The upgrade firmware of R4itt 3DS card for 3DS 6.2.0 has been officially released! With its latest upgrade patch, the R4itt 3DS cardcan be updated to be compatible with 3DS V6.2.0-12U/E/J.
Firmware Upgrade File for R4itt 3DS Card: Download
Kernel for R4itt 3DS Card: Download
Note: You should update your R4itt 3DS cards on the 3DS system version lower than 6.2.0 or a DSi/DS Lite/DS console.
Here is a good news, the flashcarts online store, Dwtechz.com provides pre-flashed R4itt 3DS cards, you do not need any update or patch.
The rts function has been added to the R4itt 3DS cards, so you can also enjoy RTS function with R4itt 3DS cards when you play games.