Meaning: The utility lost communication with your smartphone.
Swap your USB cable, try a different USB port (preferably USB 2.0), or reinstall the HTC USB drivers. Error 132: Signature Error
Rolls back to an older Android version if a recent update introduced bugs or battery drain issues. Prerequisites Before Using HTC RUU htc android phone rom update utility
The is a official Windows-based executable used to manually install or restore the factory stock firmware (ROM) on HTC Android devices. It is a powerful tool for unbricking a device, unrooting it, or simply returning it to its "out-of-the-box" state. 1. Critical Preparation & Requirements
HTC ROM Update Utility (RUU) is a official Windows-based tool used to manually install or update the stock firmware on HTC Android devices. It is commonly used to "unbrick" devices that won't boot, restore a phone to factory settings for warranty purposes, or update a phone when over-the-air (OTA) updates are unavailable. How to Use the HTC RUU Meaning: The utility lost communication with your smartphone
If you encounter any error during the RUU process, follow these recovery steps:
For the RUU to flash correctly, your bootloader should typically be . In an S-ON state, this is a strict requirement. If your bootloader is unlocked, you may need to re-lock it using fastboot oem lock before flashing the RUU. In an S-OFF state, this requirement can be ignored. Prerequisites Before Using HTC RUU The is a
The utility will verify your phone's current firmware version against the RUU version. If they are compatible, click .
Connect your phone to your computer using the USB cable. The screen should now say "FASTBOOT" or "DOWNLOAD".
If you own an HTC Android phone (like the old Desire, One series, or even newer U series), you have likely heard of the term RUU (ROM Update Utility). Unlike modern over-the-air (OTA) updates, the RUU is a powerful Windows-based tool that rewrites every partition of your phone’s storage. It is the ultimate solution for returning to 100% stock firmware.