The universal unlock code is *2767*637# do this with out your sim inBy 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 too :-( ..
well, guess what, i have very good news for you,
do you know, you can increase the sound level,
the sound level for tones, speaker fone, etc,
can be increase even then if it is at max (level 4)
you still can do it,
just follows the instructions!
