How to solve the problem of no service on the iPhone, how to solve the problem of no service on the

The phone does not recognize the SIM card and shows no service processing method:

1. Please confirm whether the SIM card type is correct according to the mobile phone model. An incorrect SIM card can damage the card tray and card slot or even fail to be removed;

2. Please make sure to use a standard SIM card. Do not use a non-standard SIM card or cut the card by yourself, cutting the card can easily cause the SIM card to be unable to recognize or damage the mobile phone, it is recommended to go to the business hall to change the original standard SIM card;

3. Please confirm whether the card is placed correctly. Whether the notch of the SIM card corresponds to the card slot;

4. Please confirm whether the surface of the SIM card is dirty. If the SIM card has been used for a long time, you can wipe the surface of the chip with alcohol, or go to the business office to replace the original standard SIM card. If the SIM card is used for a long time, the metal surface is easy to be oxidized, which is easy to cause probabilistic card recognition;

5. Do not plug or unplug the SIM card when the device is turned on. After inserting the SIM card, please restart your phone and try;

6. If the problem still exists, please back up the data in advance and bring the purchase invoice to the after-sales service point for maintenance.

Apple phone not powering up may be due to the following reasons:

1. If the charging cable is damaged, use other charging cables to charge, if it can be charged, then it means that the original charging cable has been damaged, and you can replace it with another one.

2. If the system of the mobile phone is faulty, press and hold the power button and the home button at the same time, press until the Apple logo appears on the interface of the mobile phone, and then force restart ipone.

3. If there is a foreign object in the charging port or charging cable, use a cotton swab or other things to wipe the charging port and charging cable.

If none of the above methods can be solved, then there may be a problem with the phone, and you can choose to send it to the after-sales repair for repair, or you can choose to send it to a store specializing in repairing the mobile phone for repair. There are many reasons why the phone won't turn on, and there are usually three situations, the phone is out of battery, over-flashed, or the battery is damaged. If the phone can't be turned on because the battery is too low, just charge, because of excessive flashing and can't turn on, just ** a matching mobile phone rom bag, battery damage caused by the phone can't turn on the battery can be replaced.

What should I do if my phone doesn't turn on?

The battery is too low to turn on.

1. After the mobile phone is used to a serious insufficiency, resulting in the automatic shutdown of the mobile phone, many times just plugged in the charger, it still cannot be turned on normally. The reason is that the smartphone can only be turned on when the battery is greater than 5%, for example, and when the battery is too low to meet this requirement, it will naturally not turn on.

2. All we can do is wait for the phone to charge for 5 more minutes and then try again.

The machine cannot be turned on due to excessive flashing.

1. Flashing is equivalent to changing the system of the mobile phone, and the user experience of the mobile phone can be improved by brushing some new systems, but sometimes because of some mismatched ROM packages, it is likely to cause the mobile phone to fail to turn on, and it has been in the boot interface.

2. In view of the inability to turn on the phone caused by this situation, we can only ** a matching mobile phone ROM package in the mobile phone SD card, and then enter the recovery mode of the mobile phone, and flash the phone again to solve the problem.

The battery is damaged and the machine cannot be turned on.

1. The mobile phone battery is a consumable product, and when the mobile phone is used for a long time, the battery will be damaged or defective prematurely.

2. You can connect the mobile phone to the charger, see if the mobile phone will show charging and see if the power percentage will increase, to simply judge how the battery is, if the battery is damaged, it is recommended to replace a new battery.

In general, the mobile phone can not be turned on because the battery is too low, just charge, because of excessive flashing can not be turned on, just a matching mobile phone ROM package, the battery damage causes the mobile phone to not turn on, then replace the battery.

How to solve the problem of no service on the iPhone, hello dear, I am happy to answer for you, according to your question, the answer to you will find the query method 1: turn on the airplane mode and then turn it off, open [Settings] in the mobile phone; Then turn on the button to the right of the [Airplane Mode] option, wait a few seconds, and then turn it off. Method 2:

By resetting the network settings, first click the [General] option in the [Settings] of the phone; Then on the [General] interface, find [Restore] and click the [Reset Network Settings] option; Then enter the mobile phone password to restore the network. Method 3: Turn off your phone and restart it. Method 4:

Check whether the SIM card is damaged or replace the SIM card, take out the SIM card, check whether it is damaged or worn, or find another SIM card to insert into the mobile phone to try to solve the problem; Method 5: Imitate the photograph to Apple's after-sales inspection and maintenance.

Hello dear! Traveler 1Check whether the "Airplane Mode" is turned on in the iPhone [Settings], or swipe up to open the Control Center, if the Airplane mode is turned on, the signal bar will prompt "Searching...." to indicate that a mobile network signal is being searched.

Close it and see if you can find the signal service! 2.Restart the phoneIf you still can't solve the problem by using airplane mode, you can try to restart the phone to solve the problem, press and hold the power button on the top or right side of the Apple phone, slide to power off, wait for a while, and then press the power source button to turn it on.

3.Plugging and unplugging the mobile phone card to turn on the machine or not to dismantle the mountain? It may be that there is a problem with the **card.

After removing the card, put it back in the same way and see if your iPhone can find a signal. 4.Detect whether the SIM card slot is damaged, and check whether the SIM card insertion area is visibly damaged or scratched.

If so, it can only be replaced. SIM used for a long time or often unplug the SIM card will cause poor contact between the card and the mobile phone, at this time you need to check the SIM and ** electrodes, if not clean, you can use an anti-static cloth to clean it. 5.

Reset your iPhone's network settings, tap Settings, and go to General. In the open interface, you will see that there is "Restore", click on it to enter. Then find the "Reset Network Settings" option and tap on it.

Then click "Reset Network Settings" and finally restart your phone.

Hello dear, happy to answer for you. The solutions to the iPhone no service are as follows; Method 1: Turn on airplane mode, then turn it off, and open [Settings] on your phone; Then turn on the button to the right of the [Airplane Mode] option, wait a few seconds, and then turn it off.

Method 2: By resetting the network settings, first click the [General] spine ballast option in the [Settings] of the mobile phone; Then on the [General] interface, find [Restore], click [Reset Network Settings] to select the travel finch item; Then enter the phone password to restore the network. Way Three:

Turn off your phone and restart it; Method 4: Check whether the SIM card is damaged or replace the SIM card, take out the SIM card, check whether it is damaged or worn, or find another SIM card to insert into the mobile phone to try to solve the problem; Method 5: Go to Apple after-sales inspection and maintenance.

Reboot. When the phone is stuck, black screen and other operations, we will think of restarting the phone, of course, when it keeps showing no service, we can also try to restart the phone. It is possible that there is an error in the system, which should be 10,000.

Check whether the phone is in airplane mode, if it is a hand that mistakenly turns on the airplane mode, open the Apple phone settings, turn off the airplane mode, wait for a while, and there will be a new signal of heavy objects. Check whether the SIM card is not plugged in, Kaifu will pull out the SIM card, reinsert it, if this problem is caused, observe the cover Sun Xun for a while, the iPhone mobile phone signal back to normal.