Users of the HTC EVO 4G LTE will be happy to know that the official Android 4.1.1 Jelly Bean firmware has been released for their devices as both an OTA (over-the-air) and manual update. Both adding and optimizing many functions of the device, the HTC EVO 4G LTE has seen a bit of a facelift with this push that will help owners of the device get the most out of their phone.
Disclaimer: This guide is designed for use with the HTC EVO 4G LTE and not other phones. As such, please do not follow these exact instructions and download links for updating any phone other than the HTC EVO 4G LTE. Additionally, as with any updates, please be sure to proceed at your own risk. While we highly recommend installing any updates as they come out and will do our best to help you with the process the choice to update is, ultimately, your choice. That said, proceed with caution and only if you are comfortable with each step of the process.
Firmware Features :
Aimed at improving overall functionality of the device, the Android 4.1.1 Jelly Bean update is designed to :-
- Improve performance of the camera with better internal processing and image rendering
- Improve the overall user interface and power management options
- Ensure better connectivity at all times through a Connection Optimizer application (sent out over the Sprint network in the US)
Firmware Details :
Firmware Developer: Android
Firmware Version: 4.1.1 Jelly Bean
Stand-Alone ROM Download: Download here
Intended Carrier: Sprint
Backup & Other Precautions :
Due to the nature of any firmware update the risk is always present that you may lose some or all of your phone’s data in the process. As such, completing a full system backup is highly recommended prior to updating your device in order to avoid any loss of data or other usability. Custom third-party backup devices such as the ClockWorkMod for backing up a comprehensive image of your phone may be used, as well as the standard synch programs designed for your phone to integrate with your personal computer. Some areas you should focus on in particular to make sure you backup include :-
- All phone call, SMS, MMS, email or other messaging data (including the data found on other messaging applications you may have installed)
- All phone contacts
- All access point (APN) settings to ensure connectivity to GPRS, 3G, WiFi or other networks
- Any other data that is not factory standard
The process of backing up all of your phone’s data may take some time to complete, however it is a highly recommended process as it will ensure that you do not experience any loss of usability for your device at any time. Please do not rush this step as any number of complications may occur along the way and this backup information may be vital to returning your phone to its intended state.
How to Install Android 4.1.1 Jelly Bean Official Firmware on HTC EVO 4G LTE
Most users will be able to update their phone through a simple OTA push of the firmware out across their provider’s network. Should you wish to update it manually, though, follow these steps :-
- If you have not done so already install the SWM Recovery ROM to your phone from here
- Download the latest firmware update from the link above or from this website. Please do not extract the downloaded ZIP folder as this should be transferred entirely to either your phone’s internal storage or its SD card.
- Turn off your phone and restart it in its Bootloader Mode by pressing and holding down both the Volume Down and Power buttons at the same time. Use the Volume controls on the side to navigate the menu to select RECOVERY and press the Power button to confirm your selection.
- Select the option to Backup and Restore your system to backup your current ROM. Then return to the main menu and select “Wipe Data/Factory Reset” and “Wipe Cache Partition”.
- Once your phone’s old firmware has been wiped select “Install ZIP” from the appropriate directory you transferred the ZIP file to in Step 2 and select the ROM file from the ZIP.
- Wait for the ROM to finish installing before selecting “Go Back” and finally “Reboot System” from the main recovery menu.
Once your device has fully rebooted (it may take a bit longer during the initial reboot after the update) your firmware should be successfully installed. Following the installation go through your device to make sure your previous data is secure and complete any restorations of previous messages, contacts or other data as necessary.