Sony xperia is one of the smart phone which does not support normal hard reset Button (volume up,down and power button). Xtechmobile Team have make and ftf file which you can download and flash you sony phone atleast the size varies from 825kb-150mb depending on the sony xperia you want to flash out pattern or security lock.you can download the ftf file below and also you can read how to flash and install flash tools drivers
How to Flash sony Xperia Smart phone using flashtools (.ftf)
ZavrinaJuly 11, 2016 at 7:09 am
Haaaahhh. I’m not too bright today. Great post!