Phone number is set via settings in device profile, and is only set once during first palm profile association.
Originally Posted by hnnrs1092
To fix use impostah, use it to Reset the Palm Profile, then do not reboot click Cancel (or your apps/data will be wiped), use Activation and re-activate your device with the existing Palm Profile, it will reset the Phone Number to the existing one in the SIM...
If this does not work, use impostah to device override the phone number with the one you want...
Remember if the device is stolen/lost or something, it will send an SMS destroy command to the number on file in the palm profile...