Dancall formet code

*#06#                IMEI
*#9999#            firmware
*#9998#            configuration
*#9997#            selftest
*#9994#            serial number (DANCALL HP 2731)
*#9993#            adding "Engineering functions"

*#9990#            battery monitor
M1599955         time to discharge

*#9000#           SIM Lock
*#9001#           Group SIM Lock
*#9002#           Operator SIM Lock
*#9003#           Network SIM Lock