An official firmware for HTC Thunderbolt (also known as HTC Incredible HD, HTC Droid Thunderbolt For Verizon) now available in wild for download. The leaked ROM is actually Android 4.0.3 ICS ROM for the Thunderbolt from HTC and Verizon. Importantly everything working fine in this ROM including 3g/4g, phone calls, sms/mms and more. Another notable function is, HTC included Sense 3.6 in this ROM which means by installing this ROM you can actually upgrade your existing Sense 2.1 to Sense 3.6.
This leaked ROM is modified by teambamf.net to make it more useful. The ROM is now deodexed and rooted (ChainsDD Superuser and an unsecured ramdisk). Another good part is, all of the HTC spyware has been removed from this leaked ROM.
This guide below is compatible only and only with the HTC Thunderbolt from Verizon. It’s not compatible with any other HTC Thunderbolt devices. Check your device model in Settings» About phone.
Rooting Information: Once your device is rooted, warranty will get void; However, you can reclaim the warranty by applying official firmware update.
To check if you successfully rooted your device or not install an app called “Root Checker” that available for download from Google PLAY store for free.
We should not be held liable for any damage caused in the process of installing this leaked ROM on HTC Thunderbolt. Although, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.
Backup your data first using below mentioned instructions, so that if you lost any data you can recover it easily.
SMS & Call Log – Use SMS, MMS & Call Log Entries Backup & Restore App
Contacts & Settings – Use Android default backup options.
Images, Songs, Videos, Files – Copy to Internal/External SD card.
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
- Make sure your device have at least 80% battery power. [How to Check Battery Percentage in Android Phones]
- You already have USB Driver Installed for HTC Thunderbolt in your PC.
- Make sure USB Debugging is enabled. [Guide]
- HTC Thunderbolt bootloader is unlocked (visit htcdev.com)
- You should already have ClockworkMod recovery installed on it and has S-OFF.
If you done everything that we mentioned above then you are ready to move the next page of this guide where we compile an easy to follow step-by-step guide on how to flash leaked official Android 4.0.3 ICS ROM with Sense 3.6 for HTC Thunderbolt.
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