Xperia stops and does not start any more during the update

[Loic-bonnet]

I had my Xperia M one week ago, I made the updates asked by Wi-Fi. The telephone asked me to make one updated with a PC, it is what I made. During her(it) updated on PC the telephone went out and do not want to start any more. I kidnapped the battery(drum kit) and the SIM card but nothing to make the telephone ignites and stays black screen. Help!

[#2]

Try again repair your phone... It must help you... By the way first time phone can turning on a little bit longest neither later in normal use, be patience - wait until phone turns on I think u take battery from device too fast... DON'T TAKE BATTERY FROM DEVICE WHILE THIS TURNING ON Hold the instructions