sony xperia LT18i security code 20 times attemp done by update service only

wanna share for refference LT18i xperia problem is 20 times attemp security code
di na ma open menu ,wala palang reset commend ang xperia na to
i try to used update service

select product LT18 xperia

connect as updater guide

now downloading update firmware and wait till daone and finish

just for newbie only