Downloads

Official firmware for the Cudy TR3000 travel router and the Android app (APK). Every file is published with its SHA256 checksum — verify it before installing.

TR3000 travel router firmware

Version: cudy-2.5.21_openwrt-24.10.5 · Released: 2026-10-19 Latest

File	Size	SHA256
recovery.bin Step 1	30.1 MB	`8762df3d172107ea0fd4f5efd348df91f9581ab73d970062344a31f546d34637`	Download .sha256
sysupgrade-intermediate.bin Step 2	12.6 MB	`702d8a0019f50d81565bf2b7d0eecd1ca4e1720937b1f8340bd4be77c79a2552`	Download .sha256
openwrt-sysupgrade.bin Step 3	8.7 MB	`0cffd428f472f3800c1aa1a1a08910d0630ae04c36247c7e6c98a5fc22cdf9d9`	Download .sha256

Flashing order

recovery.bin — recovery image, flash it first.
sysupgrade-intermediate.bin — intermediate system upgrade (sysupgrade).
openwrt-sysupgrade.bin — final OpenWrt system upgrade.

Do not skip steps or change the order. Keep the router powered while flashing. The Windows installer runs these steps for you. Install guide

Android app (APK)

Version: 1.1.89 · Released: 2026-10-19 Latest

File	Size	SHA256
tinystone-vpn-1.1.89.apk Android app	25.9 MB	`54ad253b0b8874fd7b28e9f4fdb4f250e8e2784fd353c6148f082aa19da9bb77`	Download .sha256

M3A tools

Root helper for the DawnVPN MiFi (M3A), arm64-v8a. Installed automatically by the Windows setup tool; only works on unlocked M3A devices and only allows the DawnVPN app.

Version: 249b07e5 · Released: 2026-10-19 Latest

File	Size	SHA256
su M3A helper	13.0 KB	`494b2519f56087d00212db626197af9872c80b7d0fb733ce5428b8245830ce30`	Download .sha256

Verify the download (SHA256)

Compare the output with the SHA256 shown above. If it does not match, delete the file and download it again.

Windows (Command Prompt)

certutil -hashfile su SHA256

Windows (PowerShell)

Get-FileHash .\su -Algorithm SHA256

macOS / Linux

shasum -a 256 su

Or save the .sha256 file in the same folder and run:

shasum -a 256 -c su.sha256