now that you have all 3 files, connect your phone to pc and put the 3 files on you sdcard after that disconnect the usb and power down phone again. now boot into recovery vol up, call key, and tap power, once you in recovery use the trackball and scroll down to backup/restore and push the trackball in to select it, than select Backup, it will take about 5 minutes or so to finish, once that is finish hit the back key. Than scroll down to wipe data/factory reset than confirm it by selecting yes, next go to wipe cache partition than confirm it next go to advance and select wipe delvic cache, now hit the back keyand go to mounts and storage and format boot/system/data/system, hit back and go to install zip from sdcard, choose zip from sdcard than go down to cm7 and select and confirm it, once that finish installing go back to choose zip from file and choose gapps, once finish installing choose zip from file and choose metro-off and select it, once you finish flashing the zip files, choose reboot system now. give it a few minutes to install, do not pull the battery or nothing it might take about 5 minutes or so before it boots up, just be patient.