Tools:
USB Data Cable
Flashtool
Firmware
Procedure:
Download FTF File kay Master Jtaggers https://antgsm.com/forum/threads/xperia-acro-hd-is12s-password.109559/ Credits po sa kanya

Download Flashtool here https://www.teamandroid.com/2017/04/24/download-sony-xperia-flashtool/
then open flashtool click mo yung kidlat na sign. >Select Flashmode< Click OK.
Locate the FTF file kung saan mo nilagay.
Check Userdata para masali sa Content
Click Flash. wait till done and open the phone
Imei:
Done ^_^