Battery check could drain the battery fully and sometime damage it altogether What are the steps to use the code?.

You can access internal working of the phone and can also root your device which might negatively impact your phone warranty.

You can validate the IMEI (International Mobile Equipment Identity) and serial number without opening the phone – helpful if you want to network unlock your phone as this is the key information required to retrieve the unlock code.

The software and hardware information is readily available on the screen so you can check the phone specs.

As mentioned in the above list you can test if the phone components like screen, mic, speaker, camera, wifi, battery, GPS you are trying to diagnose are fully working – helpful when you are planning to buy a used handset and want to do quick checks.

Please ensure you are aware of them before you use any of the Android codes so you are well informed. Like everything, there are pros and cons to using these Android codes.

Earphone Mic Test Pros and Cons of using Android codes.

To give you an idea of what components could be diagnosed with the help of the codes we have listed some of them below:

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