Also, make sure that the MTP Mode is Disabled which can be done from the path “Settings > Xperia > Connectivity > USB Connection Mode” to select the MSC Mode and not the MTP Mode.Make sure that your SONY Xperia V LT25i is left with the minimum of 60% battery or else the device might just get turned Off in the middle of firmware update. Enable the USB Debugging Mode in your computer from the path “Settings > Applications > Development > USB debugging”.Images, Songs, Videos, Files – Copy to internal / External SD Card,ĪPN and MMS Settings – Note down from the path “ Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names” Not with the PC Companion or ROM Manager, create a backup of all the data with the help of below mentioned manual steps.Ĭontacts – Sync with the Gmail application,.Also, for users who are on custom ROM firmware currently can update with this firmware update to restore back the lost warranty. Note: Applying this Jellybean 4.1.2 firmware update in your SONY Xperia V LT25i smartphone won’t root the device in any manner / void the warranty. Before we proceed, let’s check out on what are the quick pre requisites you need to follow before you proceed to the next step for update instructions. For all those who have been eagerly waiting to update with this release of Jellybean, here comes a great news as despite SONY released this update quite a few days back, most of the users are unable to update with the same. Update your SONY Xperia V LT25i smartphone with the latest Jellybean 4.1.2 firmware which is dubbed as 9.1.A.0.490.

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