Here are few tips and things to know about your Smartphone…
Finding the IMEI number of your phone.
Typing the code *#06# in the call dialer of the phone shows the IMEI (International Mobile Station Equipment Identity) number of the phone which is unique for each phone. Do not share your mobile’s IMEI number with anyone.
Finding the SAR (Specific Absorption Rate) limit level information of your phone.
Typing the code *#07# in the call dialer of the phone shows the SAR limit level information of your phone.
Testing LCD, hardware and other parts of your phone.
Through typing the code *#0*#( ONLY FOR SAMSUNG PHONES) or *#7353# in the call dialer of the phone you may test your phone’s LCD, hardware and other parts.
Finding the software or firmware version installed in your phone.
Typing the code *#1111# in the call dialer of the phone shows the software or firmware version installed in the phone.
Finding the hardware version of your phone.
Typing the code *#2222# in the call dialer of the phone shows the hardware version of the phone.
Finding the PDA and phone firmware information of your phone.
Typing the code *#1234# in the call dialer of the phone shows the PDA and phone firmware information such as AP, CP and CSC version of the phone.
You may use the code *#12580*369# to know both software and hardware information in one screen.
Knowing the status information of your GSM network.
Typing the code *#0011# in the call dialer of the phone shows the status information of your GSM network like registration status, GSM band, etc.
Knowing the battery status like battery level, temperature, voltage, etc of your phone.
Typing the code *#0228# in the call dialer of the phone shows the battery level of your phone.
Controlling packet loopback settings.
Through typing the code *#0283# in the call dialer of the phone you can control packet loopback settings of the phone.
Controlling various diagnostic options.
Through typing the code *#9090# in the call dialer of the phone shows you can control various diagnostic options of the phone.
Knowing camera firmware of your phone.
Typing the code *#7412365* in the call dialer of the phone shows the camera firmware of the phone.
For advanced information you may use code *#34971539#.
Tweaking USB settings of your phone.
Through typing the code *#0808# in the call dialer of the phone you can tweak the USB settings of the phone.
Entering into System Dump mode to enable fast dormancy, boost network speed, etc.
Through typing the code *#9900# in the call dialer of the phone you can enter into the System Dump mode in the phone.
Knowing touch screen (TSP and Touch Key) firmware information of your phone.
Typing the code *#2663# in the call dialer of the phone shows the touch screen firmware information of the phone.
Resetting total call time.
Through typing the code *#22558463# in the call dialer of the phone you can reset the total call time of the phone.
Knowing and changing Sales code of your phone.
Through typing the code *#272*IMEI# in the call dialer of the phone you can know and change sales code of the phone but it can be dangerous.
For doing this , first you will have to replace the IMEI string of the code with correct IMEI number of your phone.
Inserting Network Lock Control Key Code.
Typing the code *#7465625*638*# in the call dialer of the phone allows you to insert Network Lock Control Key Code.