R40

R40
Specification
Brand	Manufacturers: Other
Release Date	07 / 2025
Form Factor	Vertical
SoC	RK3326 Quad-Core 64bit
CPU	1.2Ghz
RAM	8GB LPDDR3
Screen Size	3.5"
Resolution	640x480
Aspect Ratio	4:3
Screen Type	IPS
OS	Linux
Internal Storage	Yes
External Storage	2x MicroSD
WiFi	No
Video Output	None
Speaker	Mono
3.5mm Audio Jack	Yes
Battery	3000mAh

Edit specs

Performance

Similar to R36S Clone. With improved CPU and RAM

CPU

RK3326 Quad-Core 64bit CPU 1.2Ghz

RAM

8GB LPDDR3 as per physical CPU. 2GB Advertised 1GB allocated in Ubuntu

Price

~$30

Get the R40: AliExpress¹

↪ 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

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More Images

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  image source: discord

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  Logo found on the SD card

More Information

Manual: File:R40 manual from temu.pdf

Videos

No videos so far.

Firmware

Custom Firmware:

ArkOS K36 works on this device.

Selection:

Screenfiles: Panel 5

Files: rf3536k3ka.dtb & rk3326-evb-lp3-v12-linux.dtb

OS only allocates 1GB of RAM. :(

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