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.
Securely connect the device to a rear USB 2.0 port on your PC using a high-quality micro-USB cable. The screen on the phone should update from FASTBOOT to FASTBOOT USB .
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
After the phone starts, you will go through the standard Android setup wizard (select language, sign into Google, etc.). You have successfully restored the Taiwanese ICS firmware on your HTC EVO 3D.
I can help diagnose the exact failure point and provide the precise command lines needed to fix it. Share public link Securely connect the device to a rear USB 2
The 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 file is likely used to update the firmware or operating system of a specific HTC device, possibly the HTC Shooter. The file contains a complete software package, including the operating system, radio firmware, and modem software.
: The specific hardware code-name for the GSM version of the HTC EVO 3D (the CDMA version used by Sprint was simply called "Shooter"). You must access your computer's command line with
: Rom Update Utility. A Windows-executable application used by HTC to flash firmware directly over a USB connection.
Integration of HTC Sense 3.6, which offered a smoother experience than previous versions while retaining the classic HTC widgets.
270747 is the internal HTC build compilation number. Signed ensures that the phone's stock bootloader will accept the software without security errors. The .exe extension means it runs directly natively on Windows PCs without requiring complex command-line interfaces like ADB or Fastboot. The Legacy of the HTC EVO 3D (Shooter)
: Over years of use, old Android devices can become sluggish. Flashing a fresh RUU can significantly improve performance on the dual-core 1.2GHz Snapdragon processor. Preparation Checklist