What should I do if Samsung S5 has no signal

If there is no signal on your phone or an emergency call prompt is displayed on the screen, it is recommended:

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 your phone's system version: 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.

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.

5) It is recommended that you try a firmware upgrade.

1. There is no signal or the signal is relatively poor, mainly because the signal will be affected by various factors such as terrain, landform, and high-rise buildings in the process of propagation, such as the current location is in a relatively closed place, and the signal may be affected.

2. If the mobile phone signal of other China Unicom users is normal, the following methods can be used to troubleshoot:

Method 1] Turn on airplane mode, then turn off or restart your phone and try again.

Method 2] Test of changing the phone card to change the mobile phone card to the mobile phone of a family member or friend and try again.

Feedback, we will check and deal with it as soon as possible.

Hello dear Samsung users:

Based on your description, we recommend that you try it by following the steps below:

2.Take out the SIM and clean the SIM card metal contacts with an eraser. (Whether it is a SIM card with poor contact).

3.Try to replace a SIM card (whether the SIM card is aged or damaged)4Check whether the phone has software such as Security Guard or Calendex installed, and try to uninstall it.

5.Back up your phone's data (book, SMS, multiple files, etc.) and restore factory settings.

If the problem persists, we recommend that you take your phone to the nearest Samsung service center for testing and repair.

Samsung knows that we will provide you with high-quality solutions and answer your questions attentively, and hope to get your satisfactory evaluation.

C5 often has no network, this is a common problem, mine often has no signal, after-sales said that the system can not be updated, to me to reply to the original system, the result is still often no signal, I wondered, bought a mobile phone not to update the system, a big joke, indicating that there is no solution after sale. C5 This network seems to be a common problem, and I can only go to the after-sales service to solve it.

The signal of the S5 should have been on the market for many years, and you have to look at the region and the version of your phone when the signal is poor.

If you are standing in the same area as someone else, and the signal is strong and your signal is poor, your phone should be changed.

Is your problem of bad signal solved.

Samsung S5 mobile phone signal sometimes has no way to deal with it:

1. Turn off the phone, disassemble the battery and turn the phone back on.

3. Turn off the mobile phone, take out the SIM card, clean the metal contacts, and then put the mobile phone back on and try to turn it on.

4. If possible, try to change a SIM to see if it solves the problem.

5. Test whether this is the case in different geographical locations, and preliminarily rule out network signal coverage problems.

6. It is recommended to upgrade the system firmware to the latest version.

7. Back up your phone data and try to restore your phone to factory settings.

If the problem persists through the above methods, it is recommended to send the phone to the nearest Samsung service center for testing and further processing.

Due to the late start of 3G and 4G networks and insufficient network coverage, it is recommended to choose a more stable network for use;

Replace the SIM card to test whether the signal is unstable caused by the damage of the mobile phone card;

Restore factory settings after backing up data;

If it still can't be solved after restoring the factory settings, it is recommended to send the phone to the nearest after-sales service center for testing and processing.

If you have an unstable or bad signal on your phone, it is recommended that you:

1.It may be that the signal coverage of your location is poor, and it is recommended that you restart your phone or try it in a different location.

2.Turn off the power off and remove the SIM card, and use the eraser to wipe the SIM card chip.

3.Replace it with a different SIM card.

4.If the signal is still not good, try updating the system version of your phone.

5.If the above problems still occur after the update, please back up your phone data (**book, SMS information, multi** data, etc.), and try to restore factory settings.

If the problem persists after the above operations, it is recommended that you bring the purchase invoice, three-guarantee voucher and mobile phone to the local Samsung service center for testing by the engineer.

If the mobile phone has an unstable signal or a bad signal, it is recommended to:

1.Restart your phone or try to change the environment.

4.Turn off the power off and remove the SIM card, and use the eraser to wipe the SIM card chip.

5.Replace it with a different SIM card.

6.Back up your phone's data (**book, SMS messages, multi** data, etc.), restore factory settings attempt: Settings - Reset - Factory Reset.

If the problem still exists after the above operations, it is recommended to bring the purchase invoice, three-guarantee voucher and mobile phone to the local Samsung service center for testing by engineers.

It's the same broken Samsung and more than 5,000 It's too bad!!

Hello: If your mobile phone often does not have a network, it is recommended that you:

1.Try to reseat the SIM card.

2.Try to change another SIM card.

3.Back up data (contacts, text messages, **, etc.), factory reset (Settings - Reset Privacy - Factory Reset) attempt.

1.Check that the SIM card is placed in the correct position, reinstall it and try it.

2.If the phone is a dual-SIM dual-standby machine, check whether the SIM card is not activated. Operation: Settings - SIM Manager - SIM 1 (UIM 1) SIM 2 - Activation - Tick.

3.Turn off the power off and remove the SIM card, and use the eraser to wipe the SIM card chip.

4.Try to change the SIM card.

6.Back up your data (contacts, text messages, **, etc.), factory reset (Settings --Reset Privacy Personal --Factory Reset).

Hello dear Samsung users:

Depending on your description, 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 still exists, please bring the purchase invoice, repair card and machine to the Samsung service center, and the engineer will check the machine, you can check the Samsung service center information through the following link:

It is recommended that you make an "appointment to the store" maintenance application on the official website of Samsung, and enjoy priority maintenance services

After the appointment is successful, please bring your machine, invoice and warranty card to the service center of your appointment on time.

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