Most “R4 Revolution” carts sold after 2010 are fake clones with different hardware IDs. The original R4 firmware won’t run on them — you’d see “Loading…” forever or a white screen. This led to endless user confusion.
— Obsolete hardware, crippling 2GB limit, no official updates since 2009, and needs a community kernel to even be usable. r4 revolution for ds firmware
Certain games supported Download Play even from a ROM, thanks to the firmware’s handling of the DS’s wireless protocol. Most “R4 Revolution” carts sold after 2010 are
The original R4 firmware (v1.08–1.18) was minimal but rock-solid. Unlike later YSMenu or Wood R4 (which came after), the stock R4 menu was basic: list of files, press A to launch. No fancy skins by default, but it worked without random crashes for 95% of clean ROMs. — Obsolete hardware, crippling 2GB limit, no official
A popular alternative kernel by RetroGameFan often used to bypass "timebombs" (software-level expiration dates) found on many clone cards like the R4i-SDHC. How to Install R4 Firmware