Since the Powkiddy A20 is a lesser-known, niche device (often confused with the RGB20 or the A12/A13 arcade sticks), this article is structured as an informational guide and a call to action for the community, written in the style of a retro handheld blog.
Upon boot, you will land in EmulationStation.
Start -> Network Settings. This is required for scraping box art.Controller Settings. Set your "Hotkey Enable" button to Select. Set Start as the exit combo modifier.F1 to go to the file manager, then Tools -> Terminal). Type echo 100 > /sys/class/thermal/cooling_device0/cur_state (This sets fan to 100% for testing). Save a script for auto-control later.Does the A20 need custom firmware? Yes. Unequivocally, yes.
Using the Powkiddy A20 on stock firmware is like driving a car with the parking brake on. It works, but it’s a frustrating experience that doesn't utilize the engine's power.
Pros of CFW:
Cons of CFW:
Conclusion: If you own a Powkiddy A20, installing custom firmware is not an option; it is a requirement. It turns a "okay for the price" handheld into a legitimate contender in the budget market. The custom firmware community has managed to polish a rough gem into something genuinely fun and highly functional. For the $60-$80 price point, a CFW-enabled A20 offers one of the best value-to-performance ratios in retro handheld gaming.
Here’s a short narrative based on the search query "powkiddy a20 custom firmware":
Leo stared at the boot loop for the tenth time. The Powkiddy A20’s stock firmware had frozen again mid-way through Crash Bandicoot—emulation stuttering, audio crackling like a Geiger counter. He’d bought the handheld on a whim: cheap, RK3326-powered, with that ugly-but-charming bright yellow shell. But the software was a mess.
He remembered the ritual. Every retro handheld had its ghost: the custom firmware that made it actually good. For the Anbernic RG351, it was AmberELEC. For the Powkiddy RGB10, ArkOS. But the A20? A weird stepchild—same chip as the RK2020, but with a different button matrix and a weird second SD card slot for “media.”
Leo dug through forums at 2 a.m. Discord channels full of cryptic pinned messages. A Reddit post from 14 months ago said “JELOS used to support it, but dropped it due to low demand.” Another user whispered about a “batocera-39-powkiddy-a20-test.img” on an obscure archive server. powkiddy a20 custom firmware
He found it. A developer from Brazil had forked a lightweight version of RetroOZ. No GUI installer, just a raw .img and a one-line instruction: “Write to SD. Boot. Wait 10 minutes. Press B+A at the first boot to calibrate.”
Flashing the card felt like performing a séance. The A20’s screen went black longer than comfortable. Then—green LED flicker. A clean EmulationStation menu popped up. Sleek bezels. Scraper built-in. Dreamcast ran at full speed. The crackling was gone.
Leo loaded Tony Hawk’s Pro Skater 2. The music hit clean. He leaned back, smiling. The A20 was never a great device—just a good one waiting for the right firmware to let it breathe.
Want me to turn this into a step-by-step custom firmware installation guide for the Powkiddy A20 instead?
To understand why CFW is necessary, you have to look at the stock OS. The A20 ships with a basic, often awkwardly translated interface. While it plays Game Boy Advance and NES games reasonably well, it struggles with SNES and arcade (CPS1/CPS2) titles due to poor optimization in the default emulation layers. Audio is often tinny, and screen scaling options are limited. Since the Powkiddy A20 is a lesser-known, niche
The goal of CFW on the A20 is simple: optimize the Linux kernel, improve audio drivers, and allow users to organize their games without the bloatware often found on cheaper devices.
The most active development right now is happening on the EmuELEC fork for the A311D chipset. The specific build you want is labeled EmuELEC-Amlogic-a311d.a20-4.6. Here is what this firmware offers specifically for the A20:
Patched Kernel: The CFW introduces a custom kernel with performance governor enabled by default. It also unlocks the fan controller, allowing you to set a custom fan curve using a script (no more melted fingers on the left grip).
Optimized Cores:
Hotkey Fixes: On stock firmware, the volume keys sometimes conflict with RetroArch hotkeys. CFW remaps these so that Select + Start properly exits games without changing your volume. Step 2: First Boot on the A20
.img or .gz file.