The leaked MIUI 4 beta for the One X is fully operational, maintaining features such as the stock HTC camera, gallery and music (including Beats Audio). If you want download and install either, hen check out the link below.
How to install ROM MIUI 4 for HTC One X
Note: Requires unlocked bootloader and CWM recovery. If you’re partaking in this guide, you’ll likely have the HTC Sync software already installed, but if you don’t you’ll also need it installed in order to continue.
Step 1: Extract boot.img from the .zip file.
Step 2: Presuming you have Fastboot, copy the boot.img file into your Fastboot folder.
Step 3: Switch off your device, then enter fastboot mode. Hold Volume Down button then press the Power key. Then, select fastboot mode and connect your device to your PC.
Step 4: Open Command Prompt, and type in
cd c:\Fastboot(presuming fastboot folder is on your C: drive)
Step 5: Next, type in
fastboot flash boot boot.imgStep 6: Once the process is complete, disconnect your device, and on your phone, select HBOOT using the Power button. Then, select RECOVERY, which will, as you can probably guess, boot your device into recovery mode.
Step 7: From the Recovery menu, select install zip from sdcard, then select choose zip from sdcard. After that, select the ROM file.
Step 8: Finally, select go back then select reboot system now to reboot the phone and boot into MIUI ROM. Once MIUI boots up, change the language to English, and reboot your device
Once your device has rebooted, go to Settings > Language and Input, then opt for the HTC Sense Input.