Backup Original Firmware (ROM) using FlashTool (Xperia Device)

Steps:

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a) if you do not want to lose warranty of your phone, first thing you have to do is to backup your original customization

b) download Sony Update Service (SUS) and reinstall firmware of your phone (backup your data first)

c) after that, go to Program Files and search for folder db/some Number/blob_fs, there you find 3 files, which names start FILE

d) download and install latest Flashtool from here

e) paste the three files, which names start FILE, from blob_fs folder to folder "Firmware" included in the XPERIA Flashtool

f) open the Flashtool, click on Advanced, choose decrypt files and put all three files from blob_fs folder to the right columm

g) click ok and after approx. one minute a pop up Window will appear via Flashtool

h) mark all files and transfer them to the right column, than fill in a box in the right upper corner (fill in what you want, it is just for you)

i) now click ok and Flashtool will create backup of your original firmware customization, that you can anytime flash to your phone

For any queries, Please leave comments bellow.

HELP MAKES ALL HAPPY

Backup & Restore of your Android without Rooting

How to take full Backup of your Android without Rooting
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Platform Tools with the latest version using SDK Manager.

First of all, connect your Android Device with your Computer using USB cable.
Then, in your Computer open the command prompt. 
Once it opens, type the following command to ensure that Computer has recognized your device:
adb devices.
The command "adb backup" is to enable you to perform full system backup.

The command format to create backup is:
adb backup [-f <file>] [-apk | -noapk] [-shared | -noshared] [-all] [-system | nosystem] [<packages...>]

and the most basic command is:
adb backup -apk -shared –all -system

The above command will help you to take the backup of app and device data only to the current directory as "backup.ab"
in case if it doesn’t work then try the following command:
adb backup -apk -shared –all -system –f C:\backup.ab 
or 
you can also type the desired folder path in place of C:\.

How To Restore the Device backup
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Now, here is the command to restore your device through command line:
adb restore C:\backup.ab 

For any queries, Please leave comments bellow.

HELP MAKES ALL HAPPY