Welcome to the free software section here I've listed a few downloads for the GX15 all been tested and work great.

Please note: you will need winzip or winrar or any other unzipping program to unzip these files and use them at your own risk!

GX15 Upgrading Tool - (now this tool is a must need it flash's your phone with different firmware also you can fix your phone with this from a bad unlock USB driver are with this as well.)

All Sharp - (Use this if you want to try to unlock your phone with bluetooth)

Flash File - (GX-L15+A0246+mot this one is NON vodafone so no menus will be in vodafone more flash files Here)

Furious Sharp GX15-GX30 TM100 Unlocker - (this will unlock your GX15 plus GX30)

USB Drivers - (A Must need for your USB Cable download and install before using any other program)

Modem Driver for GX15 - (Now I've never used this but someone might)

User guide for the GX15 mobile phone - (It says what it means ;-) PDF format)

Also if you would like to know more about this phone Visit Here