Download original menu.ml from: Downloads > Directories Files (k800_R1GB001_files_directories)
After extract on archive open TPA > PRESET > SYSTEM > MENU and copy menu.ml
Use FAR from here (step 2) : Flash K800 CID53 with K810 software CID53 (for begginers) - Top Sony Forums and see 9, 10 and 11 and open TPA > PRESET > SYSTEM > MENU