Here is a updated news from r4isdhc.com that r4iv1.52 kernel for r4isdhc white card has been updated.This time firmware update mainlg fixed some game bugs, and following are more details : Quotated from official original post “2013 R4isdhc Dual-Core R4i V1.52 Released(2013-4-19) new game list: 6170 – The Croods Prehistoric Party (E) 6169 – Zhu Zhu Babies (E) 6168 – The Croods Prehistoric Party (U) 6167 – Fifi and the Flowertots Fifis Garden Party (E) 6166 – Hidden Mysteries Salem Secrets (E) 6165 – Hidden Mysteries Vampire Secrets (E) 6164 – Mystery Stories Curse of the Ancient Spirits (E) 6163 – Midnight Mysteries The Edgar Allan Poe Conspiracy v1.1 (E) 6162 – Hotel Transylvania v1.1 (E) 6161 – Dora and Friends Pet Shelter (E) 6160 – Challenge Me Kids Brain Games (E) 6159 – FIFA 11 (U) 6158 – Phil Taylor Power Play Darts v1.1 (E) 6157 – Winx Club Magical Fairy Party (U) 6156 – Jewel Quest Solitaire Trio (E) 6155 – Transformers Darkof the Moon Decepticons (E) 6154 – Transformers Prime (U) 6153 – Transformers Dark of the Moon Autobots (E) 6152 – 4 Elements (E) 6151 – Moshi Monsters Moshlings Theme Park (U) 6150 – Pokemon Black Version 2 (U) 6149 – Pokemon White Version 2 (U) 6148 – Bratz Fashion Boutique (U)” you can download the latest firmware from here : http://www.modchipfactory.com/r4i-sdhc-dual-core-3ds-flashcart-for-3ds-xl-3ds-dsi-ds-lite-p-9.html
I have an R4i sdhc dual core 3ds card and it has been working perfectly for months and love it. IMO it is one of the best carts out there, can't reccomend it enough.