Sony Xperia M2 18.6.A.0.175 Lollipop Firmware

Prerequisites for Installing ROM on Sony Xperia M2

Open Flashtools and click the distance as described
In the next window, click “Flashmode” and then “OK”
In the next window, select the room and “OK”
see that in the next window will take a while, it is preparing the files ;
At an average of 10sec, a new window will appear
turn off your phone, press “back” (if it does not, press volume – less), be pressed and connect the USB cable
Wait for the process, to finish, until like the image below, remove the USB and turn on your smartphone !.
After flashing process starts, it might take up to 5-10 minutes. So, keep patience and wait