Nokia 3 in 1   Maintenance Instrument  for Nokia

Features:
- Maintain Nokia GSM mobiles bugs and accidents caused by software.
- Update mobile version to change its language, and repair the IMEI.
- Repair "SIM unacceptable", "Contact Service", "Wrong SW Version" etc. problems caused by changing Audio-chip, EPROM or EEPROM.
- Repair Problems such as "Power failure", "No display", "Can find the Net"
- Repair the IMEI changed by changing EEPROM
- Repair 4 locks closed