What should I do if there is no signal after the phone restarts

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 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.

Whether it is activated or not: Settings - SIM Manager - SIM1 SIM2 - Tap the SIM card icon - Slide to open (different models of mobile phones may operate slightly differently).

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.

The phone suddenly has no signal, and it is useless to turn it off and restart.

Hello dear<>

<> phone suddenly has no signal, and it is useless to turn off and restart it is due to the following reasons:1Poor coverage of mobile phone signal:

In places with poor signal coverage, the phone may lose signal. You can try to go to a place with a wider signal coverage and see if there is a signal. 2.

SIM card failure: The SIM card may malfunction, causing the phone to lose signal. You can try taking the SIM card out, reinserting it into your phone, or replacing it with a different SIM card.

3.Network failure: A network failure can also cause the phone to lose its signal.

You can try turning off your phone's airplane mode and then turning it back on, or switch network carriers to see if there's a signal. 4.Software Issues:

The software on your phone may cause signal issues. You can try clearing the cache on your phone or doing a factory reset to see if the signal is restored. If none of the above methods can solve the problem, it is recommended to contact the customer service of the mobile phone manufacturer or operator for consultation and handling.

My mobile phone often has no signal suddenly, and the signal is poor in some places, so you can wait if you are not in a hurry, I will turn it off first, and wait for a few seconds to restart it.

What should I do if my phone has no signal?

I have helped you find the results; No signal after restarting the phone: Hello, there are many possible reasons why there is no signal after restarting the phone, here is a list of some common possibilities: The phone cannot connect to the carrier network:

It could be that the carrier's network is down or the cell phone signal reception is poor (e.g., weak signal, low coverage, etc.). You can try to go to the network settings and search for the network again, or go to an open place to try to get a better signal. SIM card malfunctioning:

If the SIM card is unable to get signal or the SIM card is not detected properly, it may result in no signal from the phone. You can try to reseat the SIM card, clean it, or replace it with a new SIM card. Software glitches:

When you restart your phone, both the app and the system should restart. If an application fails or causes a conflict, it can affect the carrier signal. You can try booting your phone in safe mode, or try upgrading or refreshing the software.

Lock screen: Sometimes, your phone's screen will be locked when you restart and you'll need to enter a passcode to unlock it. This may prevent your phone from connecting to your carrier's network.

You can try unlocking your phone again.