Earlier today i have released the news How to update your ace3ds plus to work on 3DS V4.4.0-10, a few hours later, r4i sdhc 3ds card from r4i-sdhc.com has also released the update patch for 3DS V4.4.0-10. means this card can also work on the new 3ds firmware now. feel free to update your r4i sdhc 3ds card to work on the 3Ds V4.4.0-10, i have confirmed it is working.
until now, almost all the popular cards have released the update patch or new firmware to support 3DS new firmware. including supercard dstwo, r4i gold 3ds from r4ids.cn, ace3ds plus, r4i sdhc 3ds from r4i-sdhc.com, if you want to buy a flashcart for your 3DS or 3DS XL, just choose one if them as you like. and only acekard 2i team hasn't released the update patch yet. hope they will release the update patch soon.
how to update r4i sdhc 3ds card to work on 3DS V4.4.0-10
You will need to get a DS or non updated DSi console to do the update, download the latest r4i sdhc 3ds firmware, extract it and put all the files in the root fo your sd card, put the sd card and r4i sdhc 3ds into your ds console, turn on and start updating. here is a step by step guide for you: Tutorial: How to update R4i SDHC 3DS card to work on 3DS V4.4.0-10
The icon will be also changed to Metroid Prime Hunters DEMO header.
Do yourself a favor, don't buy crappy flashcarts.