Evo 4G

How to Update HTC Evo 4G with Cyanogen Mod 10 Jellybean 4.1 Firmware Update

Cyanogen mod logoHTC Evo 4G users can now stop feeling that they have been left out in the race of firmware updates as all thanks to the Cyanogen mod team who has come out with the latest firmware update which promises to rope in the goodness of almost all the features of Jellybean 4.1. Full credits to XDA Senior Member jmztaylor for coming up with this update. Also, this is not the final build of the CM 10 release and there will be few more versions of this update in the coming days which we will be covering the same too.

The biggest advantage for rooting the device is that you can then make use of the custom ROM firmware and also the apps which need the root access to the system files.

Disclaimer: Following instructions in no manner will spoil the device, if the device gets spoiled or bricked due to not following the mentioned instructions then we shall not be held liable or responsible in any manner. Warranty will get lost once the device is rooted though the warranty can be revoked by applying the update. Do not try it on the EVO 4G LTE or else it may even brick the device.


  • Wifi
  • Sound
  • Phone calling
  • Data
  • SMS

Not Working / Partially Working:

  • All video playback causes hot reboot
  • Camera
  • Camcorder
  • 4G
  • FFC

Express Pre Requisites:

  • With the help of below mentioned steps, you can easily backup all the data so that just in case if the data gets lost or corrupted, the same can be restored back with the help of below steps.

SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
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

  • HTC Evo 4G device should be left with the minimum of 50% battery charge so as to make sure that the phone doesn’t get turned Off in the middle of firmware update. Enable the USB Debugging from the path “Settings > Applications > Development > USB debugging”
  • Disable all the antivirus suites in your device as these tools interrupt the process of rooting and installation of recovery. You should have Admin rights with full USB Read / Write access.
  • Before proceeding, you need to Root your HTC Evo 4G by following the instructions mentioned in the corresponding link. Without rooting, you will not be able to install the recovery image. To check whether your HTC Evo 4G is rooted or not, download “Root Checker” app from the Google PLAY Store and check on whether the device is rooted or not.

Assuming that you have followed all the above mentioned things, you can now proceed to the next step where we will be checking out on how you can install the recovery image in your device.

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