What should I do if Xiaomi Note has no signal and no service

If your SIM card cannot be used, you can confirm the following:

whether the card is in insufficient contact with the metal contacts of the mobile phone;

whether the card is damaged;

3.Whether the location is a dead zone or a sudden lack of signal.

The phone does not recognize the SIM card and shows no service processing method:

1. Please confirm whether the SIM card type is correct according to the mobile phone model. An incorrect SIM card can damage the card tray and card slot or even fail to be removed;

2. Please make sure to use a standard SIM card. Do not use a non-standard SIM card or cut the card by yourself, cutting the card can easily cause the SIM card to be unable to recognize or damage the mobile phone, it is recommended to go to the business hall to change the original standard SIM card;

3. Please confirm whether the card is placed correctly. Whether the notch of the SIM card corresponds to the card slot;

4. Please confirm whether the surface of the SIM card is dirty. If the SIM card has been used for a long time, you can wipe the surface of the chip with alcohol, or go to the business office to replace the original standard SIM card. If the SIM card is used for a long time, the metal surface is easy to be oxidized, which is easy to cause probabilistic card recognition;

5. Do not plug or unplug the SIM card when the device is turned on. After inserting the SIM card, please restart your phone and try;

6. If the problem still exists, please back up the data in advance and bring the purchase invoice to the after-sales service point for maintenance.

It should be caused by the instability of your network environment, it is recommended that you use your mobile phone in a place with a good network environment. You can also check with your network operator to improve your network.

The phone reads the SIM card normally.

You follow my operation to go in and take a look, dial and type **Click on the mobile phone information 1, and see if there is an option to turn on the wireless copper cable?

I'm normal for this now, the display is to turn off wireless communication, and if I click on it, the phone will be out of service.

Xiaomi mobile phones often have no signal and frequently appear in the "no service" state, which is caused by the failure of the mobile network of Xiaomi mobile phones, or problems with the SIM card of mobile phones, you can try the following methods to solve the problem:

1. Turn off the Mi phone and then restart it, wait for the phone to turn on and check whether the mobile phone signal status is normal.

2. Check whether the SIM card of the mobile phone is damaged, if it is damaged, you need to go to the mobile business hall to replace the SIM card in time.

3. Upgrade the Xiaomi phone to the new operating system, and wait for the completion to see if the signal is restored.

1. Take Xiaomi Mi 6 as an example, unlock the phone screen, find the "Settings" option in the standby interface, and click to enter the next step.

2. On the settings page, find the "My Device" option and click to enter the next step. Molder.

3. On the My Device interface, find the "MIUI Version" option and click to enter the next step.

4. On this page, find the "Settings" option in the upper right corner and click to enter the next step.

<>4. If the above methods cannot solve the problem, you can bring the imitation code Kai with the invoice and warranty backup card to Xiaomi's official after-sales maintenance center for testing and maintenance.

Force the phone to shut down, reinstall the phone card and try it.

During the use of Xiaomi mobile phones, there is sometimes no signal or no service, which may be due to the following reasons.

Signal coverage issues.

The signal coverage of Xiaomi phones may be affected by factors such as geographical location, weather, and buildings, resulting in weak or no signal. At this point, try moving to an open area or a higher place, or wait for the weather to get better coverage for better coverage.

SIM card failure.

If there is no service on the Xiaomi phone, it may be due to a SIM card failure. At this point, you can try to reseat the SIM card or replace it with a new SIM card to solve the no-service issue.

Problems with mobile phone software.

There may be a problem with the software of the Xiaomi phone, which prevents the signal from being able to get it properly. At this time, you can try to restart your phone or clear your phone's cache to solve the problem of no signal caused by software problems.

Problems with your phone's hardware.

If the Xiaomi phone cannot get the signal for a long time, it may be caused by the hardware problem of the mobile phone. At this time, you can try to go to a professional mobile phone repair shop for maintenance to solve the problem of no signal caused by hardware problems.

There is no signal or no service on Xiaomi mobile phones, which may be caused by a variety of reasons. We need to do a case-by-case troubleshooting to find a solution to the problem.

1. Select the network type, change the 3G network priority to only Changling using the 2G network and then exit.

2. Exit to the main interface, and the signal will return to normal without accidents, and then you can set back to 3G network priority.

3. If it can't be solved, you have to consider checking the SIM card or the problem that the local signal is really poor.