Install Viper 4G Custom ROM Firmware on HTC Evo 4G LTE

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Good news for HTC Evo 4G LTE smartphone holders yes, 4G LTE version of HTC EVO android mobile now ready to upgrade their smartphone to latest version of ICS firmware updates named Viper 4G Custom ROM firmware.HTC EVO 4G LTE 4665 is a latest 4G version android powered smartphone which featured as 4.7 inches super IPS LCD2 corning Gorilla Glass display with HTC sense UI v4.0 supports CDMA 800/1900 -2G network and CDMA2000 1x EV-DO 3G networks also 4G LTE version and other features and specs are listed at android talk.

Also How to use HTC EVO V 4G as wireless Wi-Fi hotspot

But the ETA from official Jelly bean for HTC Evo 4G LTE mobile by HTC still not in air for download or update. But users can keep your device updated with various available custom ROM firmwares which is in unofficial custom ROM/ Frimware updates from various sources in many android forums and developer sites.

Before start your Evo 4G LTE with Viper 4G Custom ROM Firmware installation on HTC EVO 4G LTE mobile read carefully Disclaimer and warning.

Steps to follow before start to Update HTC Evo 4G LTE with Viper 4G Custom ROM Firmware

Take full backup of your personal data like SMS, MMS, contacts list, Call logs, etc., from the device, so that if they are lost during the update process, you can use the backup to get back the data.

Use best android backup APK and take complete data backup (MMS, call logs, Contact list, SMS) that you have installed from google play store and Back up Messages using SMS Backup and Restore Download

Use Sync option to save your contacts with gmail or import the contacts to the SD card as .vcf file format which later on you can export to restore the contacts.

Enable USB debugging mode (Settings > Applications > Development > USB Debugging)

Important! Minimum 60% of your Phone battery must be charged

Update HTC Evo 4G LTE with Viper 4G Custom ROM Firmware [Step by Step]

Step 1: Download latest Viper 4G firmware Package (viper4G 1.0- 597 MB) zipped files to local computer and unzip using most popular unzip software and transfer all files to your mobile MicroSD by using USB data cable connection setup. After successful transfer, disconnect or unplug cable HTC EVO 4G LTE device from your computer and turn it off.

Step 2: Now go to boot loader mode by pressing Volume up Key + OK button simultaneously and while doing so, press the power button until to get into that boot loader mode and then select recovery option in the boot loader mode. After that go with Wipe data/factory reset followed by Wipe Cache partition to clear all the caches stored in the Smartphone.

Step 3: After step 2, now select choose Zip from SD card and select the latest Viper 4G Custom firmware update package from your mobile device then finally install zip from SD card.

The installation steps are in progress and then the Viper 4G Custom ROM Firmware updates finish shortly within few minutes.

Finally after installation, the EVO 4G LTE mobile will settle back in recovery mode and reboot your device to get your new custom ROM updates.

Hope this step by step tutorial helps to get successfully installed Viper 4G Custom ROM firmware on your HTC Evo 4G LTE Android mobile. Share your comments and also to social sites.

Disclaimer and warning:

This Viper 4G Custom ROM firmware installation supports only for HTC Evo 4G LTE version model not for other version of HTC mobile and Samsung android 4G mobiles. Please check your mobile model with help of Settings About before preparing to install.

We are not responsible for any damage of Hardware as well as software while Viper 4G Custom ROM firmware on HTC Evo 4G LTE and the download links also provided by external party.