*#110*01# show Enter into Engineering Mode
*#987# show Enter into factory Mode
*#987*99# show Restore Factory Settings
*#900# show Check Software Version
*#800# Check Software Version
*#369# Change LCD Contrast
Some Default User Codes : 1122, 3344, 1234, 5678
How to change language on your Micromax mobile:
**#0966# + Dial : use Set Language to Arabic
**#0000# + Dial : use Set Default Language
**#0044# + Dial : use Set Language to English
**#0033# + Dial : use Set Language to French
**#0049# + Dial : use Set Language to German
**#0039# + Dial : use Set Language to Italian
**#0007# + Dial : use Set Language to Russian
**#0034# + Dial : use Set Language to Spanish
**#0066# + Dial : use Set Language to Thai
**#0084# + Dial : use Set Language to Vietnamese
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