Lenovo A850, signal total section, may I ask what is going on

Dear Lenovo users, hello!

We apologize for the inconvenience caused to your device.

According to the description, the mobile phone signal is poor and frequently disconnected, please try to restart the mobile phone for observation, if the signal is poor for a long time, it is recommended to follow the steps below for simple troubleshooting:

1.Whether the surrounding network environment is normal, 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.If it appears recently, it is recommended that you can back up the fuselage data to try to restore factory settings, and the path of the factory reset menu is: System Settings - Backup and Reset;

4.The latest system version of Lenovo A850 4G ROM version is A850 S128 130929, you can check it under System Settings - About Phone - Version Information. 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.

The upgrade method of A850 is as follows: System Settings - About Mobile Phone - System Update;

5.If the above operations cannot be improved, please send them to the repair site for testing and processing in time. It cannot be ruled out that it may be caused by a faulty function related to the RF of the hardware motherboard.

You can log in to the official website to check the address.

Lenovo A808T mobile phone automatically disconnected, no signal The solution is as follows:

1. Try to change the place with a good signal to eliminate the signal problem of the operator;

2. Change a mobile phone card to rule out poor contact;

3. Restore factory settings;

4. Send the mobile phone for repair after-sales warranty.

The steps to do a factory reset are as follows:

1. Turn off the phone completely;

2. When the phone is turned off, press the power button first, and then immediately press the volume down button + volume up button at the same time and don't let go, it will enter recovery after a while, note: press the volume up and down keys in recovery mode to select, and press the power button and home button to indicate OK;

3. After entering the recovery mode, you can choose to restore factory settings, no matter whether the phone is a recovery that comes with the system or a third-party recovery, as long as there is [wipe data factory reset];

4. Select [Wipe Data Factory Reset], then press the boot button to confirm, and then select [yes - delete all data].

5. Then re-select [Reboot System Now], press the power button to confirm, and then start the phone.

Hello! I'm so sorry! If your phone is frequently automatically disconnected from the network and there is no signal message, it is recommended that you restart your phone, try to change the SIM card, and try to restore the backup data to factory settings of your phone. If this is still the case, it is recommended to contact after-sales testing.

Officially authorized repair site inquiry.

You are welcome to contact us at any time or visit Lenovo Lewen (for consultation.

Try it at your home with someone else's phone.

I also show no signal from time to time and in the same place, other phones show full signal.

Mine too, often unreachable, with ultra-unstable signals.

Lenovo A808T mobile phone has a signal in the urban area, there is no signal at home, and the attempt to change the card is invalid, it cannot be ruled out that the network signal itself in the place is relatively weak. It is recommended to upgrade the system and contact the after-sales site for detection.

The phone is restored to the original factory settings without wow, you can restore it.

We apologize for the inconvenience.

Under normal circumstances, the range of home router can be used is about 10 meters, and if there is a wall lamp cover, the distance will be appropriately shortened. If you feel that the distance you can use is short, please refer to the following suggestions:

1.Please refer to the above instructions to see if the distance is within a reasonable range, or if there is a cover to obstruct it;

2.It is recommended that you check whether there are too many devices connected at the same time, resulting in poor signal;

3.If possible, please change the wireless network (other router equipment) for comparison, and do not rule out compatibility and other problems;

4.If the problem occurs recently, it is recommended that you back up the fuselage data and perform a factory reset.

If you still feel that the wireless usage is abnormal after the above operations, it is recommended that you take the time to go to the local Lenovo site for specific detection and processing. Lenovo authorized after-sales site inquiry.

It should be a problem with the battery, so try it with a different battery.

Dear Lenovo mobile phone users, hello!

Please be sure to give a detailed description of your situation to the staff so that your machine can be accurately handled.

Lenovo Authorized Repair Site Query:

Dear Lenovo users, according to your description, it is recommended that you do a factory reset of your phone to try:

Method 1: Go to System Settings - Privacy (please select Backup & Reset for Android higher version phones) - Factory Reset - Reset Phone.

Method 2: When the phone is turned off, press the power button + volume button at the same time when starting; After entering the recovery, please select Wipe Date;

If the problem cannot be solved, you will be provided with a link to the Lenovo mobile phone after-sales service site, and a special engineer will solve it for you.

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