Upgrade Sony Xperia T LT30p to Xperia Curiosity Jelly Bean 4.1.2 Firmware

Sony Xperia T LT30p will no longer miss out on the fun that is a custom firmware. Android 4.1.2 will finally be part of this device after you use Xperia Curiosity custom ROM. Before writing this tutorial we tested the tool and found it to deliver great stability among other pros.

Other than that, you should know that the Xperia Curiosity has some very nice features in store for your smartphone; here are a couple of them: the newest version of Flash, Mobile BRAVIA Engine 2 integrated, clean circle battery % MOD, almost no bloatware to speak of and many other offerings.


That’s a wrap on the introduction of this custom firmware and what it can do for your device. We’ll now turn our attention to the pre-requisites that play an important role in this guide: find a tutorial on how to root the Xperia T LT30p and feature a custom recovery image on it, turn on USB debugging, charge its battery, go to your laptop and flash USB Drivers on it (select the ones which work best with this handset), have a factory unlocked device and take all the data on the phone to make a backup of it as soon as possible.Sony-Xperia-T

After taking care of these requirements, there’s another aspect you have to take care of: the steps below. Their role is to update your Sony Xperia T LT30p to the Xperia Curiosity ROM.

Important instructions

  1. Step number 1 is upon us; it asks you to on your laptop and to also plug the phone on it after the download is over; use the USB cord of the smartphone for this type of action.
  2. Then move on to the next step in our guide, the second one; this one will tell you to do the following: copy and paste the Android 4.1.2 ROM archive to the SD card root of your Sony Xperia T.
  3. For step number three you need to switch the device off, unplug it from the laptop and enter it in Recovery Mode; the recommended path for that sounds like this: turn the Xperia T LT30p on while selecting Volume Down a couple of times.
  4. [sc name=”banner-jos”]What your actions for step number four should look like is shown here: initiate a full phone’s data wipe, opt for Flash zip from SD card with Power, then use the same button to select Choose zip from SD card. After you opt for the Android 4.1.2 ROM zip file with the help of the Power key, you have to confirm the flashing of this firmware, then have some patience till the installation is complete.
  5. Once that happens, step number five will ask you the following: go to +++++Go Back.
  6. Step six shall then tell you to opt for the system restarting; the second you perform this task, your handset is going to boot. Wait around 5 minutes, then start exploring your newly updated Xperia T LT30p. The Xperia Curiosity custom ROM that’s just installed the Android 4.2.2 on your phone can be found in the latter’s “About phone” department.