I did a really stupid thing and I deleted system and internal memory...and when I did that i had no external sd mounted...I'm on scanno twrp 2.6.3.0 cand smb plz help me...I downloaded a rom and placed it to my sd card and mounted while in recovery ...but nothing happpend...I really need my tablet to work for tomorrow and the usb didn't work so i wanted to delete and reinstall everything...didn't expected to happen that...any solution? I installed twrp through terminal emulator so I don't know if fostboot wil work?