How to Diagnose Mobile Phone Problem – Diagnostic Codes. Learn How to Diagnose Common Mobile Phone Problems with Secret Diagnostic Codes. Diagnostic codes, also called, secret codes, help to get a closer look at the inner functionality of a phone. Most mobile phone repairing technicians use these diagnostic codes to trouble shoot mobile phones and…

Secret Codes for Android Mobile Phones – These secret codes are very helpful to test several features of android mobile phones and can be used for diagnosis and troubleshooting. Secret Codes for Android Mobile Phones Many people are searching for secret codes for Android Mobile Phones. Many website provide correct information while others provide false…