Retro Gear
Miyoo Mini Plus Review: Still the Best Budget Pocket Handheld in 2026
A 6-month hands-on review of the Miyoo Mini Plus running OnionOS. Screen quality, button feel, real-world battery life, and PICO-8 native performance evaluated.
2 min read
- Score
- 9.2 / 10
- Category
- handheld
- Price
- $65
The Miyoo Mini Plus remains the top sub-$70 retro gaming handheld due to the OnionOS software ecosystem and its vibrant 3.5-inch 640x480 IPS panel. While newer devices offer more raw compute, the combination of instantaneous save-state switching, Wi-Fi Netplay, and native PICO-8 Splore integration makes it the most practical pocket companion for 8-bit and 16-bit emulation.
Hardware Specifications & Build Quality
| Component | Specification | Real-World Performance Note |
|---|---|---|
| SoC | SigmaStar SSD202D (Dual-Core ARM Cortex-A7 @ 1.2GHz) | Full speed on GBA/SNES/PS1; struggles on N64/NDS |
| RAM | 128MB DDR3 | Sufficient for 2D retro cores under lightweight Linux |
| Display | 3.5-inch IPS OCA Full Lamination (640x480, 4:3) | Perfect 3x integer scale for Game Boy Advance and 2x for SNES |
| Battery | 3,000 mAh Li-Po (Removable) | 4.5 to 5.5 hours depending on screen brightness and Wi-Fi usage |
| Storage | Single MicroSD slot (Supports up to 256GB FAT32) | Discard stock generic card immediately; use branded SanDisk/Samsung |
| Connectivity | 2.4GHz Wi-Fi (802.11 b/g/n) | Used for retro achievements, OTA OS updates, and PICO-8 Splore |
Software Architecture: Why OnionOS is Mandatory
The stock firmware included on the factory SD card is sluggish and lacks proper frame pacing. Installing OnionOS 4.3+ completely transforms the hardware:
- Game Switcher (Quick Resume): Pressing the front function button automatically dumps a freeze-frame save state and drops you into a visual carousel of recent games. Switching titles takes under two seconds.
- True Sleep Mode: A quick tap of the power button suspends the Linux kernel, consuming less than 1.5% battery per 24 hours.
- Audio Buffer Latency: Reduced to 32ms, removing the noticeable audio delay present in stock firmware.
Real Emulation Capabilities
- Game Boy / Game Boy Color: Flawless with Gambatte core. Dot-matrix LCD grid overlays look authentic on the 640x480 resolution.
- Game Boy Advance: Flawless 60 FPS using mGBA. 3:2 aspect ratio leaves minor black bars on top and bottom, or can be scaled with pixel-perfect filtering.
- Super Nintendo: Full 60 FPS with Snes9x 2005 Plus. Super FX chip games (Star Fox, Yoshi’s Island) run without frame drops.
- PlayStation 1: Runs approximately 95% of the library at full speed with PCSX ReARMed, including Ridge Racer Type 4 and Castlevania: Symphony of the Night.
- PICO-8: Official Raspberry Pi binary (
pico8_dyn) executes with zero audio crackling and provides functional Wi-Fi Splore cart downloads.
The Drawbacks
- Ergonomics for Large Hands: The vertical form factor can cause hand cramping after 45 minutes of intense action games like Contra.
- No Analog Stick: 3D PS1 games that benefit from dual analogs (Ape Escape) are unplayable.
- Fragility: The edge-to-edge glass screen sits flush with the shell without a raised protective bezel; a waist-height drop onto tile will crack the display.