How is there no signal on my Lenovo phone after factory reset

Hello. Sorry for the inconvenience! There is no signal after the Lenovo phone is restored to the factory, it is recommended to follow the steps below for simple troubleshooting:

a.No signal or service under all environmental conditions:

2.If the SIM card is still in no signal and service state, it is recommended that you send it to the repair station in time.

b.Intermittent occurrence:

1.Whether the surrounding network environment is normal at that time, it is recommended that you go to other regions for comparison, or make a simple comparison with nearby users.

2.It is recommended that you change the SIM card for comparison, if the individual SIM card appears, it is recommended that you contact the operator for further processing;

3.In Settings - About Phone - System Update or System Upgrade (if any), check the update upgrade, update to the latest system version (only support ** upgrade models);

4.If the above operations cannot be improved, please send them to the repair site for testing and processing in time.

Lenovo authorized repair site inquiry.

The business hours of the maintenance site are usually from 9:00 to 18:00 from Monday to Sunday, except for holidays, and the stations will be slightly adjusted according to their own operations.

You are welcome to contact us or visit Lenovo at any time

Consult to find out.

Hello, you try to pull out the mobile phone card and reinsert it, if the problem still exists, it is recommended that you go to the nearest Lenovo mobile phone customer service center, and the engineer will help you detect and solve it;

You can use the following link to inquire about Lenovo mobile phone service outlets.

The phone has no signal when you restore factory settings, which may be caused by a system problem, and you can try to fix it by the following methods:

Go to your phone's settings - network toggle between the carrier network and the limited network level, and try a few options.

Reinsert the SIM card and restart the phone.

Replace the mobile phone card to see if it can be recognized, and determine whether it is a problem with the mobile phone card used by the machine.

None of the above attempts have solved the problem, it is recommended to re-enter the system, repair all files and try again.

If it still doesn't work, it is a problem with the hardware of the mobile phone, and it is recommended to go to the corresponding after-sales maintenance of the mobile phone brand.

Answer hello, it may be that the mobile phone card has no service to restore the factory settings of the mobile phone is useless, it is recommended that the user reseat the connection of the mobile phone card, wipe the contact position of the mobile phone card, and reinstall the mobile phone device before reinstalling it to the mobile phone device, restarting the mobile phone device can generally restore the network signal connection of the mobile phone operator.

It is useless to plug in your own mobile phone card when asking questions, but it is useful to insert other mobile phones.

What mobile phone, see if there is an option for network restoration, as well as a network switch, or you can turn on the airplane mode and turn it off, not restart again

It should be a problem with the baseband, just brush a baseband.

There is a small hole in the back, poke it for 5 seconds and then release it, and it will reset. The router will also need to be set up again.

Here's how to factory reset your Lenovo NEWIFI router (factory reset has nothing to do with whether there is a signal or not):

1. Turn on the router and keep it in working condition.

2. Find the reset hole behind the router (the reset button is hidden inside), use a paper clip or toothpick, poke into the reset hole, press and hold the reset button for a few seconds, wait for the router indicator to flash, and release the button to reset successfully.

3. In this way, the router will be successfully restored to factory settings, and then the user needs to reset the parameters of the router, including the broadband account password and the name and password of the wireless network, etc., and can only be used normally after setting.

The reason for the bad signal is that the signal will be affected by various factors such as terrain, landform, and high-rise buildings in the process of propagation

1. Turn the phone on and off again;

2. Swap the SIM card to a family member's or friend's phone and try again;

3. Check whether there is a signal from other Unicom users around;

If the above situation has not been resolved, it is recommended to contact the manual customer service of the place where you belong for processing.

No signal or service under all environmental conditions:

If the SIM card is still in no signal and service state, it is recommended that you send it to the repair station in time.

Intermittent occurrence:

Whether the surrounding network environment is normal at that time, it is recommended that you go to other regions for comparison, or make a simple comparison with nearby users.

It is recommended that you change the SIM card for comparison, if the individual SIM card appears, it is recommended that you contact the operator for further processing;

If it occurs recently, it is recommended that you can back up the fuselage data for factory reset (PS: remember to back up the data before operation to avoid personal data loss) attempt, and the factory reset menu path is:

Generally, the latest version will be optimized for the previous version, if the device is not currently the latest version mentioned above, it is recommended that you upgrade and observe.

If the above operations cannot be improved, please send it to the repair site for testing and processing in time, and the service site can log in to the official website of Lenovo Service for inquiry.

Mobile phone service station inquiry.

Haha, is the problem with the card or the problem with the phone itself clear? In case the signal is relatively weak in the area where the mobile phone is located, the wall is thicker and there is no signal!

Are you using China Mobile or China Unicom? Is there no signal all the time or is there no signal due to bad weather? If there is no signal all the time, it means that there is something wrong with your mobile phone You have to take it to the mobile phone store to see what the person who sold you the mobile phone said If it is a rainstorm and thunder weather, no signal is normal Because you don't write in detail I don't know what kind of signal you have.

Hello, you can change the location and re-insert the SIM card to try, if there is still no signal, you can try to backup the data, restore the factory state of the phone to try.

Failure to resolve contact the service station for testing.

1.It may be due to electromagnetic compatibility or an abnormality in the SIM card itself, your phone should work fine, and it is recommended that you try to change a SIM card.

2. Involving the compatibility of SIM card and fuselage: that is, the problem you are responding to has a lot to do with the network of China Mobile Unicom Card and Telecom. Therefore, it is recommended that you change the card, if it is the reason for the card, we sincerely hope that you will report the incompatibility of the card to the relevant operators, and suggest that they strengthen the network coverage ratio.

3. Involving body problems: If you change the SIM card and still can't solve these problems, you can send the phone to the local repair station, if we detect that there is no fault, you can rest assured.

Hello. We apologize for the inconvenience.

If the mobile phone has no network, the specific troubleshooting steps are as follows:

1.Please shut down and restart the card first and check whether the ** card is installed (whether the installation direction of the ** card is correct, and whether the network supported by the card slot matches the ** card);

2.Confirm whether the flight offline mode is turned on by mistake;

3.Check whether the environment is relatively biased;

4.It is recommended to change to another SIM card to observe whether it is used normally;

If there is no improvement after the above operations, it is recommended that you send it to the repair site for inspection in time.

Lenovo authorized after-sales site inquiry.

You are welcome to contact us or visit Lenovo at any time

Consult to find out.

How can Lenovo phone A65 not be able to access the Internet after restoring factory settings? What should I do? Answers are urgently needed

Back up your files before restoring.

There is no signal after the Lenovo phone is restored to the factory, it is recommended to follow the steps below for simple troubleshooting:

a.There is no signal or service in all environmental conditions:

1.Change to other SIM cards to try, if it can be recognized normally after replacement, it is recommended to contact the operator for processing;

2.If the SIM card is still in the state of no signal and service, it is recommended to send it to the repair station in time for processing.

b.Intermittent occurrence:

1.At that time, whether the surrounding network environment was normal, it is recommended to compare with other areas, or to make a simple comparison with nearby users;

2.It is recommended to change the SIM card for comparison, if the individual SIM card appears, it is recommended to contact the operator for further processing;

3.In Settings - About Phone - System Update or System Upgrade (if any), check the update upgrade, update to the latest system version (only support ** upgrade models);

4.If the above operations cannot be improved, they can be sent to the repair site for testing and processing in time.

Hello. Try it out three times.

It's best to open the backup software that comes with your phone to back it up before clearing it to facilitate recovery.

Sanqing is to format the phone, which can solve most of the system problems, software flashbacks and other abnormalities, and Sanqing is also used to update the system before.

Clear the system data to ensure that the flashing can be carried out normally.

The method of entering the REC mode and clearing the three clears.

1. Open the system update software on your phone, menu key, and select to enter REC mode.

2, in the shutdown state (deduct the battery yourself, m 3 m 4 long press the power button for ten seconds to force shutdown), the power button and the volume plus key are pressed and held up with the pickpocket, and then let go after lighting up the screen.

Then go to a page, Chinese Simplified.

english

3, the power button is the OK key, the volume up and down keys select, there are three options on the page this let, press the power button OK, select the stool Chinese Simplified Chinese.

4. Select Clear Data.

5. Select Clear Cache, and when the clearing is complete, select Clear Data again.

6. Select Clear User Data, and after the clearing is complete, select Clear Data again.

7. Select Erase All Data, and when the clearing is complete, select Restart the phone.

8. Select Enter the system with Recent.

9. After the phone is turned on, find it, back it up, turn it on, and restore all the data.

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.

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 will be given and we will check and deal with it as soon as possible.