There are several reasons why the phone card suddenly shows no service

Many FRIENDS IN THE USE OF MOBILE PHONES, suddenly found that the phone card suddenly showed no service, but do not know what causes. This article on the phone card suddenly showed no service for several reasons, and the solution.

May card is how to run a lot of people don't know my cell phone, as long as the phone did not owe cost, and is in standby state, then mobile phones would pass card all the time to accept the of signals emitted by base stations, satellite, phone calls, answer the phone, the use of mobile network, are implemented by phone card, and when the mobile phone card shows no service, It could be the phone, the card, the network operator, the environment.

First, no signal

If you go out often, you will find that the signal of your mobile phone will fluctuate with the change of your environment. Sometimes it will be enhanced, sometimes it will be weakened. In remote areas like mountains, basements, trains, etc., the cell phone signal will be very weak.

The reasons for these problems are complex, but one thing is certain: they all go away when we change our environment. The "out of service" status of the cell phone card is only temporary. When we reach the area of signal, the cell phone card will automatically restore.

a6cbdce36352965a77e606a0f710d7a3Second, hardware failure

This problem may not be experienced by ordinary people, but it does exist. When the card slot of the mobile phone is oxidized or there are foreign bodies, it will lead to the mobile phone card cannot be connected with the mobile phone card slot normally, which will lead to the mobile phone not detecting the mobile phone card, and the mobile phone will show no service status. If this is the case, you can remove the phone card, and then clean the phone card slot, it is possible to recover.

In addition to this situation, there is another situation that will also appear no service phenomenon, that is, the mobile phone card "deformation", the mobile phone card can work properly, completely relying on the chip and the spring firing pin on the card slot contact. However, the chip on the mobile phone card or Pr phone cards is very thin, which will be deformed after a long time of use, forming a concave or convex non-plane. The chip of the mobile phone card can not be connected with the spring firing pin, which will also lead to no service of the mobile phone. In this case, you can only go to the business office to apply for a new card.

3. The mobile phone card is cancelled.​

If the phone is in arrears for a long time, the card may be cancelled directly by the carrier. When the card is cancelled, the phone will show "no service" status.

If this state, you can take your ID card to the business office inquiry, or use other mobile phone numbers to call the customer service of the operator, let them help query. But this is not very common, and the probability of it happening is almost zero, except for some very old cards.

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