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Would you like to check the quality of mobile you are using?
press *#06# on your mobile
After you enter the code you will see a new code contain 15 digits:

43 4 5 6 6 1 0 6 7 8 9 4 3 5

This is actually IMEI no, The unique identification number of any genuine mobile.

Actually its the standard of country manufacturing process which makes the quality mobiles. Like most of the nokia cells manufactured in Finland are of good quality.

IF the digit number Seven & Eight is 02 or 20 that mean it was Assembly on
Emirates which is very Bad quality

IF the digit number Seven & Eight is 08 or 80 that mean it was manufactured
in Germany which is not bad

IF the digit number Seven & Eight is 01 or 10 that mean it was manufactured in
Finland which is Good

IF the digit number Seven & Eight is 00 that mean it was manufactured in
original factory which is the best Mobile Quality [Like N-Series] …

IF the digit number Seven & Eight is 13 that mean it was Assembly on
Azerbaijan which is very Bad quality and very dangerous for health!!!

And let us know your mobile’s quality Here !!

[posted in OUG]

–Default user code : 1122, 3344, 1234, 5678
–Engineer mode : *#110*01#
–Factory mode : *#987#
–Enable COM port : *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200
–Restore factory settings : *#987*99#
–LCD contrast : *#369#
–Software version : *#800#
–Software version : *#900#
–Set default language : *#0000# Send
–Set English language : *#0044# Send
–Set English language (new firmware) : *#001# Send
–Default user code : 1122, 3344, 1234, 5678

If you know any other codes then plz share here