SOME CHINA SECRET CODES

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*#4960# send ----> info
*#3210# send ----> sp lock
*#2820# send ----> version
*73738# send ----> hardware reset
Other codes :

*#2220# send ----> reset to default
*#2634# send ----> unlock gprs settings
*#1110# send ----> special net unlock
*#8140# send ----> net lock
#4960*code# send ----> unlock
#4960*code*code # send ----> unlock