Lenovo S720 has entered engineering mode, how to get it

Press and hold the camera button + power button... To enter the engineering mode, keep the camera button held down, and the power button can be released! Wait for 5 seconds and enter recovery mode!!

Press and hold the middle button (main menu key) of the phone to select Clear EMMC and the phone will automatically recover. Wait for 2-3 minutes for the phone to be restored and unlocked successfully!

If you turn it on, it's in the settings, privacy settings (backup data in advance), restore factory settings, and that's it, satisfied.

Dear Lenovo mobile phone users, hello!

Lenovo S720 mobile phone to enter the mobile phone engineering mode method: press and hold the mobile phone camera button and power button at the same time for a few seconds to enter, the commonly used operation is clear eMMC to clear the operation of the fuselage (equivalent to restoring the factory settings of the mobile phone).

If it is abnormal, and the operation of clearing the fuselage cannot solve some system problems, we recommend that you take the time to go to your local Lenovo after-sales service center and let the engineer help detect and solve it. You can log in to the official website to check the address.

In addition, if the system is abnormal, it is caused by the deletion of system-related programs after you have flashed the third-party firmware or root to obtain permissions. If you have flashing experience and are willing to take the risk and want to restore the system by yourself, you can go to Lenovo's official Lewen Firmware area**Your phone's firmware and tutorials, try carefully.

Lenovo asked.

Make inquiries and find out. Have a great day!

Due to the risk of flashing the phone by yourself, the failure of flashing will affect the warranty of your mobile phone, if the system is abnormal and cannot be effectively solved, we recommend that you can take the time to upgrade the system at your local Lenovo after-sales service center. You can log in to the official website to check the address.

1. If the S720 enters the engineering mode, there will usually be a prompt "Enter the engineering interface, press and hold the normal boot......"If it's this place, let go of your hand and hold down the power button to enter.

2. If you have entered the project mode interface with a lot of English words, then use the volume button to select reboot, and then click the home button (or power button) to confirm, and try to reboot into the system.

3. If there is still no effect, directly remove the battery and re-boot it to observe, if it is still in this mode every time you turn it on, it may be that there is a problem such as the volume button being stuck or the system is wrong, it is recommended to contact the local maintenance site for further detection and processing.

The engineering mode of the mobile phone, as the name suggests, is the mode used by engineers to debug the mobile phone. You can get some base station information in it, such as signal strength, battery status, mobile phone running time, background software running time, and of course, you can also debug WLAN.

Lenovo Official Service Support**:

Lenovo asked.

Make inquiries and find out. Have a great day!

Press and hold the camera button + power button... To enter the engineering mode, keep the camera button held down, and the power button can be released! Wait for 5 seconds and enter recovery mode!!

Press and hold the middle button (main menu key) of the phone to select Clear EMMC and the phone will automatically recover. Wait for 2-3 minutes for the phone to be restored and unlocked successfully!

If you turn it on, it's in the settings, privacy settings (backup data in advance), restore factory settings, and that's it!

Hello. We apologize for affecting your use.

If your phone is turned on abnormally and enters engineering mode, it may be that you accidentally pressed the combination of the power button and the volume button before, it is recommended that you try to remove the battery to force it to shut down and restart it. Note: You can't press the phone's volume keys at the same time.

If you turn on the machine many times and automatically enter the engineering mode, but now you can enter it normally, it is recommended that you back up the important data of the lower fuselage, and then restore the factory settings to see if it can be improved.

If the problem is still there, and now you can't enter the system, you need to send it to the repair station for detection and solution, and it is not excluded that it is an abnormal button or a system abnormality, and the system abnormality needs to be flashed and specifically detected and processed. Due to the risk of flashing the machine and may lead to non-insurance, it is not recommended that you deal with it yourself, please take the time to go to the repair station and the engineer will assist you in testing and processing.

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.

Press and hold the power button to turn on normally. If you have any questions, call Lenovo mobile phone customer service.

Lenovo S720i phone can't turn on when restarted, engineering mode will appear. It is recommended to contact Lenovo mobile phone after-sales testing or redo system.

If the boot is abnormally and enters the engineering mode, it may be caused by accidentally pressing the combination of the power button and the volume button before, or the system is abnormal.

We recommend that you perform the following steps:

1.It is recommended to remove the back cover and battery and try to restart, if it can enter normally, it is recommended to back up the body data and try to restore factory settings;

2.If the above operations cannot be improved, it may be caused by abnormal system files or data loss on the device motherboard, and you need to flash and check the device. Due to the risk of flashing the machine and may lead to non-insurance, it is not recommended to deal with it by yourself, please take the time to go to the repair station to be assisted by the engineer to test and deal with it.

Dear users, hello!

Sorry, the power is not in engineering mode, it may be caused by accidentally pressing the combination of the power button and the volume button, or the system is abnormal.

It is recommended that you try to force the shutdown (such as removing the battery, pressing the reset button, pressing and holding the power button, etc.) and restart it. Note: You can't press the phone's volume keys at the same time.

If the boot automatically enters the engineering mode frequently, it is recommended that you back up the important data of the lower fuselage, and then restore the factory settings to see if it can be improved.

If the problem persists and cannot be solved, it is recommended that you take the time to go to a nearby Lenovo authorized repair station for specific testing and treatment.

Inquire about authorized maintenance sites on the official website.

This needs to be flashed.,I'm not going to teach you!

A factory reset is recommended.

We apologize for the inconvenience.

1.Please check whether the fuselage is automatically turned on and off, and the menu path is: System Settings - Timing Power On/Off, if there is a suggestion to cancel the attempt;

2.If it does not occur frequently and there is no fixed rule, it is recommended to use software such as Le'an Security and 360 Mobile Phone Security Guard to regularly adjust and improve the stability of the equipment system. During use, you can close unused background programs to ensure that there are enough running memory and other resources to support the current program running.

3.Please recall whether it appears under individual software or operations, if so, you can go to: System Settings - Application - All, click on the corresponding software to choose to clear data, or uninstall and reinstall the software or similar software;

4.If you have other batteries, it is recommended that you replace them, and it is not excluded that the battery is abnormal or too short;

5.If there is no significant improvement after the above operations, please back up the fuselage data for factory reset.

In the case of booting into engineering mode, it is usually necessary to press and hold the power button + volume button in the shutdown state to enter this mode, so it may be caused by a failure of the volume button or a system abnormality.

In view of your situation, it is recommended that you contact Lenovo authorized repair sites in time to have them inspected and maintained by engineers, which you can visit.

Find the nearest site. 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.