This is the community standard. It turns the RG300 into what it should have been at launch. It supports Dingux apps, improves battery reporting, and fixes the sleep function. How to Flash Your RG300 (The Easy Way) Warning: This will wipe your SD card. Back up your ROMs and BIOS files first.
If you’ve been in the retro handheld scene for a while, you remember the RG300 . Before the era of the Miyoo Mini and the Retroid Pocket, Anbernic’s RG300 was the king of the budget vertical handheld. It looked like a chunky Game Boy, but ran emulators for everything up to PS1. Rg300 Firmware
Don't let the old hardware gather dust. Flash Rogue today and fall in love with your RG300 all over again. This is the community standard
Note: Do not confuse this with "RetroOz" or "Adam Image"—those are for the RG350 and RG280 series. How to Flash Your RG300 (The Easy Way)