How to solve the problem of poor Xiaomi 12S Ultra signal?

Users of Xiaomi mobile phones may encounter a problem from time to time, that is, the mobile phone is not connected to the network when it is full of signals. This is the problem of signal disconnection. For users who often surf the Internet and need mobile phones to work, this problem is really serious. How can we solve this problem quickly? The small editor provides a detailed solution for users who need it.

What should I do if the Xiaomi 12S Ultra signal is bad? Xiaomi 12S Ultra Signal Difference Solution

The mobile phone can recognize the SIM card, but the signal is poor (weak signal), unable to make or receive calls; There are many reasons for poor mobile signal (weak signal), such as the surrounding environment, weather, location, operators themselves, common use habits (such as using metal protective sleeves), system failures, mobile phone hardware, etc; The following methods are recommended:

1. The phone cannot be dialed or received, but the signal bar of the mobile phone displays normally. First, check whether the SIM card is in arrears;

2. Select reasonable network type settings according to the operator of the SIM card used. It is recommended to select 4G first;

3. Whether this is also the case when trying to make a phone call in another location, such as outdoor, non interfering environment, etc. It is ruled out that the mobile phone signal is weak due to the poor signal of the operator due to the use environment (such as basement, tunnel, relatively closed buildings, etc.);

4. Determine whether it is the operator's own network problem. For example, check whether the network of the same operator used by colleagues or friends is normal. In addition, it does not rule out the reason for the aging of the SIM card. Try to replace a SIM card with the same operation and network;

5. Some protective cases on the market adopt large-area electroplating process in pursuit of beauty. The metal in them will shield the mobile phone signal, thus affecting the reception and transmission of the mobile phone signal. If such protective cases are used, it is recommended to temporarily remove them and check the signal;

6. It is recommended to check whether the MIUI version is the latest version (there are relevant prompts on the MIUI version page). It is recommended to update to the latest version of MIUI, and then check the mobile phone signal bar or make a call attempt;

7. After eliminating the external reasons such as the problems of the local network operator, the interference of the environment used, and the system problems, set up My Device>& gt; All Parameters>& gt; Status information - SIM card status, or enter * # * # 4636 # * # * *> in the dialing interface& gt; In the mobile phone information, check the signal strength of the mobile phone. Generally, it is - 50dbm_- 90dbm belongs to the relatively normal range. If it is above - 100dbm and occasionally jumps to the normal range, there may be some problems with the signal. You need to go to Xiaomi authorized repair service center with your mobile phone for detection and processing.

There are many ways to solve the problem of poor signal of Xiaomi 12S Ultra. You can quickly solve the problem by selecting the corresponding method under different circumstances. The overall operation is also very simple. Users who need to remember to collect this page to prevent related problems from not knowing how to solve them.