Ruu-shooter-u-ics-35-s-htc-asia-tw-3.28.709.3-radio-11.77.3504.00u-11.25.3504.06-m-release-270747-signed.exe [verified] Jun 2026

First, a definition. An RUU (ROM Update Utility) is an official Windows executable file distributed by HTC. When run, it communicates with an HTC Android phone in (usually via Fastboot) and flashes a complete, stock ROM image to the device’s internal memory.

: Frequently caused by an unlocked bootloader while S-ON. Ensure fastboot oem lock has been successfully executed before launching the setup.

If your phone is currently rooted or has an unlocked bootloader, you must relock it before the RUU will run successfully: Relock Bootloader

If your device is S-ON , you cannot run an official installer if the bootloader is "UNLOCKED". You must access your computer's command line with the Android platform tools and send the command: fastboot oem lock . First, a definition

: The utility lost contact with the phone. Swap USB ports, change the cable, or reinstall the HTC USB drivers.

: Enable USB Debugging on the smartphone, connect it to a USB 2.0 port, and reboot into the bootloader environment.

The . This controls cellular connectivity, Wi-Fi, Bluetooth, and GPS. : Frequently caused by an unlocked bootloader while S-ON

The primary purpose of this executable file is to update the software or firmware of a specific HTC device. When executed, it likely performs a series of operations to ensure the device's operating system and radio firmware are updated to the specified versions. This can include:

Fixing a device that is stuck in a boot loop or won't start.

Note: Running an RUU will completely wipe all user data, including applications, messages, and internal storage. Back up any critical data before initiating this process. If you are currently troubleshooting this device, tell me: You must access your computer's command line with

Possibly indicates configuration (most HTC EVO 3D GSM models are single SIM). Another possibility: it could denote a specific hardware revision or security flag (S‑ON/S‑OFF), but here it is part of the product string.

The "SHOOTER-U" platform debuted in 2011 to capitalize on the glasses-free 3D display trend. The device featured a unique hardware configuration:

This guide is based on archival information for the HTC EVO 3D (released around 2011/2012), with details relevant to restoring or upgrading the device to its last official stable stock version.