This is my full tutorials on how to root and upgrade your G1. This tutorial will show you how to root your phone, upgrade your recovery, install the “Danger SPL” & upgrade your Rom. @ the time of this posting, the most recent Recovery was AmonRa’s 1.70 and most Recent Rom was Cyanogenmod 4.2.15.1 Prerequisites: - A G1 / HTC Dream - Minimum of 1GB SD Card (class 6 is preferable). Backup any files on the SD Card as you...