You can check mobile sensors by dialing specific diagnostic codes on your device's phone dialer, which access hidden test menus.
Many mobile phones include built-in diagnostic tools that can be accessed by entering special codes into the phone's dialer application, similar to making a call. These codes trigger tests for various hardware components, including sensors.
Using Diagnostic Codes
Entering these codes usually opens a hidden service menu or a direct test for a specific component. The exact codes can vary depending on the phone manufacturer and model.
One specific example of such a code for sensor testing, as referenced, is:
- *#0589#: This code allows you to perform a light sensor test on your device. Entering this code can help you identify potential issues with the light sensors on your device by initiating a dedicated test procedure.
When you dial this code, your phone's software should launch a test mode specifically designed to check the functionality of the ambient light sensor, which is typically used for features like automatic screen brightness adjustment.
While the *#0589#
code is specific to the light sensor test as per the reference, other codes exist across different brands (like *#0*#
which often brings up a comprehensive test menu including various sensors like accelerometer, proximity, gyroscope, etc.). However, *#0589#
is confirmed for testing the light sensor.
Steps to Check a Sensor Using a Code
- Open your phone's dialer application.
- Enter the specific diagnostic code (e.g.,
*#0589#
). - Tap the call button (you are not actually placing a call).
- A hidden test menu or the specific sensor test (like the light sensor test for
*#0589#
) should appear. - Follow the on-screen instructions within the test mode to check the sensor's functionality.
These tests provide a direct way to verify if your phone's sensors are working correctly without needing third-party applications.