Just after the HTC One S, the Android 4.1 Jelly Bean custom ROM, CyanogenMod 10 (CM10), has been released for the AT&T HTC One X unofficially, it’s AOSP custom ROM, thanks to XDA developer member h8rift. The ROM will make you able to taste Android 4.1 Jelly Bean that has many new powerful apps and features.

However it’s very alpha build of CyanogenMod 10 that has many bugs, take a look on following list of not working things:

Multitouch (need kernel source)
Camera (not working at all)
Video Camera (not working at all)
Wifi Hotspot
USB Tethering
Bluetooth
Notification LED
Google Wallet (May not ever work. Very very low priority)
Wired Headset (and maybe Bluetooth Headset) does not work yet.

Read on how to install the Android 4.1 Jelly Bean CyanogenMod 10 on HTC One S. The Bootloader of your HTC One S must be unlocked, you can unlock bootloader here, ClockworkMod recovery should be installed on your HTC One S, you can follow our this guide to install official ClockworkMod recovery, and be sure to make a backup of your device data such as SMS, internet setting, contacts music files etc because the below procedure may wipe data, you can sync your contacts with Gmail account and for messages use SMS apps, lastly use file expert app to backup apps.

DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or get damaged following this guide.

Instructions

Step #1: Download the latest version of ROM from here [XDA LINK] and Google Apps from here.

Step #2: Transfer the downloaded files to SD card of device.

Step #3: Turn the device off.

Step #4: Reboot the device into bootloader mode by holding down volume down and power button, in bootloader mode, select recovery option to enter in recovery mode.

Step #5: In recovery mode, create a nandroid backup of your current ROM, it’s important because if anything not work out that you expect from this ROM, you’ll be able to easily revert back to your current state. To create backup select “Backup and Restore”, and then select “Backup” again.

Step #6: Perform full wipe, first select the wipe data/factory reset, and confirm on the next screen.

Step #7: Select “Install Zip from SD Card” then “Choose Zip from SD Card” and locate the downloaded ROM .zip file that you’ve transferred in above step and confirm installation. Wait till installation complete.

Step #8: Once the installation is completed, select “Go Back” after that select “Reboot System Now.”

Step #9: Once the phone is booted up, turn it off again.

Step #10: Reboot in recovery mode by following step 4.

Step #11: Repeat the step 7 to install Google Apps package.

Step #12: After Google apps installation, once again select “Go Back” after that select “Reboot System Now.”

That’s it, you’re done. Do comment below for queries. You can also visit the original thread of XDA link given in first step.

Related posts:

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3. Transformer Prime Gets CyanogenMod 10 Android 4.1 Jelly Bean
4. AOSP-Based Android 4.1 Jelly Bean For Verizon Galaxy Nexus [How-To]
5. CyanogenMod 10 Jelly Bean available for Galaxy S2 I9100G [How-To]