Installing RetroPie on CM4 eMMC with RetroFlag GPi CASE 2

Installing the regular Raspian : r/retroflag_gpi

Original Retroflag GPi CASE Gameboy for Raspberry Pi Zero W with Safe Shutdown - AliExpress

Retroflag GPi CASE 2 Deluxe Edition with Dock for Raspberry Pi CM4

GPi CASE 2 - Retroflag

RetroFlag GPi Case 2 Deluxe for Raspberry Pi CM4 and Kits

Installing RetroPie on CM4 eMMC with RetroFlag GPi CASE 2

Installing RetroPie on CM4 eMMC with RetroFlag GPi CASE 2

Flash Raspberry Pi OS to eMMC of the CM4

Installing RetroPie on CM4 eMMC with RetroFlag GPi CASE 2

IN stock Original Retroflag GPI/rasperberry pi case /GameBoy pi Original-Kit Compatible with Raspberry Pi Zero and Zero W - AliExpress

If you have an EMMC CM4 (built in storage), you'll need to flash the RetroPie/Recallbox image to the onboard storage and install the patch using an IO board. Confirmed from RetroFlag support.

Retroflag Support

Retroflag GPi