The old machine can't dial out or in. What happened?

With the popularity of smart phones, computers for the elderly have gradually withdrawn from the market, but some elderly people are still using them. However, some opportunities for the elderly can't be played out and can't be played in. What is the reason? Let's answer in detail below.

Reason one: the signal is not good.

The signal receiving ability of the old machine is weak. If the signal in the place you use is not good, you can't call out or come in. At this time, you can try to use the pension machine in other places, or try to replace other mobile phone cards.

Reason 2: SIM card failure.

The old machine uses SIM card, and if the SIM card fails, it will also lead to the situation that it cannot be dialed out or dialed in. At this point, you can try to take out the SIM card, clean the metal contacts, and then try to plug it back in.

Reason 3: fuselage failure

The old machine has been used for a long time, and there may be some faults inside the fuselage, such as insensitive buttons and poor signal reception. At this time, it is recommended to go to a professional mobile phone repair shop as soon as possible to avoid affecting normal use.

There may be many reasons why the old mobile phone can't be dialed out or dialed in, and it needs to be investigated according to the specific situation. If the above methods can't solve the problem, it is recommended to go to a professional mobile phone repair shop for repair.