How to update rooted Xperia Tipo ST21i (11.0.A.0.16 to 11.0.A.4.22)

YOU NEED:

• Rooted Xperia Tipo (How to root)
• Xperia Root – credit to Puppet13th Xda (mirror)
• NEW Firmware

Step 1

• Connect your phone, make sure debugging mode and unknown sources enabled.
• Extract Xperia root folder you downloaded before, open it up and double-click 01-local-prop.bat (dont run as administrator) follow the instruction given. Done for this.

Step 2

• Open Flashtool, click Flash button, choose flashmode then browse the folder where you save New Firmware (.ftf) file.
• Attention!! Uncheck wipe data!
• Click OK
• Wait and turn on your phone when it finished

Step 3

• You will realize that Super Su have gone
• Now connect your phone again, open Xperia root file, double-click 02-push-root-files (dont run as administrator) follow the instruction given.
• Your phone will reboot and new application installed call Superuser
• Holla! You have done it! New firmware has been rooted!