How likely it is to mess everything up during GrapheneOS installation?

I decided thet I want to buy a pixel and to install grapheneos on it. Could I mess everything up following this guide? My biggest fears are not being able to install the os after nuking the default, and also buying a non-OEM-unlocked pixel by mistake.

  • All
  • Subscribed
  • Moderated
  • Favorites
  • random
  • uselessserver093
  • Food
  • aaaaaaacccccccce
  • [email protected]
  • test
  • CafeMeta
  • testmag
  • MUD
  • RhythmGameZone
  • RSS
  • dabs
  • Socialism
  • KbinCafe
  • TheResearchGuardian
  • oklahoma
  • feritale
  • SuperSentai
  • KamenRider
  • All magazines