Samsung 7108 has no signal 10

2.If it is a dual-SIM phone, please check whether the SIM card is activated: Settings - SIM Manager - SIM1 SIM2 - Click the SIM card icon - slide to turn on (the operation mode may be slightly different for different models of mobile phones).

3.If there is still no signal, it is recommended to turn off the SIM card and remove it, wipe the SIM card chip with an eraser, and then reinstall it. 4.

If it doesn't work, try to change to another location to rule out whether it is caused by poor signal coverage in your location. 5.Try to change the network mode to 3G or 2G (do not select the auto-connect mode).

Note: Some machines do not support changing the network mode. 6.

Try to change another SIM card. 7.Update the system version of your phone:

Settings - About Phone (About Device) - Manual Update Automatic Update (Software Update System Update - Update). Note: Please back up the data (contacts, messages, **, etc.) in your device before upgrading.

If there is still no signal or emergency call is displayed after the above operations, please bring the purchase receipt, warranty card and device to the Samsung service center for inspection.

This machine is a pit goods, and I will never buy a mobile custom machine in the future, and the pit is dead, and there is no way, and mine is the same.

2) It is recommended to take out the SIM card, use an eraser to wipe the chip of the SIM, and then reinsert the SIM card into the phone.

3) It is recommended to change another SIM card to try.

4) If it still exists, it is recommended to restore the machine to factory settings, the operation is as follows: Settings-Reset-Factory Reset, but because this machine will lose all the data in the phone if it is restored to factory settings, it is recommended to back up important data such as **Ben,**, **, etc. in advance.

5) Firmware upgrade attempt is recommended.

If the problem persists through the above methods, please bring the purchase invoice, repair card and machine to the Samsung service center.

If the mobile phone cannot access the Internet normally, you can troubleshoot according to the following conditions:

Situation 1] The contact between the SIM card and the metal contacts of the mobile phone is insufficient, and the SIM card can be reinserted.

Situation 2] If the SIM card is damaged or there is a problem with the mobile phone, you can change the phone to test whether it is the SIM card or the mobile phone is faulty.

Situation 3] The current location is a signal blind zone or suddenly no signal, you can change places to test and pay attention to whether the mobile phone signal of other users around you is normal.

Situation 4] If the mobile phone card is in arrears or is shut down, you can pay off the arrears and turn it on. Wang Zhao Brigade.

Situation 5: Abnormal use of the number is suspended, such as the number chain hole code is used for illegal or illegal activities.

Situation 6] Roaming in Taiwan, Hong Kong, Macao or abroad can only be used after enabling Taiwan, Hong Kong and Macao roaming and international roaming.

Hello: According to your description, there are several reasons why the signal is bad, and you can troubleshoot the problem by following these steps:

1.It may be related to the signal of your location, and you change the location to view the signal.

2.If the signal is still bad, you can change to another SIM card to see if it is the SIM card reason.

3.If the problem persists, we recommend that you back up your phone data and restore your phone to factory and try again.

Hello: According to your description, you can try the following:

2.If possible, change the SIM card for testing.

3.(Back up data: **book, SMS, multi**, etc.), it is recommended that you restore the factory settings.

4.If it still can't be solved after factory reset, it is recommended to send the phone to the nearest Samsung service center for testing and further processing.

For specific service center inquiries, please click:

Brush system. Let's do it...Are there any memory cards? Take out the memory card and reinsert it The best way to do it is to swipe the information.

If you are in a place where there is no problem with unstable signal.

Then it's a mobile phone problem, go to the dealer to issue an invoice (if you didn't open it when you bought it). Send Samsung customer service for testing, if you can't see the problem of unstable signal at that time, you will be left for testing for 48 hours.

1. The network environment is poor, resulting in delay, and it is recommended to replace the stable state of the network.

2. There is information push in the notification bar, which will cause delay, it is recommended to clear the background program to avoid pop-up status.

3. There are too many junk files on the mobile phone, and the performance is too slow due to the cache, so it is recommended to clean up the cache and junk files in time.

4. Update the latest version of the system and software.

This is a problem with your Samsung N7106 mobile phone card, try another card,

Is that 4G or 3G. Now some of the signals are covered. It could be a problem with your poor phone signal. Find after-sales service to help you solve it.

This is the reason why your local network is not good.