Hello Everyone!
My SONY XPERIA Z ULTRA was working alright but just was having some issue with receiving SMS. So I connected it to a XPERIA COMPANION and did a software repair. All the download and then flashing went uneventful. I also got this ultimate message on the screen that the software repair went successful and to unplug the device and power it on. But then there is no response from the phone except the LED which is blinking at a constant frequency. If you press the power button then it stays for a while. I have experimented all the volume +\- with power button for over 30 seconds but got no solution. The computer also does not show it neither in storage nor in XPERIA COMPANION and flash tool. The interesting thing is that I have got two XPERIA Z ULTRA devices now in the same issue.
I am very optimist about it that it can be brought back to life. Just I need is expertise.
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