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Apple's release of the iOS update package seems to have been a bit rushed, and many iPhone 6 users have suffered from no signal and Touch ID failure. Apple immediately revoked the upgrade and advised users to revert to the previous version. Apple has released an iOS update package that contains patches that fix no signal, Touch ID malfunctioning, and other patches in the iOS update package.
Possible solutions:
Make sure that you have backed up the data on your device and that it is fully charged. Select Settings > General > Software Update and click Download and Install; Users can also complete the software upgrade through iTunes by connecting their iPhone 6 to their computer. Users can select iPhone 6 in iTunes and click "Check for Update".
If you still have problems upgrading to iOS, you can restore the system to iOS 8. Users may need a correct IPSW file. Connect your iPhone 6 to your computer and back up your data in iTunes.
On Windows PC, users need to hold down the Shift key, click on the "Restore" option, and select the IPSW file; On Mac computers, users need to hold down the Alt key, click on the "Restore" option, and select the IPSW file. Hope!
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It has nothing to do with the phone...It should be a card problem.
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The reasons are: poor surrounding network, network setting problems, SIM card problems, system software problems, and mobile phone hardware problems.
1. The surrounding network is poor.
The network of the surrounding environment is relatively poor, which will lead to the signal being in a state of no service, which will lead to no signal and no service on the Apple mobile phone, and changing a place with a good network can solve the problem.
2. Network setting problems.
After the iPhone has been used for a long time, the phone will suddenly have no signal and cannot connect to the network due to some reasons of the system itself, you can solve the problem of no service by restoring the network settings and restoring to the default factory settings, or by restarting the phone.
3. SIM card problem.
A problem with the SIM card of the mobile phone will also cause the mobile phone to be unable to connect to the network. You can take out the SIM card, check whether it is damaged or worn, or find another SIM card to insert into the Apple mobile phone to try to solve the problem, but if it still can't be solved, you can deny the reason for the SIM card.
4. System software questions are noisily answered.
Due to the existence of some vulnerabilities in the iOS system of Apple mobile phones, these vulnerabilities sometimes cause the mobile phone to be unable to search the network and display no service status, you can update the system of your mobile phone to the latest version to solve this problem.
5. Mobile phone hardware problems.
If the above methods do not solve this problem, there is a high probability that there is a problem with the hardware of the mobile phone, and you need to go to Apple after-sales service to request processing.
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1: Toggle the airplane mode on/off.
When we use the iPhone in our daily life, we will occasionally find that the mobile phone signal is unstable, sometimes there is no signal, sometimes it is full and sometimes there is only one grid. Turn on the Imperial Airplane mode first, wait for about five seconds, and then turn off the airplane mode, and you will find that the signal of your iPhone has "flown back"!
2: Manually select the operator of the song band.
Generally speaking, the iPhone will automatically match after inserting the mobile phone SIM card and access the corresponding operator network, but many netizens find that there is a bad mobile phone signal or no service, and they can manually select the operator network. Enter the carrier option in the settings, turn off the "automatic" function, wait for a while and the network operator will be optional, users only need to select the corresponding operator according to their mobile phone card.
3: Reset network settings.
After trying the above two methods, the mobile phone signal is still very poor, and users can also try the method of resetting the network settings. How-to: Settings - General - Restore - Restore Network Settings.
4: Re-flash.
There are many netizens who report that after upgrading, there is often no service or the signal is full of call failure, if the above methods can not solve this kind of signal problem, it can be improved by upgrading the system. Connect your iPhone to the computer and run iTunes, press Shift while clicking "Update and Restore iPhone", select the best firmware, and then you can start flashing. It should also be reminded that there is currently no jailbreak, and users who want to jailbreak can hurry up and upgrade before the verification channel is closed, and don't forget to back up before flashing the jailbreak.
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1. If there is no signal or the signal is poor when the mobile phone is inserted into the Unicom card, it may be due to other objective conditions. Because the signal will be affected by various factors such as topography, landform, and tall buildings during propagation, if you are in a relatively closed place, the signal will be affected. Here's how to deal with it:
Turn the phone back on and off and try again;
Swap the SIM card to a family member's or friend's phone and try again;
Check whether the signals of other Unicom users around you are normal.
2. If it still cannot be used normally after self-service troubleshooting, it is recommended that you contact the local manual customer service for verification and processing.
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Hello, Unicom card or mobile card, to use a mobile card to pay off the poor signal, or in the urban area, either Apple6 common problem, or your mobile phone has a problem.
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Hello, the main reason is that the 4G signal is not very stable, resulting in dissatisfied signal grids.
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Switch on and off the flight mode, sometimes the signal diving will be unstable in the cross-base station position, you can try to switch on the flight mode, first turn on the flight mode for 5 seconds and then turn it off, and then see if the signal increases.
Manually select the operator, the iPhone will automatically connect to the corresponding network according to the card, but the iPhone sometimes has a convulsion, if the signal is very poor, you can manually select the network to try, go to Settings, Carrier, turn off the automatic, etc.
Reset the network, if you try the above two methods, the signal is still very poor, it may be your network setting problem, you can try to reset the network, see if the signal improves, go to Settings, General, Restore, Reset Network Settings.
If none of the above methods can solve the signal problem, it may be a system or hardware problem, you can try to make a complete backup of your phone with iTunes first, and then restore it.
If it still doesn't work, you can only go to the after-sales inspection to replace the machine.
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I bought the mainland licensed goods I bought on October 17, and the mobile card I used was not stable at all.
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Me too, what do you do?
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After the system update, you will need to reset the network settings.
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Unicom card or mobile card, to use a mobile card to pay off the poor signal, or in the urban area, either Apple 6 common problem, or you have a problem with your mobile phone.
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I bought it today, and the problem with this signal arises! After reading everyone's suggestions, I changed the 3G network. The signal is a little better! 2-3 bars at 4G. 3g3-4 grids! Do you still need to change your phone?
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