An Honest Review:
I regrettably purchased the GameMT E6 Max during the height of Trump’s tariff war in 2025. Thanks to the de minimis exemption on Chinese products, I came across an article showcasing the E6 Max as a solid budget retro handheld. At around $75 each, I grabbed several with the idea of keeping extras on hand as gifts. The moment I turned it on and ran some tests, my disappointment was immediate. This is the only console I’ve ever bought and genuinely regretted.

The Specs:

The E6 Max looks like a usable retro handheld on paper. It has 4GB of LPDDR4X RAM, 32GB of internal eMMC storage with dual microSD card slots for expansion, and a 5000 mAh battery. It runs Android 13 with community support for GammaOS Next. Connectivity includes Wi-Fi 6, Mini-HDMI output, USB-C charging, and a 3.5mm headphone jack.
The controls promise a lot too. Full Hall Effect analog sticks to avoid stick drift, a “refined” traditional cross D-pad inspired by the Famicom, stacked shoulder buttons with digital triggers, and an ergonomic “large base” design supposedly similar to high-end PC handhelds like the Steam Deck.

The Reality

Out of the box, nothing worked well. The Android 13 system came loaded with various Chinese apps and ran at a snail’s pace. Apps constantly crashed, and I got repeated Android errors whenever I tried running anything beyond the preinstalled software.

Physically, the console felt cheap and uncomfortable. The analog sticks were stiff and unpleasant to use. The D-pad, supposedly an improvement over the previous E6 model, felt mushy and wasn’t fun to use at all. The rest of the face buttons were similarly stiff, making any kind of gaming experience pretty miserable.

After accepting this as a bad impulsive purchase and a learning experience, a year later I discovered that GammaOS had released custom firmware for the E6 Max. I installed the lite edition following their installation guide, and suddenly the handheld actually became usable. I managed to play some Game Boy Advance, SNES, and TurboGrafx-16 games. The only real issue that remained was the poor controls—which no firmware update can fix.

Should You Buy It?

Skip it. There are plenty of better options out there that also support GammaOS and work flawlessly out of the box for the same price or cheaper.

If you’ve already bought one and ended up here, GammaOS is genuinely your best solution for making it functional. But if you haven’t purchased yet or have other options available, go with something else instead.