XPERIA M2 Recovery from Brick and more...etc
u can only use this 2 item
[Drivers] FlashTool Xperia Driver Pack (v1.5) 
D2305_18.0.A.1.30_Global Generic by Sai Arkar
1.Download and install Flashtool on your PC.
2.Download the firmware you need (from the list below) and move it into the directory C:/Flashtool/firmwares
3.Open Flashtool, click on the lightning symbol ("flash device"), select "Flashmode" and click on "OK"
4.Just select the name of what you downloaded and click on "Flash"
5.Wait for a window to pop up (it may take a few minutes, be patient)
6.Now everything is ready: turn off your phone
7.Push the volume-down button, keep pushing and connect to your PC
8.Once the flashing process has started, release the volume rocker as soon as possible
9.NEVER disconnect the USB cable until it's finished!!!
10.Turn on and enjoy!
if you are using Windows 8 you will need to enable few things to allow driver installation
If you are a Windows 8.1 user, you must see this video
Please contact us if there is anything we can do.