WINDOWS 10 / 11 · PORTABLE · DRIVERS AUTO-INSTALL

Download RJ USB

Two apps. One secure link. RJ USB Client runs where the phone is plugged in — RJ USB Server runs where you flash it.

Portable .exe — run from any folder, no installer needed.

Choose your role

Pick the app that matches your side

Device host · small app

RJ USB Client

Install on the machine where the phone / USB device is physically plugged in. Plug the phone and press Share — its port is instantly available to you over the secure link.
File: usb-sharing-client.exeSize: 20.76 MBSHA-256: 4398461a338c4d77120d9f77ed6cfca46b1cfcd60211ff099b9282b36f9aacb6
Download RJ USB Client (20.76 MB) ⬇
Technician · flasher

RJ USB Server

Install on the technician / flasher machine. The remote device appears as a real local USB device — open QPST, SP Flash Tool, Odin, Mi Flash or 3uTools and flash it, with auto re-attach when the phone switches mode.
File: usb-sharing-server.exeSize: 24.86 MBSHA-256: 2f0b6494601ae8e2e1e6d7e99a7b6926f15174ae7f763a4763a2f8ebff543885
Download RJ USB Server (24.86 MB) ⬇
Verifying your download: check the SHA-256 matches the value above with Get-FileHash <file> -Algorithm SHA256 (Windows) or sha256sum <file> (Linux/macOS). Required drivers install automatically on first run — no manual setup.
Get flashing

Up and running in one minute

1

Run both apps

Launch each .exe as administrator. Drivers (usbipd-win / usbip-win2) install themselves on first run with progress shown.

2

Connect with a code

On the client side, enter the flasher's stable 6-digit Public Code — no port forwarding, no static IP, works on any network.

3

Share & flash

Plug the phone, press Share on the client, then flash from RJ USB Server with your usual tools. Ship mode-switch auto re-attach handles MTK/QC mode changes.

The Server app requires a cloud license — see plans & pricing. The Client is free for the device host.