d800 thinks its d802

Im on twrp 2.8.6.1 i downloaded wrong firmware when something went wrong im rooted and i have a d800 phone AT&T what can i do? It also seem that the twrp version i have wants to do its own thing its not working right. I can get into download mode if i have to but do i need to download 802 files now. Phone doesnt recognize 800 dll files

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