There are many reports of Xiaomi Redmi Note 9 Network Ways, so we share this article to provide a range of solutions to support repair. If you are a mobile technician and are looking for a solution to repair your Xiaomi Redmi Note 9 phone with no signal, no signal, no signal... this guide might be helpful.
The solution in this post can help to fix and fix the Xiaomi Redmi Note 9 losing signal. Before you can continue using this solution, make sure that your device's software is fine, restored, and has been flashed or updated. This solution can only be used if the device gets into water or the user drops it on the ground.
Xiaomi Redmi Note 9 no service, 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.
Signs Redmi Note 9 has network problems
- There is no network on your phone.
- Low signal.
- The phone only searches for the network, but is not connected.
- The signal drops continuously.
Cause Redmi Note 9 has network problems
- Your SIM card may be faulty.
- Your network operator may be experiencing temporary problems.
- The GSM antenna contact may be rusty or may have some dirt on it.
- The antenna contacts are incomplete with the GSM antenna contacts.
- Any coils and capacitors of the antenna network or the Power Amp IC can be faulty.
- The secondary coil antenna may be faulty.
Repair signal problems Xiaomi Redmi Note 9
- Reboot your Xiaomi Redmi Note 9 phone and check.
- Remove and reinsert the SIM card and test.
- 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.
- Redmi Note 9 Jumper network problems solutions
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 Ways |
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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