What is the RUU zip file?
The RUU zip file is a compressed package that contains the official firmware for your HTC device. It includes the Android operating system, the HTC Sense user interface, and other software components that are specific to your device model and carrier. The RUU zip file can be used to update your device to the latest software version, or to restore it to its factory settings if you have modified it with custom ROMs or root access.
Where to find the RUU zip file?
The RUU zip file for different variants of HTC One X can be found on various online sources, such as GitHub, XDA Forums, or HTC official website. However, you need to make sure that you download the correct RUU zip file for your device model and carrier, as flashing the wrong one can brick your device. You can check your device model and carrier by going to Settings > About > Software information > More > Software number. The software number should match the name of the RUU zip file.
How to flash the RUU zip file?
To flash the RUU zip file on your HTC One X, you need to have some prerequisites, such as:
A backup of your data, as flashing the RUU zip will wipe everything on your phone.
A sufficient battery charge on your phone, at least 50%.
A USB cable to connect your phone to your computer.
A Windows computer with ADB and Fastboot drivers installed.
Once you have these prerequisites, you can follow these steps to flash the RUU zip on your HTC One X:
Download the RUU zip file for your device and save it on your computer. For ease, rename this file to rom.zip.
Copy the rom.zip file to the same folder where you have installed ADB and Fastboot drivers.
Turn off your phone and boot it into bootloader mode by pressing and holding Volume Down + Power buttons until you see a screen with three Android images.
Use the Volume buttons to navigate and select Fastboot mode by pressing Power button.
Connect your phone to your computer using the USB cable.
Open a command prompt window on your computer and navigate to the folder where you have copied the rom.zip file.
Type the following command and press Enter: fastboot oem rebootRUU
Your phone should reboot into a black screen with a silver HTC logo.
Type the following command and press Enter: fastboot flash zip rom.zip
The flashing process will begin and it may take several minutes. Do not disconnect or interrupt the process.
Once the flashing is done, type the following command and press Enter: fastboot reboot
Your phone should reboot normally and boot into the stock firmware. You may need to set up your phone again as if it was new.
Congratulations! You have successfully flashed the RUU zip file on your HTC One X. You can now enjoy the official firmware on your device.
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