909 Dual * # 06 # displays IMEI (International Mobile Equipment Identity) code * # 0000 # Set the menu in English * # 3370 # set Enhaced Full Rate (mode improves sound quality) # 3370 # turns off Enhaced Full Rate * # 9000 # to enter the SIM lock code * # 9001 # to enter the corporate lock code (Bosch 908) * # 9002 # to enter the provider lock code (Bosch 908) * # 9003 # to enter a network lock code * # 9004 # to enter the subset lock code * # 9100 # to remove the SIM lock code * # 9101 # to remove the corporate lock code * # 9102 # to remove the provider lock code * # 9103 # to remove the network lock code * # 9104 # to remove the subset lock code * # 3262255 * 8378 # (* # DANCALL * TEST #) to open a secret Engineering menu. (Menu 10) 10. Engineering 10.1 MS Info 10.1.1 on 10.1.2 off 10.2 Software details 10.2.1 Software version 10.2.2 EEPROM version 10.2 Test / Production details 10.3.1 Hardware data 10.3.2 Production data 10.3.3 Service data 10.3.4 Mechanical data