There is no service after iPhone5 is upgraded to iOS10

1. First of all, confirm whether your mobile phone is in the receiving range of the signal, go to an open place with a good signal, and check whether the mobile phone has recovered the signal.

2. Confirm that the surrounding signal is better, but the iPhone still has no signal, you can open the control center, turn on and off the airplane mode many times, and finally turn off the airplane mode to see if it is solved.

3. If turning on and off airplane mode has no effect, you can turn off your iphone and restart it, how to turn it off, press and hold the lock screen button on the right side, and press and hold the lock screen button when you turn it on.

4. If you restart it, it can't be solved, you can open the SIM card slot, replace the SIM card, and see if it is no service caused by poor contact. You can also try to change someone else's SIM card to see if it's the card or the phone.

5. If it is a problem with the mobile phone, you can update the system first, there may be a system reason if it is still not solved, you can only find a sales solution.

I'll tell you, the downstairs don't know how to pretend to understand, and deceive you with professional terms, they haven't played Apple and definitely don't know that there is a cat

Take out the card. Put it back.

There is a lock to unfasten.

Seeing that there is no service, shake the phone at this time, turn the phone sideways, to the left, so that the SIM card slides to the depths, then there is a signal, if there is no signal, the phone is horizontal, gently tap the left side of the screen, ** a moment, there is a signal.

Don't ask me how I know, because I've had the same experience as you ...

Reboot, it's a vulnerability, it's coming out of patch.

You can re-modify it by clicking "Carrier" on the "Settings" interface in your phone and changing it to "Automatic".

2.Turn airplane mode on and off. In iPhone6s, swipe up at the bottom of the screen to open the shortcut panel, and then turn on airplane mode, of course, you can also turn on airplane mode in Settings, after turning it on, wait for 5 seconds and then turn off airplane mode to see if it solves the problem.

3.Restart your iPhone6s, press the power off button in your phone, then turn off your iPhone6s by swiping the screen, then restart your phone and see if you fix "No Service"!

4.Of course, removing the SIM card and verifying if it is a valid SIM card manufactured by the carrier can also solve this problem. See if the removed SIM card has been damaged, worn, or modified, and then reinsert it.

5.Update your iPhone6s, connect your iPhone6s to iTunes, and then upgrade your device system to the latest iOS system through iTunes. Of course, you can also go to "Settings" - "General" - "Software Update" to update and upgrade your iPhone6S.

After the above operations, it is still often displayed that there is no service, and it is recommended to go to the after-sales inspection and maintenance.

The reason for the problem:

The network of the surrounding environment is relatively poor, which will lead to the signal being in a non-service state;

Some reasons of the system itself, resulting in the mobile phone cannot be connected to the network;

Problems with the SIM card of the mobile phone;

Solution: Turn on airplane mode and then turn off airplane mode, and the system will search for network signals again. Open [Settings] in your phone, then turn on the button to the right of the [Airplane Mode] option, wait a few seconds and then turn it off;

Fix the no-service issue by resetting the network settings, reverting to the default factory settings, or by restarting the phone;

You can update the system from your phone's [Settings] - [General] - [Software Update], or connect your computer to iTunes.

Did you break from jailbreak before, and if you did, you could come back.