TTi DSTTi or DSTT TT are manufactured from www.ndstt.com. TTi can be used for Nintendo 3DS, DSi XL, DSi V1.4.3, DSi, DS Lite and DS. Each DSTTi cart has a unique hardware serial number which can be checked at ndstt.com. DSTT can be used for Nintedo DS Lite and DS only.
NDSTT.COM has stopped DSTT & DSTTi production, and there are only few original flashcards in stock.