Android system engineering mode translation, how to enter the engineering mode of Android

Engineering mode is also known as recovery mode, card mode, and recovery mode.

Manual entry method:

Press and hold the volume up + power button at the same time when the power is off, and release your finger to enter when the screen lights up. (Usually most models).

In the shutdown state, press and hold the volume + home button + power button at the same time, and release your finger to enter when the screen lights up. (Samsung models).

In the power-off state, press and hold the volume up + volume down + power button at the same time, and release your finger to enter when the screen lights up. (Coolpad model).

In the shutdown state, press and hold the volume up + power button at the same time, wait until the screen lights up, enter an interface, and then press the power button again or press and hold it again after holding it down to enter the REC. (Some models of LG).

Power on button + volume up or down key.

1Android system has an engineering test mode that is open to most players, in this mode, although you can't really experience all the functions of engineering mode, but some basic functions are still available, especially practical battery testing, CPU testing, etc.

2. The following takes battery testing as an example to teach you to quickly enter the engineering test mode.

3 First enter the dialer "dialer" interface of the operating system, and enter * * to quickly enter the engineering test mode of Android. There are four options in the menu: mobile phone information, battery information, battery history, and usage statistics (there may be differences in the expression of different versions of ROM), 4Click on the second battery information to enter, you can see the current battery usage status, including power level, battery status, temperature, battery material, voltage and other information.

01 First enter * * in the dial pad after Xiaoyuan can directly enter the engineering debugging interface, the general Android phone is this way, if you can't enter, please find the method to enter the engineering mode of the model of mobile phone. The Huawei phone I am missing is*

02 And then there's the engineering mode. interface, in the test interface we can see the following information.

03The first item is the interface of "Mobile Phone Information". Here we can get the IMEI, mobile phone number, current mode, signal strength and other underlying hardware status information.

04The second item shows the "Battery Information" interface, where we can read the battery voltage, health status, and the operating time from start to this time.

05 In the third item "Usage Statistics", you can see the total length of time the software has been running and the statistics of the number of times it has been used.

06Finally, in the "WLAN settings", you can do some WLAN debugging, mainly to check the saved wifi setting information of the machine, WLAN status, and ping test.

Special Tips

If you are not very clear about the settings inside, please do not change them at will, otherwise it may cause irreparable losses.

You can do it as follows:

1. Find the "**" app that comes with your phone and tap to open it.

2. Open the dialpad of the mobile dialing app.

3. Enter the ** of the corresponding model of your mobile phone in the dial keypad.

4. Then you can directly enter the engineering debugging interface.

Press and hold the [Volume Key—] while the power is off

Then press the [Power button] to enter the bootloader state, and select the recovery option.

Volume button + — select, power button to confirm), remember to be powered off!

What brand of machine you have is generally the power button + on the volume.