The mobile phone can t receive a signal, how can the mobile phone not receive text messages without

The reason why the mobile phone cannot receive the signal or the signal is poor is because the signal will be affected by various factors such as terrain, landform, and tall buildings during the propagation process, and if you are in a relatively closed place, the signal will be affected. You can restart your phone, or change the SIM card to a family friend's phone to try again, and see if the signal of other connected users around you is working. If your signal problem cannot be solved, please contact the local customer service for consultation.

If there is no signal on your phone or an emergency call prompt is displayed on the screen, it is recommended:

2.If it is a dual-SIM phone, please check whether the SIM card is activated: Settings - SIM Manager - SIM1 SIM2 - Click the SIM card icon - slide to turn on (the operation mode may be slightly different for different models of mobile phones).

3.If there is still no signal, it is recommended to turn off the SIM card and remove it, wipe the SIM card chip with an eraser, and then reinstall it.

4.If it doesn't work, try to change to another location to rule out whether it is caused by poor signal coverage in your location.

5.Try to change the network mode to 3G or 2G (do not select the auto-connect mode). Note: Some machines do not support changing the network mode.

6.Try to change another SIM card.

7.Update your phone's system version: Settings - About Phone (About Device) - Manual Update Automatic Update (Software Update System Update - Update). Note: Please back up the data (contacts, messages, **, etc.) in your device before upgrading.

If there is still no signal or emergency call is displayed after the above operations, please bring the purchase receipt, warranty card and device to the Samsung service center for inspection.

During the period when the mobile phone is not in service, the message sent by the other party can be received as long as the signal returns to normal within 48 hours.

When the mobile phone has no service, no signal or is turned off, but the mobile phone collapse must be in a non-arrears state, the last received SMS will be automatically saved by default for 48 hours, and when it exceeds 48 hours, the SMS will not be received, and the mobile phone will automatically receive it when there is a signal or turn it on, and there may be a delay in sending it if the network is busy and other reasons.

The reason why the mobile phone cannot receive the message may be as follows:

1. The mobile phone is in arrears;

2. The signal of the position is poor;

3. SMS center number setting;

4. The mobile phone storage slip Qingxun is full.

You can experiment with the following methods:

1. Check whether the signal grid of the mobile phone is empty;

2. Change the mobile phone card to another mobile phone to see if you can receive it;

3. Contact the operator's customer service to confirm whether the SMS service number is correct.