R36H ProMax

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R36H ProMax
Specification
BrandManufacturers: Other
Release Date10/2025
Form FactorHorizontal
SoCRK3326
RAM1GB
Screen Size4"
Resolution1024x768
Aspect Ratio4:3
Screen TypeIPS
OSLinux
WiFiYes
Video OutputNone
3.5mm Audio JackYes
Battery3500mAh
Edit specs
Pros & Cons of the R36H ProMax
✅ Pros ❌ Cons
  • Plastic feels nice
  • Cheap price
  • Big screen
  • Poor quality control (my device came with a broken R1 button)

Performance[edit]

SNES GBA PS1 NDS PSP N64 DC Saturn GC PS2 3DS Wii

These compatibility lists should apply to all devices with the Rockchip RK3326.

Big thanks to Batou for all the work he has put into this!

https://github.com/GazousGit/R36S-Game-Compatibility-Lists

  • Atomiswave ~43%
  • Dreamcast ~59%
  • Nintendo 64 ~63%
  • Nintendo DS ~80%
  • Sega Saturn ~47%
  • Sony PSP ~75%

Price[edit]

~$40

Get the R36H ProMax:

↪ Handheld Buying Guide

1 Buying through these affiliate links helps support the wiki. Your price stays the same. Commissions go toward devices, testing, documentation, and server costs.

Colors[edit]

  • More Images[edit]

    Disassembly and Shoulder Buttons Fix[edit]

    This is how to fix the broken shoulder button that lots of people are reporting out of the box.

    • Remove the 4 back screws and gently disassemble the front and back shell (with a guitar pick or your fingernails). Then disconnect the battery connector.
    • Closer look at the mainboard
    • Closer look at the SoC and RAM chips
    • Closer look at the mainboard number
    • Time to remove the shoulder buttons

    Here's how to remove the L2/R2 buttons:

  • Remove the screw that is holding the support piece and the L1/R1 buttons
  • Closer look at the support piece with the L2/R2 membrane and the shoulder buttons
  • This button is working fine
  • Found the problem with the other button. It's stuck in its metal casing
  • Time for some precision repair with my professional tools aka random screwdriver. Wiggling a little and applying a little force freed it from its stuck position.
  • But I applied a little too much force and almost broke the button off, so I used some cardboard in the back and under the button for extra support.
  • It's finally clicking again!

  • Re-assembling:

  • Looking good. Don't mind the 2 little plastic pieces that magically appeared during this whole process. I don't even know where these broke off.
  • Final test:

  • The noise and stiffness of the shoulder buttons isn't 100% equal, but everything is working again and I can finally enjoy this little budget handheld.

    R36H ProMax vs R46H[edit]

    Blue device is the R36H ProMax. Black device is the R46H.

    More Information[edit]

    Internal name is R45H, but aliexpress sellers have them listed as R46H PRO, R36HPROMAX or R36H ProMax.

    Might have the same mainboard as the R42pro.

    Has an FN button unlike the R46H.

    Manual[edit]

  • Included manual
  • Packaging[edit]

  • Videos[edit]

    Firmware[edit]

    ↪ Firmware Flashing Guide

    StockOS[edit]

    Boot partition "R40XX-OS 64G" files: ⬇️ R40XX-OS 64G BOOT partition files

    Stock OS firmware image: ⬇️ R46H 测试卡 16G .img (14.44 GB)

  • R36H ProMax bootlogo - "RETROID BOY"
    • WiFi works fine
    • Portmaster works fine
    • Scraper is not working (restarts EmulationStation)
    • FN Button does not work (not recognized in RetroArch)
    • Has the Game Console Factory Test Suite
    • R4XX-ALEKFULL-SOLO-ARKOS is the standard theme

    ArkOS[edit]

    Use the RG351MP version. Mirror: MediaFire.

    FN button is currently not supported. For fixing wifi, use the two dtb files below.

    Boots fine after changing the rg351mp-kernel.dtb file and rk3326-rg351mp-linux.dtb from here: ⬇️ dtb files @MediaFire

    ArkOS R3XS[edit]

    Community maintained ArkOS version for the most popular "Game Console" handhelds. Use the R46H / R45H / R42 PRO / R40XX / R40XX Pro Max version.

    ArkOS - R3XS
    ArkOS - R3XS
    Latest version ArkOS-R3XS.png
    Download ⬇️ GitHub
    Documentation / FAQ ArkOS Wiki & Setup Guide
    Hotkeys Global & Emulator Event Keys
    Officially Supported Devices
    Devices list (click to expand)