Update HTC One X to Android 4.2.1 AOKP Jelly Bean Custom ROM

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You can now install Android 4.2.1 AOKP Jelly Bean on HTC one Xm thanks to IceColdJelly custom ROM which is based on the latest AOSP release of Android 4.2.1. There are few bugs in the ROM, but atleast you get to try the latest version of Jelly Bean on your HTC One X. There is no word on when will HTC release the official Android 4.2.1 software update. You can install Android 4.2.1 AOKP Jelly Bean on HTC One X using the tutorial below. Make sure ClockworkMod recovery is installed on your phone and your bootloader is unlocked.

As you continue reading, we will guide you through the process of how to update HTC One X with Android 4.2.1 AOKP Jelly Bean custom ROM. We have given all the steps below and make sure you backup all your existing data in the phone before proceeding as this tutorial will wipe out all your internal storage data. We have mentioned a few extra tips as well that you have to keep in mind before proceeding to the next page for the tutorial. Let’s continue with the tutorial now.

ICJ_4.2.1

Disclaimer: All the custom ROMs and firmwares, official software updates, tools, mods or anything mentioned in the tutorial belong to their respective owners/developers. We (TeamAndroid.com) or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial ;-)

Android 4.2.1 AOKP Jelly Bean IceColdJelly ROM Details:

NOTE: This ROM is only for the HTC One X (International version) with Tegra 3.

What’s New:

  • Flash boot.img
  • Random reboots fixed!!! Wlan reboots fixed!!!
  • Wlan tether now has working security network mode
  • Added Hardware keys mapping (Settings/Display) – thanks to maxwen for porting the fwb part
  • Removed AOKP PerformanceControl from the build
  • Enabled back LED settings in ROMControl – almost all not working for our device, but they were demanded
  • Fixed Taking photos while video recording (1080p has some issues) – maxwen
  • Added MenuUI overflow button – AOKP
  • Fixed Long Press Back button functionality – maxwen again
  • Using prebuilt camera lib, not building it from HAL anymore
  • Added back Powermodule HAL to the build – needs testing
  • Added Button Notification Light option (Settings/Display)
  • Interactive set as default governor – don’t change it if you love your phone
  • Used Calculator app repo from CM
  • Added a bunch of new options to Camera from CM (lost 2 days to get it working)
  • updated kernel with BT drivers to 3.1.10 ; integrate some tegra references patches for BT
  • Added CPU boosting modifications from CM
  • Fixed some bugs under the hood – AOKP and CM
  • Battery should be improved in this version, expect 2h of screen ON while browsing for sure!
  • This rom still isn’t where I want it to be – will start to add more options to the rom soon

What’s Broken:

  • A2DP for BT still has some issues
  • WiFi direct
  • In call volume adjustment works, but not fully well in Speaker mode
  • MHL output is rotated incorrectly to portrait in horizontal mode (but workaround added since alpha 8 for hw decoded videos/youtube. Use bsplayer from playstore, almost all videos play with it in correct rotation in hwoverlay)
  • No FM radio app in ROM. But Spirit FM works from market (it’s commercial!)
  • Probably some more stuff

HTC One X USB Drivers

You will need to connect your Android phone with the computer. For that, please make sure you have installed the USB drivers for HTC One X properly. If not, you can download the latest official drivers from our Android USB Drivers section here:

Download HTC One X USB drivers!

Backup and Other Important Tips

Done with the USB drivers? Perfect. The tutorial is on the next page, but first, please take a look at the following tips and important points you need to take care of. These are important, as we don’t want anyone losing their personal data or apps:

Always backup your important data that you might need after you install a new custom ROM, an official software update or anything else. Make a backup for just in case, you never know when anything might go wrong. See below for some tips on how to backup data:

Samsung users can also back up data using Samsung KIES. If you backup data manually, you get more options what to choose from and it is very easy to move data across Android devices from different manufacturers, i.e moving Samsung Galaxy Note backup data to HTC One X.

If you already have a custom recovery (ClockworkMod, TWRP etc.) installed on your phone, we strongly recommend a backup using that as it creates a complete image of your existing phone set up.

A few more optional tips that you should remember:

1. Having problems connecting your Android phone to the computer? You need to enable USB debugging mode. See here: How to Enable USB Debugging — for Gingerbread, Ice Cream Sandwich and Jelly Bean.

2. Make sure your Android device is charged up to 80-85% battery level. This might help you: How to Check Battery Percentage. Why? Because, if your phone goes off suddenly while installing a custom ROM, flashing an official firmware update or installing mods etc. — your phone might get bricked or go dead permanently. No one wants that, right?

4. Most of the tutorials and how-to guides on Team Android are for factory unlocked Android phones and tablets. We recommend NOT to try our guides if your phone is locked to a carrier, unless we have specified the carrier name or device model.

If you find the above tips useful and they were helpful to you, please consider giving us a +1 or LIKE to thank us!

All set and ready? Good. Now, let’s proceed with the tutorial on the next page and update HTC One X to Android 4.2.1 AOKP Jelly Bean custom firmware.

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