GRH78 Bootloader v.JK1 Baseband v.JK8 Yes, there are tons of guides out there, and even one click scripts that can ROOT the SNS (Samsung Nexus S) for you, but none of them go into enough detail for any of them to work properly. Having many android devices working properly via ADB on your computer doesn't automatically guarantees it will see the SNS. So, before jump to the exiting stuff of ROOTing