The keypad of the Lenovo S850 is locked inside that

Generally, mobile phones support up to 3GP format.

The back of the phone automatically finds the one you want to go**.

Files are simply moved online.

Hello. If you are referring to how to set the screen lock of your S850, please refer to the following steps.

One Set up a screen lock.

1.In the [Standby Interface], click [System Settings];

2.Click [Security & Lock Screen];

3.Tap [Lock Screen] and then tap [Screen Lock];

4.Select a screen lock method, such as [Pattern], then enter the set pattern, click [Continue], enter the set pattern again to confirm, and click [OK].

5.After the setting is completed, enter the screen unlock interface and enter the unlock pattern, which can be unlocked (Note: the pattern and drawing order must be the same as the set to unlock).

6.In the screen lock mode selection screen, select a different lock screen method to unlock the screen in the corresponding way. (You can also choose [Swipe], [Number], [Password] to lock).

2. Cancel the unlock password.

For example, if the current screen lock method is [Pattern], after tapping [Screen Lock] in step 4 above, you need to enter the original unlock pattern first, and then select [None] in the screen lock method to cancel the unlock password.

Please understand and try the above.

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

Consult to find out.

Hello. We apologize for the inconvenience.

Your model supports to enter the recovery mode for double clear operation, this operation will clear all data (contacts, call information, etc.) in the storage of your device, you can choose to do this operation by yourself, S850T model double clear operation, please refer to:

a.After the phone is completely turned off, press and hold the volume up and down buttons and the power button at the same time until you enter the recovery interface and release the buttons;

b.Under this interface, directly click the option to select OK, select Chinese--Clear Data to OK.

After the operation is complete, you can restart and complete the Shuangqing operation. If you are unable to do it yourself, it is recommended that you take the time to go to the workshop and have an engineer assist you in handling the problem.

Lenovo Authorized Repair Site Query:

If you have other questions in the follow-up use process, you are welcome to contact us at any time or visit Lenovo Lewen (

Consult to find out.

Hello, according to the questions you asked, we make the following answers.

You can unlock your device in the settings.

Dear users, hello!

Sorry, if you refer to the device lock, it is due to the relevant lock screen or password set by the previous mobile phone and you have forgotten it, it is recommended that you try some possible situations by yourself, if you can't try it.

You can try to clear the data on the S850T phone in the recovery mode to clear the lock screen password (equivalent to restoring the factory settings of the device, please understand).

Method: In the shutdown state, press and hold the "Power Button" and "Volume Up and Down Buttons" buttons of the device at the same time to enter the RE mode of the phone, select "Clear Data" for the volume button, and then restart the device.

If it can't be effectively solved, we recommend that you go to the nearest Lenovo after-sales service center and the engineer will help you flash the machine to restore the solution. You can use the following link to inquire about Lenovo mobile phone service outlets.

Hello. We apologize for the inconvenience caused to your use!

1. Please check whether there are too many background programs, due to insufficient running resources, the input method program does not respond in time, it is recommended that you can close the system background program regularly, or you can use the "mobile phone acceleration" function in Le'an;

2. If it appears during the operation of the input method, it is not excluded that the input method software is abnormal or caused by compatibility problems, you can set --Application--All, find the input method software, clear the data or uninstall and reinstall the same type of software;

3. If it can be used normally before, it is recommended that you can back up your data for factory reset. If the problem persists and cannot be effectively solved, it is recommended that you take the time to go to your local Lenovo after-sales service center and ask the engineer to help you check it.

1.If you accidentally misoperate the home button at the bottom of the screen, so return to the home screen, it is recommended to shout wide for you to observe and use;

2.If this problem occurs in individual software, it is not excluded that it is caused by software abnormalities or compatibility problems: first, it is recommended that you go to Settings - Application - select all the programs to clear data processing, and if it still cannot be improved, it is recommended to uninstall and reinstall or use other software of the same type;

3.Please check whether the fuselage has relevant background cleaning settings, such as the acceleration function of Le'an mobile phone, it is recommended that you observe and use it;

4.If it can be used normally, it is recommended that you back up the fuselage data for factory reset.

5.It may be caused by the failure of the touch button, which may be caused by the abnormal underlying driver of the system or the failure of the touch screen itself.

Inquire about authorized maintenance sites on the official website.

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

Consult to find out.

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

1、LenovoS820There are three buttons at the bottom of the screen (not on the display screen),You don't need to call it out,Click it to use。

2. The soft key at the bottom of the above screen does not support the backlight and cannot be adjusted, so the settings are so.

3. Lenovo S820 uses MTK quad-core processor, main frequency, with 1G RAM memory, 4G ROM storage space and Android system, and the performance is mainstream. In terms of screen, it adopts an inch 1280*720 resolution 16 million color IPS screen, with good display effect, and is equipped with a 13 million pixel camera, which can bring good photo effects and meet the daily application and entertainment use.