Apple 5 Telecom Plug in 228 will have a signal without service for a while

1, it may be that the place of the SIM card of the mobile phone card is loose, take the card off and reinstall it to try it.

2. It may be that the mobile phone card is over-oxidized, and you can try it with an eraser.

3. It is possible to choose the wrong mobile operator in the preferred service of the software, the mobile is selected as China Unicom, and the China Unicom is selected as mobile.

4. The problem of mobile phone signal, the mobile phone automatically detects the signal of the network, if the mobile phone can not receive the network signal, it prompts no service, at this time, whether it is to answer, call, or receive SMS is not possible. When a signal is detected, it automatically returns to normal.

Hello! Hopefully, the following will be helpful to you.

Telecom version of non-jailbreak iphone4s after the basement or into the elevator shows "no service", can not automatically restore the mobile phone signal, can only restart the phone, at present, there are a lot of telecom's 4G mobile phones, Huawei, Coolpad, ZTE, Samsung, etc.!

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General reasons and solutions for iPhone plugging in a telecom card showing no service:

1. If there is a problem with the card cutting method, the correct way to cut the card is to put the metal side down into the card cutter. Note: After the card is cut, it is right to keep the metal piece.

2, after the iPhone insertion card is restarted, the SIM still cannot be displayed, at this time it may be that the iPhone mobile phone card is not supported, and there are many models of the current iPhone5 that do not support mobile 4G and all telecom cards.

3. If the iPhone phone still can't recognize the SIM card after the above steps, it is the quality problem of the iPhone itself, and it is recommended to contact the after-sales service.

4. If the iPhone phone is inserted into the card, the phone is not restarted, sometimes the SIM can not be displayed, you need to restart the iPhone, remember the boot state to insert the card, you have to restart the phone.

5, after the above methods, if the card still can not be displayed, it may be the iphone mobile phone card for the old card, 08 years ago card, some are not supported by the iphone, now all you need to do is to go to telecommunications, mobile or Unicom business hall to change the new card.

Just ask about the business.

Different places, different specific situations, different specific situations, only the local business hall can give the real one.

The method is as follows: call the customer service of the three telecommunications companies, Unicom, Mobile, Telecom, and then manual service, ask for the number of the local business hall, and then call the business hall to ask.

Before you go, remember, thank you!

If there is no service and no signal because the mobile phone signal is not good, it is recommended to check what causes it and then solve it according to the following methods:

1. Check whether the mobile phone card slot or SIM card is damaged: you can insert other mobile phone cards to try, and then put the SIM card of the mobile phone itself on other mobile phones to see if there is a signal, if the card slot is damaged, it is recommended to replace the card slot, if the SIM card is damaged, please go to the business hall to replace the SIM card.

2. There is no signal on the mobile phone caused by network delay: you can turn on the airplane mode of the mobile phone, turn it off after five seconds, or restart the mobile phone.

3. If the signal in the place is not good, the signal cannot be found, so you can search in another place.