: Use a tool like Rufus to flash the GSM Pack v2.6 ISO onto a USB drive (at least 8GB recommended). Boot from USB
The "GSM Pack" was a collection of scripts, binaries, and lookup tables. Version 2.6 was notable for including: gsm pack v2.6
Before installing v2.6, ensure you have: : Use a tool like Rufus to flash the GSM Pack v2