The phone has no signal, the card slot is fine, what s going on? Ask for answers

There is no signal on mobile phones because the signal will be affected by various factors such as terrain, landform, and tall buildings during the propagation process, and if you are in a relatively closed place, the signal will be affected. Here's how to deal with it:

1.Turn the phone back on and off and try again;

2.Swap the SIM card to a family member's or friend's phone and try again;

3.Check to see if other Unicom users around you have a signal;

If there is no signal, you can contact human customer service for feedback.

You can try:

1.Restart your phone (so that your phone can search and register again)2Under Standby Desktop - Tap Apps - Settings - More - Mobile Networks - Network Operators - Search Networks - Select the network operator supported by your SIM card.

3.Wipe the contact points between the mobile phone card and the mobile phone (whether it is a SIM card with poor contact) 4If the problem persists, please bring the purchase invoice, repair card and machine to the service center, and the engineer will check the machine.

Summary. Hello, if you can try to make use of the second card insertion attempt. If there is no signal display, then it is a problem that can be determined that the baseband of the mobile phone is read.

What is the reason why there is no signal for the mobile phone card, and the card is fine.

Hello, if you can try to make use of the second card insertion attempt. If there is no signal display, then it is a problem that can be determined that the baseband of the mobile phone is read.

Disassembly inspection is required.

Are you a new phone? Be. Be.

Have you tried to use the second card for card insertion experiments?

How much does it cost to repair the mobile phone store, and I have tried the card for mobile telecommunications.

How much does it cost to repair the mobile phone store, and I have tried the card for mobile telecommunications.

If you are, a new machine, and there is a baseband problem, then it is free to repair it at the shop you bought.

What kind of mobile phone, I bought too much.

vivox7 online buy if you want to study how much.

If it is a baseband problem, the maintenance ** is about two hundred.

During the warranty period, you can go to any vivo after-sales store for free repair.

It can be replaced with a new machine within half a month.

You need to make sure that your phone is new, it is**, and it's not a refurbished phone, I can't go out in school. Thank you.

There are three reasons why there is no signal: a mobile base station problem; mobile phone system problems; Problems with mobile phone cards.

In response to the above three problems, we can take the following steps:

1. Check whether there is a signal for friends around you to use mobile phones, if other people's mobile phones are not bright and blind, then it may be a problem with the local network base station, and it is recommended that you contact the local business hall to deal with it.

2. Use your mobile phone to plug in other friends' mobile cards to try, if other cards don't work, then it may be a mobile phone system problem, it is recommended to contact the mobile phone after-sales service.

3. If you plug in other cards with signals, but you can't insert your own card, then it may be a problem with your own card, and it is recommended that you take your mobile phone card to the local mobile business hall for testing.

Summary. What is the reason why there is no signal on the mobile phone card, how to solve the kiss, hello 1, it may be that the mobile phone card is in arrears; 2. Degaussing of mobile phone card; (You can try to replace the mobile phone) 3. The mobile phone card slot is loose. (You can change the mobile phone to try) 4. The current network signal is not good; (If the signal of your friends is not affected, it means that it is not a problem with the current network signal) 5. Mobile phone setting problems.

If my answer is helpful to you, please give a thumbs up (in the lower left corner), I look forward to your like, your efforts are very important to me, and your support is also the motivation for my progress. Finally, I wish you good health and a good mood!

What is the reason why there is no signal on the mobile phone card, how to solve the kiss, hello 1, it may be that the mobile phone card is in arrears; 2. Degaussing of mobile phone card; (You can try to replace the mobile phone) 3. The mobile phone card slot is loose. (You can change the mobile phone to try) 4. When the network signal is blocked before the first tremor, it is not good; (If the signal of friends around you is not affected, it means that it is not the current network signal problem) 5. Mobile phone setting problem. (For example:.)

Airplane mode or turn the card off. Hope it helps! If my answer is helpful to you, please give a thumbs up (in the lower left corner), I look forward to your like, your efforts are very important to me, and your support is also the motivation for my progress.

Finally, I wish you good health and a good mood!

If the card is closed, how will it be displayed and how to solve it?

If the SIM card is turned off on the mobile phone, the mobile phone will not accept all the information of the corresponding card. It's the same as if this card wasn't installed. Nowadays, mobile phones are basically dual-SIM dual-standby.

Sometimes, if you don't want to use one of the SIM cards hidden in the cave, you can turn off one of the SIM cards. At this time, your mobile phone will display the card of the Shan Nian Hall. Closed SIM card numbers are not able to receive messages and **.

It's the same as shutting down. The other SIM card that is not turned off is in normal use.

There is only one card on the mobile phone, and there is no signal when you put it in the mobile phone.

If you change your phone, you can use ** and you can get through, what's going on?

Does that phone have a signal for another card?

Yes. That suggests that you change your card.

This card has a signal when you put it on another mobile phone, does it also need to change the card? Let's change it.

What is the matter with the mobile phone card plugged into the mobile phone and there is no signal on the mobile phone Hello dear, the mobile base station problem; mobile phone system problems; Problems with mobile phone cards. In response to the above three problems, we can take the following steps: Step 1:

If other people's mobile phones also have no signal, it may be a problem with the local network base station, and it is recommended that you contact the local business hall to deal with it. Step 2: Use your mobile phone to insert other friends' mobile cards to try, if it doesn't work to insert other cards, it may be a mobile phone system problem, it is recommended to contact the mobile phone after-sales service.

Step 3: If you plug in other cards with signals, but you can't plug in your own card, then it may be a problem with your own card, and it is recommended that you take your mobile phone card to the local mobile business hall for testing. I hope my answer is helpful to you, and finally I wish you good health and a happy mood again!