PANTECH

*01763*737381# - master reset (user data, user code) without SIM
*01763*8371# - SW version
*01763*6371# - UNLOCK
*01763*3641# - Menu

Pantech HX-550C (cdma)

Full reset (phone code reset)- ##03*934#9367*192#397#7412569746 PWR,
after reset - ##27732726 PWR and select "with uim"