Collection of hidden commands that can check the condition of the smartphone

The electronic device is equipped with a special menu used by the manufacturer's serviceman for repair.Of course, smartphones are no exception.Especially on Android, there is a "service mode" that allows you to check the status of the terminal.Let's look at the hidden command that displays the service mode on the Android smartphone.

Hidden command with a smartphone phone application

For the hidden command that enters the "iPhone" service mode, start the phone application and enter " * 3001 # 12345 # *" to press the transmission.Then "Field Test" is displayed.In the service mode, you can check the condition of the caught radio waves, the SIM information, etc.

The hidden command of Sony's "Xperia" was launched the phone app and entered " * # * # 7378423 # * * * *".Then push the transmission button.This will be in "Service" mode.

From "Service Info", you can check the IMEI and the corresponding band.In addition, if you enter " * # 06 #", you can display IMEI and enter " * # * # 7465625 # * * * *" to check the SIM lock.

The hidden command of Samsung Electronics's "Galaxy" launches the Galaxy phone application instead of the Android phone app.If you enter " * # 0 * #" here, you will enter the service mode.

Operation check with the hidden command of the smartphone

In service mode, you can test more than 20 items, such as out of touch and status of various sensors.In addition, if you enter " * # 0011 #" and send it, you can check the line status.

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