Why can t I use my Huawei phone after installing a SIM card?

If an X icon appears in the status bar above your phone, it means your SIM card.

Identified but no signal.

If the SIM card icon is not recognized in the status bar above your phone, or only one signal icon is displayed when you insert two SIM cards, it means that your SIM card cannot be recognized

1.Please restart your phone and try.

It is recommended that you restart your phone and let your phone re-read the "SIM card" before trying.

2.Please observe whether the SIM card looks good or not.

1) Observe whether the metal surface of the SIM card is dirty, clean the dirt on the surface of the SIM card, and avoid poor contact that causes the SIM card to be unrecognized.

2) If you are cutting your own SIM card, it is likely that the SIM card cannot be recognized due to the non-standard shape of the SIM card and loose installation in the card tray, resulting in poor contact. It is recommended that you bring your ID card.

Go to the nearest operator's office to change the standard SIM card for use.

3.Please cross-validate.

If your SIM card cannot be recognized when installed on other normal mobile phones, or if other normal SIM cards installed on your mobile phone can be recognized normally, it is likely that your SIM card is faulty, and it is recommended that you bring your ID card to the nearest operator's business office to replace the standard SIM card.

If the problem persists after attempting the above methods, we recommend that you back up your data in advance (third-party applications such as QQ and WeChat must be backed up separately) and bring the relevant purchase voucher to a Huawei customer service center near you.

Why can't I use my Huawei phone after installing a SIM card? Solution:

1. Please make sure to use a standard nano-SIM card. Do not use a non-standard SIM card or cut the card yourself, as cutting the card can easily cause the SIM card to not be recognized or damage the phone. It is recommended that you go to the branch office to change your standard SIM card.

3. Please confirm whether the surface of the SIM card is dirty. If so, wipe the surface of the chip with alcohol, or go to the business office to replace it with a new standard SIM card. When the SIM card is used for a long time, the metal surface is easy to be oxidized and it is easy to cause probabilistic card misrecognition, it is recommended that you go to the business office to replace the standard SIM card with a new one.

4. Do not plug or unplug the SIM card when the phone is turned on. If you insert the SIM card while it's on, restart your phone.

If the preceding methods do not resolve your issue, we recommend that you back up your data and go to a Huawei Customer Service Center near you for troubleshooting.

If you don't recognize the change card or reinstall the card, if it can be recognized but cannot be used, it may be a problem with the motherboard of the mobile phone and needs to be overhauled by professionals.

Card 1 and Card 2 support different formats, you refer to the logo film in the battery compartment to check whether the SIM card is inserted into the correct card slot. The phone does not support non-standard SIM cards. If the standard SIM card is also not recognized, please check whether it is turned on.

Is it a bad contact caused by clipping? Do you change a mobile phone card, give it a try, and see if it is the problem with the phone or the card? If it's a problem with the mobile phone, then I don't have to say, it's a problem with the card, and you can go to get a new card.

If you can't use it, it may be that your mobile phone card is out of order, and I also know that you can ask a professional to do a mobile phone card, let you install it.

If you are using a Huawei phone.

If the mobile phone card tray cannot be removed or cannot be ejected, please try to solve it as follows:

1. It is recommended that you use the Huawei standard card pick-up needle to pick up the card.

Please use the HUAWEI standard pick-up pin, insert the card tray hole vertically (the card tray hole is on or near the card tray), push the card tray slightly harder, and then unplug the card tray from the phone. Be careful to distinguish between Katokom and Mabitak vents.

2. If you use Huawei standard card pick-up pin, it cannot be popped.

Please check whether it is caused by mistake, the microphone pickup hole is designed with 90° turning protection, even if it is inserted by mistake, it will not cause internal damage, please feel free to use.

If it is confirmed to be a SIM card hole, please try it with a little more force.

Note: Please turn off your device before taking out the card tray quietly.

Tips: If you lose the card pick-up needle, do not use a toothpick or other object that is easy to break to take the card to avoid internal damage caused by improper operation, and please go to the Huawei customer service center to purchase a standard card pick-up needle as soon as possible.

Use the card slot pin adapted to Huawei mobile phones, insert the needle into the card slot pinhole on the side of the mobile phone screen, insert the card slot with some force and it will automatically pop up, and then put the mobile phone card into the card slot and push it in!

1. Take the card tray: In the shutdown state, find the card slot at the top left of the mobile phone, and insert the card pin vertically into the small hole on the side of the card slot. Press firmly to make the tray pop out.

3. Insert the card: Put the nano-SIM card and microSD card into the card tray according to the schematic direction, and pay attention to the direction of the notch.

4. Insert the card tray back: The mobile phone screen is up, and the card tray can be pushed back into the card holder to turn on.

Teach you a trick, how to install a mobile phone card on a Huawei mobile phone, let's learn together.

How to install a Huawei mobile phone card, take a look.

Hello, Huawei phone.

No SIM card is displayed.

It can be resolved by the following elimination:

1. Take out the SIM card of the mobile phone and look at the SIM card gold finger.

There is no dirt, after removing the dirt, reinstall it, and then restart the phone to try.

2. Try to replace a different SIM card that can be used normally, if the detection status is normal, that is, your SIM card may be damaged due to aging or other reasons, you can go to a nearby business hall to replace a new SIM card.

3. If there is still no SIM card after replacing a normal SIM card, it may be that the card slot is broken, and it is recommended to send the mobile phone to the after-sales outlet for testing and repair.

Don't have a mobile phone number card on your Huawei phone yet? You can bring your ID card to the operator to select the number and card, select the ** you want, and you can play** to surf the Internet.

If you don't have a ** card, then you have to buy a telecom, or mobile, Unicom's ** card can be installed. If you just use it to watch the news, paragraph** and the like, and not as a communication tool, you don't need to install ** card, but if you want to surf the Internet, then you have to have broadband at home, turn on the wifi function to connect to the network.

Go to the business hall to apply for a ** card and install it on your mobile phone.

If the mobile phone does not have a card, it can not be used at most, and it cannot be sent text messages, but as long as you have a wifi network, it can also be connected to this wifi network to use it. Well, you can make a voice call through WeChat**This is also possible, specifically, well, you if. If you use a mobile phone card, you can bring your ID card to the business hall to apply for one.

If you don't have a mobile phone card, you can go to a communication operator outlet and apply for a mobile phone card with your ID card, and then you can go to your Huawei mobile phone.

If you already have a mobile phone card to use on another mobile phone, then this mobile phone can be used without a mobile phone card, and it is also possible to only surf the Internet without playing **.

Take out the SIM card of the phone, see if there is any dirt on the gold finger of the SIM card, after removing the dirt, reinstall it, and then restart the phone to try.

Try to replace a working SIM card, if the detection status is normal, it means that your SIM card may be damaged due to aging or other reasons

Without a card, do you mean ** card?

If you don't have one, you can use your ID card to go to the business hall to get one, China Telecom, China Unicom or others.

Or if you don't want to apply for a card, you can connect to wifi or other mobile phone hotspots. You don't need a ** card, just surf the Internet.

If you don't have a card, you can only use some software functions, and you can't make remote calls, because if you don't have a card, you can only use it in some places with wifi, and you have to know the password to use it, which greatly limits the scope of use of the mobile phone, so it's best to get a ** card is the best.

If you report that you don't have a SIM card even though you have a card installed, you can exit the SIM card, erase the copper foil surface with an eraser, and try to install it again. If it still doesn't work, you can go to the business hall to replace the card, which is generally free. Be careful to bring your ID card.

If you don't have a card, you can go to the service center of the network operator with your ID card to buy a card, put it in your Huawei phone, and then turn it on and use it.

If you don't have a mobile phone card, you can use your ID card to apply for one. If you can't apply for it without an ID card, you can use the card that your family member has.

If you buy a Huawei mobile phone, there is no such ** number card now, then you quickly go to the telecom office to get one, because his cost is relatively low, and then put it in the mobile phone to call**.

Then you can only use the data data of the mobile phone if you have a mobile phone card. Or it's okay if you use Wi-Fi all the time.

Whether it's Huawei or other mobile phones, if you don't clean it up after a period of time, it will slow down and become stuck, you can use the cleaning software that comes with the phone to clean it thoroughly, and it will be better to completely restore the factory settings to clean it thoroughly.

Huawei phone no card, what should I do? If you don't have a card on your Huawei phone, you can take your ID card to the business hall to apply for a card.

If you don't have a card, you can make a call to the outside world, and you must get a card to use the call function. However, if you have wifi, you can connect it to an instant messaging app.

The mobile phone can't play**,**The card has no signal, generally the motherboard baseband is damaged, it is very complicated and troublesome to repair, and the chip needs to be replaced.

Huawei phone no card, what should I do? Hello, you can go to the mobile hall to apply for a card, and you can get an ID card with your real name.

Open the phone card slot and reseat the ** card. Or restart your phone.

Huawei's mobile phone does not have a card, so go to the business hall to apply for a card, so that it will be more convenient for you, without a card you will not be able to communicate anything.

Installing the card is actually very simple, just follow the steps below. First of all, we need to rule out the possibility that the phone supports that SIM card or not. Because sometimes the mobile phone is not compatible with the SIM card we bought, the mobile phone cannot recognize the card at this time.

At this time, you need to check the instruction manual of the mobile phone to see if the mobile phone supports the SIM card we purchased. If the phone supports the card, then we can start operating.

Second, find out the SIM card tray on your phone. Different mobile phone models, the position of the SIM card guessing room code tray is different, but it is generally on the side or top of the mobile phone. Some phones will be marked on a tray" sim "Some don't.

In any case, we have to look carefully for the SIM card tray.

Next, take out the pick-up needle or other tool from the SIM card tray. When buying a mobile phone, it is common to come with a SIM card pick-up pin, or place this tool in the box of the mobile phone. If you accidentally lose this tool, you can use another slender needle or toothpick instead, as long as the length can be inserted into the SIM card hole.

Then, insert the card pin into the small hole of the SIM card tray, and the SIM card tray will pop out with a single press. Then, we can insert our SIM card into the corresponding position correctly according to the pattern on the SIM card tray.

Finally, insert the SIM card tray back into place and press it a little hard until it is completely pushed back into the body of the handilapper. At this time, the mobile phone will automatically detect the SIM card, and recognize, and then the interface that needs to enter the PIN code will pop up, and then we need to enter the PIN code in our hand.

There may be some problems in this process, such as the damage of our mobile phone tray or the loss of the stuck pin, in this case, we can choose to go to the after-sales repair point to solve it, or we can ask the mobile phone manufacturer for after-sales treatment. In short, for us ordinary consumers, card loading is a very simple process, as long as the above steps are strictly followed, the operation can be completed. <>

Summary. Kiss, here comes the answer! As follows:

First of all, if you are using a Huawei mobile phone and the card tray cannot be removed or cannot be ejected, please try to solve the problem as follows: 1. It is recommended that you use the Huawei standard card pick-up needle to take the cardPlease use the Huawei standard card pick-up needle, insert the card tray hole vertically (the card tray hole is located on or near the card tray), push the card tray slightly hard, and then pull the card tray out of the phone. Be careful to distinguish between the card tray hole and the microphone hole.

Kiss, here comes the answer! As follows: First of all, if you are using a Huawei mobile phone, the card tray of Qiaoxiao mobile phone cannot be removed or cannot be ejected, please try to solve it according to the following methods:

1. It is recommended that you use the Huawei standard card pick-up needle to take the card, please use the Huawei standard card pick-up needle, insert the card tray hole vertically (the card tray hole is located on or near the card tray), push the card tray slightly hard, and then pull the card tray out of the mobile phone. Be careful to distinguish between the card tray hole and the microphone hole.

Then note 2, if you use the Huawei standard card pick-up needle can not be ejected, please confirm whether it is caused by the misinsertion of the microphone hole, the microphone pickup hole adopts a 90° turning protection design, even if Bo's talk about the misinsertion, it will not cause internal damage, please feel free to use. If it is confirmed to be a SIM card hole, please try it with a little more force.

If you lose the pin, do not use a toothpick or other object that is easy to break to avoid damage to the device.