Owner of all Sony Xperia E Dual C1605 can update their device officially on 11.3.A.2.1 Jellybean 4.1.1 firmware. The update is released from Sony and the procedure you are going to face below is the manual update. Manual update is for those who haven’t received the OTA update or they didn’t release in their country yet.
Hopefully you follow the information given below very carefully so that you won’t get into trouble. The firmware will revoke the root access if any and will return back the warranty. The non-rooted device wont get affected with the warranty loss. If you have any doubt then do consult with pamandroid for any mishap.
- Sony Xperia E Dual C1605
- Computer with internet facility
- PC Companion shold be upgraded and installed in the computer to do the backup and it is done to avoid the risk of losing data
- Original USB cable
- The Sony device must have 40% otherwise charge it up
- Enable the USB Debugging by Settings-> Applications-> Development-> USB debugging and untick when the work is over
Steps to update Sony Xperia E Dual C1605 officially with 11.3.A.2.1 Jellybean 4.1.1
Step 1: If you have installed custom ROM or rooted the device earlier then do the wiping of caches in recovery mode. If not then proceed to next step.
Step 2: Now download the official 11.3.A.2.1 Jellybean 4.1.1 firmware pack of Xperia E Dual C1605 in computer and so as the flashing tool from here. Well, extract the flashing tool and place in the desktop.
Step 3: Now go to C:\Flashtool path or the Flashtool you have placed in the computer and click on it (the thunder symbol). Then select Flashmode in the popup and select OK.
Step 4: Well, in the firmware section in window, you must hit the ‘…’ where the .ftf file is situated. And then select the path and that will automatically get the firmware file.
Step 5: When its done, switch off the device and press the Volume up key and connect the device with original USB cable. When it is connect the blue LED light glows in the phone which means it had got into flash mode.
Step 6: Follow the instruction accordingly appear on desktop. The update is done automatically and that is going to take more than 5 minutes so keep patience. The device after got flashed with official Jellybean 4.1.1 update, it will get rebooted in normal mode. Where you need to detach the cable.
Voila! You have successfully learned the procedure to update Sony Xperia E Dual C1605 with Official 11.3.A.2.1 Jellybean 4.1.1. Check the firmware by Settings-> About Phone-> Build Number which will be mentioned as 11.3.A.2.1. If the device got stucked in the boot loop then remove the battery and again insert it.