DL manuals M.T.T. Cell Phone Super Robust User Manual M.T.T. Super Robust User Manual - Super Robust User Manual 1234567891011121314151617181920212223242526272829 Page of 29 Go Download Print this page Bookmark us EN 02 SUPER ROBUST USER MANUAL Instruction on waterproof performance To ensure phone is waterproof , make sure the rubber cover on USB interface and SIM Card are tightly closed before contact with water. EN « ‹ Prev1234567Next › »