Oops
I think I pretty much did the same thing.
Few days ago I got root with the RecoveryFlasher.apk, was successful and tried a few different roms before settling on the
JACMyTouchSkiv2.5.2 rom. After rebooting that and playing around with it, I loved the rom initially with the given widgets and look but not everything was functional (I couldn't toggle the BT or WiFi, auto tilt wasn't working, and more). So thinking I did something wrong or "forgot" a step in the rooting process, I came across this thread in my searches on doing the one-step root method.
So, in my desperation to get the rom fully functional on my MyTouch, I failed to heed the warning in big red letters (not thinking it would brick my phone) and followed the instructions anyways. Most of it I had already done with the RecoveryFlasher.apk but I never flashed it with an spl. Not doing more research ahead of time, I flashed my G2 with the SPL step and when I rebooted, brick.
Phone won't turn on at this point and I'm looking for options. If I pull the battery and then plug it in, the orange charging light comes on. If I try to reboot (Home+Power), the light flashes a dim red and then nothing. Light turns off for awhile completely. I even tried Call+Menu+Power and VolDown+Power. No life, no worky worky. Orange charging light won't come on either while plugged in at this point. I have to unplug the phone, pull the battery, let caps drain, put the battery back in, and then plug it back in for the orange light to come back on. So it SEEMS like it's trying to do something after I push the power on (like it's in an infinite loop) but alas, nothing happens.
I'm all ears for any options at this point. Even for a plausible story to tell my local T-Mobile store to allow for an exchange. I have insurance on the phone as well so I'm sure I could get an exchange that way as well, probably for a small fee but free is preferable =P
Anyways, I'm a big dummy for not reading ahead and not heeding the warnings in the initial post. I would suggest to David to alter the warning or add to it to be more straight forward and blunt with something like "INSTRUCTIONS FOR G1/DREAM ONLY!! ALL OTHER MODELS WILL BE BRICKED" to hopefully get people's attention a little more. Maybe also add something to the SPL step of the instructions noting that users with MT3G/Sapphire HTC phones have reported bricking their phone with this step.
Thanks for any help ahead of time =)
-Dennis