Galaxy S IV

Manual Update Galaxy S4 with Official Jellybean 4.3 JWR66V Firmware – Guide

The flagship lad from Samsung, the Galaxy S4 smartphone can now be manually updated with the latest Jellybean 4.3 Android OS which is JWR66V. Though Samsung did clarify unofficially that its working on the jellybean 4.3 and will soon be releasing it all across the devices very soon. Please make sure that you have followed all the list of quick pre requisites which we have summed it below to make sure that the device is updated with the firmware successfully.

Note: Applying this firmware update won’t void the warranty in any manner as it’s an official firmware leaked out from Samsung and is not a custom ROM firmware. Also, applying this update manually won’t root the device.

Quick Pre Requisites:

  • Data in your Galaxy S4 should be backed up with the help of below mentioned steps so as to make sure that just in case if the data gets lost or corrupted, the same can be restored with the help of below mentioned steps,

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

  • Enable the USB Debugging Mode in your computer from the path “Settings > Applications > Development > USB debugging”. Also, the minimum battery life should be a minimum of 40% or else there is a risk of device getting turned Off in the middle of firmware update.

Disclaimer: Follow all the instructions mentioned in this article as if there is any damage caused due to not following instructions then we shall not be held liable or responsible. Just in case if you face any issues then we will try our level best to address the same.

Assuming that you are done with all the above mentioned steps, let’s head over to the next page where we have mentioned the detailed guide to update your device.

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