SOME 2011 GSM SOFTWARE CODES.

Listed below are some GSM software codes to help you solve some software problems encountered in your mobile phone.
These are the codes:
1. How to know phone manufacturing and expiring date.
One thing is to know when your mobile phone is manufactured and the other is to know when it will expire.
It is good for you to know when your mobile phone is manufactured.
It is also good to know the expiring date of your mobile phone.
To know these things is very simply.
Procedure: In your mobile phone press *#92702689#
That all!.
2. How to reduce call rate.
To reduce the call rate of these networks in Nigeria, just do this.
Procedure:
ETISALAT >> For Etisalat users just press *220*1# then send.
AIRTEL >> For Airtel users just press *210*10# then send.
GLO >> For Glo users just press *103*1*1# then send.
3. How to remove voicemail action from your phone.
To do this just press ##002# then send.
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