How to solve the signal difference of telecom card, teach you the solution.

1 First of all, we need to know the reason for the poor signal, whether it is because of the mobile phone or the mobile phone card, or because of the familiar area, so that we can prescribe the right medicine.

2. Next, you can take down the mobile phone card and install it on other telecom 4G mobile phones to see if the signal is normal. Check whether it is a card or a phone.

3. In view of the above situation, if there are network differences, it has nothing to do with mobile phones, but other reasons. If it doesn't appear, it has something to do with the mobile phone. Try to restart.

4. If it has nothing to do with mobile phones, it may be related to geographical bias. Insufficient network coverage and slow signal transmission. You can choose to buy a network signal amplifier to try.

5. There is also the most official method, that is, to call the official telecom number, let them optimize the network, or let the operators carry out maintenance.