Best to get one cash from best buy so its not tied to your identity and then flash it yourself so you arn't trusting a third party. Its super easy if you just follow a tutorial online like nostr:nprofile1qqspnzgrfett3asxcuj0gksje6z2zxzpvgd27uvz58m9vsuqh8zzw6cpremhxue69uhhyetvv9ujuet49emks6t5v4hx76tn...