R36H ProMax: Difference between revisions

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Peeweegayman.com
Peeweegayman.com
== Disassembly and Shoulder Buttons Fix ==
This is how to fix the broken shoulder button that lots of people are reporting out of the box.
<div><ul>
<li style="display: inline-block; vertical-align: top;"> [[File:R36H ProMax disassembly 1.jpg|thumb|none|400px|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.]] </li>
<li style="display: inline-block; vertical-align: top;"> [[File:R36H ProMax disassembly 2.jpg|thumb|none|400px|Closer look at the mainboard]] </li>
<li style="display: inline-block; vertical-align: top;"> [[File:R36H ProMax disassembly 3.jpg|thumb|none|400px||Closer look at the SoC and RAM chips]] </li>
<li style="display: inline-block; vertical-align: top;"> [[File:R36H ProMax disassembly 4.jpg|thumb|none|400px|Closer look at the mainboard number]] </li>
<li style="display: inline-block; vertical-align: top;"> [[File:R36H ProMax disassembly 5.jpg|thumb|none|400px|Time to remove the shoulder buttons]] </li>
</ul></div>
Here's how to remove the L2/R2 buttons:
<li style="display: inline-block; vertical-align: top;"> [[File:R36H ProMax disassembly - remove shoulder buttons.mp4|400px]] </li>
<div>
<li style="display: inline-block; vertical-align: top;"> [[File:IMG_20251201_181825.jpg|thumb|none|400px|Remove the screw that is holding the support piece and the L1/R1 buttons]] </li>
<li style="display: inline-block; vertical-align: top;"> [[File:IMG_20251201_181837.jpg|thumb|none|400px|Closer look at the support piece with the L2/R2 membrane and the shoulder buttons]] </li>
<li style="display: inline-block; vertical-align: top;"> [[File:IMG_20251201_182002.jpg|thumb|none|400px|This button is working fine]] </li>
<li style="display: inline-block; vertical-align: top;"> [[File:IMG_20251201_182012.jpg|thumb|none|400px|Found the problem with the other button. It's stuck in its metal casing]] </li>
<li style="display: inline-block; vertical-align: top;"> [[File:IMG_20251201_184656.jpg|thumb|none|400px|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.]] </li>
<li style="display: inline-block; vertical-align: top;"> [[File:IMG_20251201_191633.jpg|thumb|none|400px|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.]] </li>
</div>
It's finally clicking again!
<li style="display: inline-block; vertical-align: top;"> [[File:VID_20251201_184957-ezgif.com-gif-maker.mp4|thumb|none|400px]] </li>
Re-assembling:
<div>
<li style="display: inline-block; vertical-align: top;"> [[File:IMG_20251201_192723.jpg|thumb|none|400px|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.]] </li>
</div>
Final test:
<li style="display: inline-block; vertical-align: top;"> [[File:VID_20251201_192355-ezgif.com-gif-maker.mp4|thumb|none|400px]] </li>
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.
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== R36H ProMax vs R46H ==
== R36H ProMax vs R46H ==

Revision as of 19:17, 14 July 2026

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
  • DNF

Peeweegayman.com

R36H ProMax vs R46H

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

More Information

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

  • Included manual

    • Packaging

    • Videos

    Load video
    YouTube

    Firmware

    ↪ Firmware Flashing Guide

    StockOS

    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

    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

    dArkOS

    Use the RG351MP version.

    FN button is currently not supported.

    Boots fine after changing the rg351mp-uboot.dtb file and rk3326-rg351mp-linux.dtb from ArkOS R3XS or here: ⬇️ dtb files MediaFire

    WiFi fix here: MediaFire. Put it in EASYROMS\tools folder, run and wait. Wifi-toggle also works.

    ArkOS R3XS

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

    FN button is currently not supported.

    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)

    UnofficialOS

    UnofficialOS (uOS) is a community developed Linux distribution for handheld gaming devices. Use the R46H / R45H / R40XX / R40XX ProMax overlay.

    UnofficialOS
    UnofficialOS Logo
    Latest version UnofficialOS.png
    Download ⬇️ GitHub Releases
    Documentation / FAQ UnofficialOS Wiki
    Hotkeys Hotkeys and Button Codes
    Officially Supported Devices
    Devices list (click to expand)

    AndR36oid (LineageOS 18.1)

    Use the R46H image.

    FN button is currently not supported.

    AndR36oid
    AndR36oid Boot Logo
    Latest version releases.png
    Download ⬇️ GitHub
    Documentation / FAQ AndR36oid release notes
    Officially Supported Devices
    Devices list (click to expand)


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