Xiaomi Redmi 8A no service, receive only emergency calls and no signal error is one of the common problems commonly encountered by users of Xiaomi Redmi 8A smartphone or any operating system and brand. any. When this issue occurs, you won't be able to make calls and send text messages on your device.
Causes of network problems on Xiaomi Redmi 8A
- Your SIM card is faulty.
- The network operator has a problem.
- The antenna contacts may be dusty or poorly contacted.
- The antenna circuit is broken.
- The coil, the capacitor on the wave circuit is faulty.
How to fix Xiaomi Redmi 8A with network problems
- Please make sure that you have successfully updated the software or factory reset.
- Try to upgrade your phone to the latest version.
- If the software has been checked but the problem is not fixed, follow up and check or replace the corresponding parts shown in the picture.
- Make sure the mainbroad is still working properly and there are no signs of warping.
- Also check if there is oxidation on main, clean it before continuing. Next, check the supply voltage to the PA, this is coming from the antenna terminal and you can monitor it between the capacitors shown in the figure.
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