- First of all you need ADB.
- Then you have to download and install CWM (Clockwork Mod) for FP1 (not any other). Read carefully, what is said on this page. The link provided their doesn’t work anymore, so you need to download CWM from here (don’t click anywhere else than on cwm-fp1-kk.0.1.img).
- Your stock recovery will have been replaced with CWM and you’ll be able to do a full recovery to your SDcard.