Android 4.1 Jelly Bean ROM has been presented and already leaked for the Galaxy Nexus devices, but this didn’t stop some developer to create a working Nexus Port of Jelly Bean for the HTC One X smartphone. Read the tutorial guide and you will manage to install the new Android OS right on your HTC device. Please note that this ROM is a Nexus port, which means that it is only for testing purposes and it is highly unstable, which means that you should only install it if you wish to see how Jelly Bean 4.1 runs on your phone.
This new Android ROM was leaked for the Galaxy Nexus GSM and Verizon variants and since this is a testing installation, then you should first create a backup of the current ROM that runs on your HTC One X and use the Jelly Bean 4.1 ROM only for a couple of days. There isn’t any official announcement for the HTC One X Jelly Bean release, as Google only said that the OS will be launched mid-July only for Galaxy Nexus, Nexus S, Motorola XOOM and Nexus 7 tablet. Before you can move to the tutorial guide, you should read the pre-requisites info and learn how to correctly configure your smartphone so that the update will install successfully. Here’s what you need to know:
- flash the new Android 4.1 Jelly Bean ROM only on HTC One X devices, do not try to update other Android devices as you might brick them.
- enable the USB debugging and make sure to fully charge the phone’s battery so that it won’t discharge while you’re installing the new ROM.
- the how-to guide will tell you to wipe all data currently stored on your phone, which is why you should create backups of your important files. You can move these on your phone’s internal or external storage card or, you can move them on your computer’s hard drive.
- if you think that you will only install Jelly Bean 4.1 Android just for fun, with the thought of removing it after a couple of days, then you should create a full backup of hte current ROM that is installed on your One X device. When you will want to remove Jelly Bean you will simply launch a ROM manager and restore the current firmware.
- if you wish to save APN settings, installed applications, SMS and APN Settings, then you should use the following Android utilities: AppBAK for Android apps backups | SMS backup & restore | Call Logs backup & restore | APN Settings Backup & Restore.
- the Phone Contacts can easily be synced with your Gmail account and after the update is complete all the numbers will be restored to your smartphone.
- remember that you’re installing the Jelly Bean ROM Nexus Port for One X at your own risk and you shouldn’t blame us nor the developers in case you something goes wrong and your device stops working after you apply the files.
- install the HTC Sync software drivers for your smartphone - Download link. In case your computer already has the HTC drivers installed, then you should skip this task and move to the tutorial guide.
Now that you have read the above and saved all your important files, I thing that you can move to the next tutorial guide and learn how to properly flash this Nexus Port of Jelly Bean 4.1 on your HTC One X. If your device is rooted and you have ClockworkMod Recovery installed on it, then you are free to move to the tutorial now.
Make sure to apply all the steps listed below and do not think about skipping any of the steps I’ve listed. For any extra questions use the comments section.
How to update HTC One X to Android 4.1 Jelly Bean ROM Firmware ( Nexus Port ):
- Download the ROM zip file from HERE. Do not extract the contents of the zip file.
- Connect your phone to your PC and now move the ROM package on your device’s internal / external sdcard. Make sure that you leave a copy of this file on your computer. Disconnect USB connection after the file transfer is complete.
- Next, download the Flash_boot zip file from HERE. This file will flash the correct kernel for your device.
- Extract the Flash Boot zip contents into a single folder and save it on your PC desktop screen.
- Now, remember the file downloaded at step 1. Open it and extract the boot.img file and save this file in the flash_boot folder. You should have five files in the ‘flash_boot’ folder.
- Power OFF your phone and then boot it into bootloader mode. It can be done by pressing and holding the ‘volume down’ + ‘power’ buttons at the same time.
- From Bootloader Mode menu select ‘FASTBOOT’ by pressing Power when the option is highlighted. Connect your device to your PC after selecting fastboot mode.
- Go to your PC and open the folder of ‘flash boot’. Launch the file named: flash-boot-windows.bat . This will flash the kernel for your HTC One X. When this task is done go to the next step.
- Next, press Power and select BOOTLOADER. Go to the “RECOVERY’ option and launch it; this will boot your One X into CWM Recovery.
- When in recovery mode, select ‘wipe data/ factory reset’ and confirm that you wish to delete all data from your phone, except for the files that are stored on the SDcard.
- Now select ‘mounts and storage, after this select ‘format system’ and then confirm that you wish to apply these changes. Wait until the process is finished and after that go back to the main CWM Recovery screen.
- Next, select ‘install zip from sdcard’ and on the next menu select ‘choose zip from sdcard’. Find the ‘jellybean_endeavory_tgasgoine.zip’ file, the one that you moved on your phone’s SDcard at step 2. Select it and confirm the installation.
- When the Jelly Bean 4.1 Android ROM has been successfully flashed, you can return to the main custom recovery screen and then select ‘reboot system now’.
- Wait until your HTC One X completes the first boot process under the new Android 4.1 Jelly Bean ROM. Please note that this process might take over ten minutes to complete and the only thing you can do is to wait. Your phone will now boot into the new ROM and you’re free to start testing it and customizing its screens and features so that you’ll enjoy the best Android experience.
In case the first boot doesn’t complete, it means that you will be forced to repeat the entire tutorial once again. Make sure that you haven’t skipped any of the steps listed above and remember to wipe data and apply factory reset before installing the Jelly Bean ROM.
Remember that this NEXUS Port of Android 4.1 Jelly Bean ROM isn’t stable and you should only use it for testing purposes. If you’ve created a full backup of your former installed ROM, then you will be able to restore it whenever you don’t wish to use this ROM on your One X device.
If you cannot complete the tutorial or you can’t understand what actions you need to take, then you should ask for our help in comments. In case you have any tips and tricks regarding the installation of Android 4.1 Jelly Bean on your One X phone, feel free to let us know by posting in our comments section. Remember that guides like this one are only for advanced Android users and you shouldn’t try to apply it in case you’re a beginner when it comes to flashing ROMs, working with Fastboot, CWM Recovery, boot.img and other files like these ones.