Now R4i-gold 3ds kernel updated to v1.67b, this card marked with "v6.1" can support N3DS V6.1.0-12 perfectly. If you have this card you can update it.If you want to buy a r4 card, recommend you buy r4i gold 3ds.This card updates very quickly, using wood firmware, it is very popular.
Here is r4i-gold 3ds firmware updation:
R4i-gold V1.67b kernel:
1. Support 3DS V5.1 firmware update.
2. Solved games:
6159 - FIFA Soccer 11(Usa)
6158 - Phil Taylors Power Play Darts (Europe)(En)
6157 - Jewel Quest Solitaire Trio (Europe)(En)
6156 - Transformers Dark of the Moon - Autobots (Europe)(En,Fr,Ge,It,Es)
6155 - Transformers Dark of the Moon - Decepticons (Europe)(En,Fr,Ge,It,Es)
6154 - Transformers Prime (Usa)
6111 - Pokemon - Black Version 2 (US)
XXXX - Suite Precure Melody Collection (JP)
XXXX - Pokemon - White Edition 2 (Kr)
XXXX - Pokemon - Black Version 2 (Kr)
XXXX - Pokemon - Schwarze Edition 2 (GE)
XXXX - Pokemon - Versione Nera 2 (IT)
XXXX - Pokemon - Edicion Negra 2 (SP)
XXXX - Pokemon - White Edition 2 (GE)
XXXX - Pokemon - Versione Bianca 2 (IT)
XXXX - Pokemon - White Version 2 (US)
XXXX - Pokemon - Edicion Blanca 2 (SP)
far as i knew, at present, almost all flashcart can support 3ds v6.1.0-11,even some stores provided preflashed 3ds v6.1.0-11 supported card,such as modchipfactory.com,so we dont need updating ourselves. LOL !