“ Originally Posted by dluckychance 
”
I am having the same problem...no system/preformance tab.. installed many times and it won't show up...my phone is the touch elfin from rogers and locked...
went back to using BatteryStatus.
there should be one i dont understand why there isnt one for you unless this only works on the cdma versions of htc phones which would surprise me since the only people having troubles are gsm users.