What to do with the US version of Apple 4S upgrade ios7 without service 100

1. If it is the reason for its own settings, it is recommended to restore the network to tell Lao Nian to set it.

2. If it is a problem with the sale of merchants, it is recommended to call**operator customer service**: China Unicom 10010, China Mobile 10086 Telecom's customer service** are 10000, feedback, and ask the relevant departments to verify whether it is a local network problem, and go to the business hall to test the SIM card.

3. If the reason of the operator is ruled out, then it is a problem with the mobile phone, and it is recommended to contact the iPhone after-sales service in time to negotiate a solution or repair.

What to do if there is no service for Apple 7 upgradeLet's take a look at how to solve the problem of Apple's 7 upgrade without service.

Apple 7 upgrade no service, it may be that there is a problem with the system, you can restart the phone to try.

Check for carrier settings updates in About Phone Settings, and try to update them if they do.

You can also try removing the SIM card and reinstalling it, or resetting your cellular settings.

If it doesn't work, it is recommended to bring your mobile phone to an officially authorized repair point for testing and repair.

The above is the content of the Gaoli Apple 7 upgrade without service,I hope it will help you。

Step Method.

1The first step is to open it first"Settings"Check it out"Carriers"Whether the option is automatic or not.

2If, the first step is normal, and there is still no service at this time, Zao Xiao can turn off the mobile phone and reopen the Lu key draft. If there is still no service after restarting, you have to consider whether the signal is weak in your place, you can walk around and see if you can search the network.

3. The above methods have been tried, but if it still doesn't work, it is recommended to take it to the place where you bought the mobile phone to check.

How can I solve the problem of the blind world.

The U.S. version of iPhone6 without service generally means that the phone is not activated successfully and needs to be reactivated, which can be activated by following the steps below:

1. Turn on the machine without inserting the card, and wait for the machine to enter the state to be activated.

2. Press the home button to bring up the emergency call interface, enter 112, and click to call.

3. Put the thumbs of both hands at the end of the screen to end the call button on standby, and when the mobile phone is connected to 112 and there is a voice prompt, the thumb of the right hand clicks on the right side of the end call button, and then the left thumb quickly follows the left side of the end call button, and then the right hand continues to click, the left hand continues to click, and the two hands click alternately, and the screen will appear:

a, call-end-call-end--call failed, wait for more than 3 seconds, click cancel --- enter the desktop.

b, call-end-call-end--black screen but the call is through--wait for more than 3 seconds, click the home button--exit black screen--call hold-enter the desktop.

c, call-end-call-end--black screen but the call is on--wait for more than 3 seconds, click the home button is invalid--press and hold the power button--pop up the shutdown button--click cancel-exit the black screen--call hold-enter the desktop.

Update the system version to see if it works.

See if it's a software or hardware issue? The software will be flashed and tried, and the hardware will have to be repaired.

Start by turning off the 4G network and turn off the cellular network temporarily.

If the above methods still have no effect, it is recommended to send it to a professional and a maintenance center for processing.

Connect your Apple phone with the computer with a data cable, press and hold the home button and the power button at the same time for 10 seconds, then release the power button, and continue to press and hold the home button for 5 seconds to turn it on.

If you see the connection to iTunes, it is a failure and you have to start again.

If the screen does not light up after these 2 steps, it will enter DFU mode, and then you can use iTunes or other flashing software to restore or re-flash the computer.

You can also try to connect to the computer and use the "Restart" function in the PP assistant.

If you can't turn on the phone after trying step 1, it is recommended to send it to Apple after-sales service for repair.

iOS will have such a problem, but Apple has stopped the update, and it should not have such a problem directly to the present.

In the early hours of this morning, Apple pushed iOS, but this turned out to be the shortest-lived update in history, and soon Apple revoked iOS from the official website and OTA. Although Apple's revocation was timely, it also suffered a lot of users who updated it for the first time. Because after the iOS update, many users' iPhones are "no service", and Touch ID cannot be used.

That's it.

See if you have a locked version, as well as an upgrade error, if the dead upgrade error takes so long to recover and then upgrade from a new one.

1. Signal or ** operator problems.

1. Sometimes when the signal is not good, such a problem will be encountered, and the call will fail and need to be redialed. This situation is generally caused by the current poor signal, and it is enough to dial again from another place.

2. Shut down. 1. If it is not a problem with the signal, you can try to turn off the computer first and then turn it on. You can do this by long-pressing the power button of your iPhone, and when the power off option appears, slide it to power off.

3. Insert the ** card.

1. If shutting down does not solve the problem, you can try it by reinserting the mobile phone card. You can use the needle or other similar object that comes with your iPhone to pick up the card.

2. Then there is a small hole on the right side of the iPhone that is specially used to take the card, and the ** card can be ejected with the card pickup needle. After taking it out, clean the **card, and then put it back in its original position, and finally try again to see if you can still dial**.

4. Reset network settings.

1. If you still can't solve the problem after trying the above methods, you can try to restore the network settings of your iPhone. In the settings list, please click the "General" column, 2. At the bottom of the general list, find the "Restore" column and click to enter.

3. Then click the "Reset Network Settings" option in the restore list, 4. Then click the "Reset Network Settings" button that pops up at the bottom to confirm the restoration. After waiting for the system to be restored, see if you can dial ** normally.

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1. Buy a new card: The card needs to be used with the system, if it is originally an ios7 system, then the card given by the seller will also be an ios7 card, after upgrading to ios8, you need to buy the card by yourself and reload it before you can use it.

2. The card is the unlocking tool used by the mobile phone when the software cannot be unlocked. Enables the phone to be used to receive and receive calls from a card other than the SIM card specified by the carrier**. For example, some Japanese mobile phones cannot be unlocked, and they cannot use China Mobile or Unicom cards when they return to China, so they need to use card stickers.

3. There is a small chip on the card, which records all kinds of information, the size of the card and the size of the SIM card are the same, very thin, the card and the SIM card to be used are overlapped together, put it in the mobile phone, and you can use it.

There should be a lock card sticker. You're going to buy the current version of the sticker.

At present, there are only 2 solutions, 1: Take advantage of the fact that the Apple official has not closed the verification channel of the system and quickly descend back 2: Wait for the card of ios8 to come out and release the network lock or soft and hard solution through the card! PS: Soft or hard decoding, please contact**!

Can be patched.

Is it smooth after 4s upgrade to 8?