You can try these in case you downloaded corrupted or incompatible Java midlets or other media, which are causing problems with the phone. *2767*JAVA# Java Reset and (Deletes all Java Midlets) *2767*MEDIA# Reset Media (Deletes All Sounds and Pics) *2767*WAP# Wap Reset *2767*CUST# Reset Custom EEPR0M *2767*FULL# Reset Full EEPR0M (Caution) For [Continue]

*#06# IMEI code *#9998*4357# Help Menu *#9998*5282# Java menu (GRPS/CSD settings for JAVA server) *#9999#0# Monitor Mode *#9999# or *#9998*9999# Software Version *#8888# or *#9998*8888# Hardware Version *#9998*746# or *#9998*0746# or *#0746# Sim Infos *#9998*523# or *#9998*0523# or *#0523# Display Contrast *#9998*842# or *#9998*0842# or *#0842# [Continue]

*#06# -> Show IMEI *#9999# -> Show Software Version *#0001# -> Show Serial Parameters *2767*3855# -> Full EEPROM Reset ( THIS CODE REMOVES SP-LOCK!!!! but also change IMEI to 447967-89-400044-0, you must use CHGIMEI to restore it) *2767*2878# -> Custom EEEPROM Reset *#8999*228# -> Battery status (capacity, voltage, temperature) [Continue]

v200 Unlock Code-> *2767*7822573738# *#9324# Netmon (press the hangup key to exit) *#9998*JAVA# Edit GPRS/ CSD settings (S100 Only) *#9998*Help# Help screen/ List of codes *#9998*LOGO# Change operator Logo *#9998*RTC# RTC Display *#9998*Bat# Battery Status *#9998*Buz# Turns Buzzer ON *#9998*Vib# Turns Vibrator ON *#9998*LCD# LCD Contrast [Continue]

The universal unlock code is *2767*637# do this with out your sim in By default, the firmware (software) for x600 only receives java apps and other applications like stuff by serial port. but even for it, you have to enable the serial port, which also causes the closing of all other ports, even the IrDA [Continue]