R4i Gold 3DS RTS (r4ids.cn) is a slot-1 type flashcard for Nintendo New 3DS, 3DS LL, 3DS XL, 2DS, DSi, DS Lite, DS which can be used to play NDS games, not 3DS games. This product supports NTRBootHax (aka Magnethax) which enables custom firmware install on any version of 3DS! Compatible with these firmwares; the latest 3DS V11.6.0-39U/E/J/K, V11.5.0-38U/E/J/K, V11.4.0-37U/E/J/K, V11.3.0-36U/E/J/K, V11.2.0-35U/E/A/J/K, V11.1.0-34U/E/J/K, V11.0.0-33U/E/J/K, V10.7.0-32U/E/J/A, V10.6.0-31U, V10.5.0-30U/E/J/A, V10.4.0-29U/E/J/A, V10.3.0-28U/E/J, V10.2.0-28U/E/J, V10.1.0-27U/E/J, V9.9.0-26U, V9.8.0-25U, V9.7.0-25U/E/J, V9.6.0-24U/E/J, V9.5.0-23U/E/J, V9.5.0-22U/E/J, V9.4.0-21U/E/J, V9.3.0-21U/E, V9.0.0-20U/E, v8.1.0-19, V8.0.0-18U, V7.2.0-17U, V7.1.0-16U, V7.1.0-15u, V7.1.0-14u, V7.0.0-13U, V6.3.0-12 and DSi v1.4.5. Also back compatible with 3DS V6.1.0-12, V6.0.0- x, V5.1.0-11, V5.0.0-11, V4.5.0-10 , V4.4.0-10, V4.3.0-10, V4.2.0-9 ,V4.1.0-8,V4.0.0-7, V3.0.0-6 and DSi V1.4.4, V1.4.3. Features: