Xiaomi Mi 2A has a good and bad signal, what s going on?

1. There is no signal or the signal is relatively poor, mainly because the signal will be affected by various factors such as terrain, landform, and high-rise buildings in the process of propagation, such as the current location is in a relatively closed place, and the signal may be affected.

2. If the mobile phone signal of other China Unicom users is normal, the following methods can be used to troubleshoot:

Method 1] Turn on airplane mode, then turn off or restart your phone and try again.

Method 2] Test of changing the phone card to change the mobile phone card to the mobile phone of a family member or friend and try again.

Feedback, we will check and deal with it as soon as possible.

Tool Raw material: Xiaomi Mimix2 mobile phone.

1. First of all, click on the dual SIM code clearing code and mobile network in the settings interface of Xiaomi mobile phone.

2. Then click on a carrier with a poor signal.

3. Then click Select Carrier.

4. Then click to turn on the automatic network selection switch.

5. Then click or click on the network type selection.

6. Finally, click on 4G network priority to be a model.

If you encounter a poor mobile phone signal or no service, it is recommended that you:

Please select the network type settings according to the carrier.

Change the environment to eliminate indoor and internal interference.

Check whether there is a poor signal on the mobile phones on the same carrier's network around you, and determine whether it is a problem with the carrier's signal.

At present, many metal protective cases will also shield the mobile phone signal and affect the mobile phone signal. If you are using a metal case, it is recommended that you remove the case and look at the signal.

Upgrade to the latest version of the MIUI system.

Back up your phone data and restore it to factory settings.

If the above operation is invalid, it is recommended that you conduct after-sales testing.

Tool Raw material: Xiaomi Mimix2 mobile phone.

1. First, click on Dual SIM and Mobile Network in the settings interface of your Xiaomi phone.

2. Then click on a carrier with a poor signal.

3. Then click Select Carrier.

4. Then click to turn on the automatic network selection switch.

5. Then click on the network type selection.

6. Finally, click on 4G network priority.

Then you probably have a problem with your network. First of all, see if you restart the system to see if it is a problem with your mobile phone, and then see if your network is normal to access the web page or something, and see if the speed is fast.

Hi! Xiaomi mobile phone shows no service, it is recommended that you check it according to the following methods:

Whether the SIM card is inserted correctly.

Whether the wrong SIM card is inserted, such as the standard version inserts the telecom SIM card, etc.

Go to Hardware Detection to see if the SIM card is working properly (enter * * on the dial screen). If the SIM status is normal, go to step 5, or if the status is unknown, go to step 4.

Try to replace a different SIM card, if the status is still unknown during hardware testing, it is recommended to go to the repair point for testing; If the detection status is normal, it is recommended to go to the carrier to replace a SIM card (the SIM card may be aging).

Whether the network type is correct and whether the carrier selects Automatic. (China Unicom selects 3G priority, mobile selects only 2G, and China Telecom selects automatic).

If the network type of the non-telecom mobile phone is CDMA automatic, you need to change the network type to "WCDMA Preferred" in the mobile phone information (**) to solve the problem.

Whether there is no signal in the area. You need to check whether other mobile phones on the same network have signals.

Back up your data, flash to the latest system version and try again.

If the above methods still do not help you solve the problem, please go to your nearest repair center for repair and inspection.

Address and ** inquiry.

A more detailed description of the problem will help netizens understand the troubles you are encountering and help you solve the problem more accurately. Thank you for supporting Xiaomi phones!

Hello, I'm glad for your problem, Xiaomi mobile phone reception signal is too poor, not necessarily the reason for the phone itself, it is generally a problem of the local operator, such as when the operator is in the upgrade, optimization, maintenance, etc., the mobile phone signal will become very poor, at this time the user only needs to wait for the operator to upgrade, maintenance can be. If the phone voltage is too low, the SIM card is not compatible, and there is a problem with the signal receiver, the phone needs to be repaired.

Go to after-sales, domestic mobile phones are guaranteed for one year free of charge, and go to after-sales to solve them.

If it's not a problem with the communications company, go to after-sales.