Secret codes for Karbonn A3
*#987*99# = Its for Restore Factory Settings
*#06# = Its for Shows IMEI Number
*#110*01# = Its for Shows Engineering Mode
*#987# = Its for Shows factory Mode
*#900# = Its for Check Software Version
*#800# = Its for Shows Software Version
*#369# = Its for Change LCD Contrast
**#0000# with [Press Green Or Dial Key] = use This for Set Default Language
**#0007# with [Press Green Or Dial Key] = use This for Russian Set Language
**#0033# with [Press Green Or Dial Key] = use This for Set French Language
**#0034# with [Press Green Or Dial Key] = use This for Set Spanish Language
**#0039# with [Press Green Or Dial Key] = use This for Set Italian Language.
**#0044# with [Press Green Or Dial Key] = use This for Set English Language.
**#0049# with [Press Green Or Dial Key] = use This for Set German Language.
**#0066# with [Press Green Or Dial Key] = use This for Set Thai Language.