make sure your device's software is fine, has been successfully restored or flashed.
Try to upgrade to higher version and burn flash files just fine. If software calibration has been performed but nothing seems to happen, you can proceed to monitor, test or replace the respective components shown in the solution above.
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| Xiaomi Redmi Note 9 Network Problems |
Make sure that the condition of the PCB board is stable and not bent or damaged.
Also check for oxidation, 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.
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