SOLVED
Hello everyone!
@Gratfil, sorry to hear about this and I apologize for the late reply, I have been out of office.
Was there any change when you let the device charge for a couple of hours? If you still can't power it on, I would recommend that you get in touch with your Local support team and they will assist you further, as the device will need to be examined at an authorized service centre.
@AnaLi7, sorry to hear that you are still experiencing this behaviour after trying the troubleshooting that I have previously posted in this thread.
If you have done the software repair using Xperia Companion, please get in touch with your Local support team and they will assist you further with having your device sent in to an authorized service centre.
If you have any questions regarding warranty, local service routines and so forth, they will gladly assist you with this as well!
@Shen02, very sorry to hear about this. 
I'm afraid that I don't have any information if this is possible as I only work with technical support and all repairs are handled by our authorized service centres, so I would recommend that you raise this question to your Local support team, or directly to the authorized service centre and they should be able to answer your question!
Keep me posted!
Hi @dognation12, welcome to our forum and I'm sorry to hear about you not being able to power on your device.
Have you had the chance to try any of the troubleshooting that I have previously posted in this thread? If you haven't done that yet, I would recommend that you start with holding down the power button and volume up button for 10 seconds. Try powering on the device after the short vibrations.
Let me know how it goes! 
Hi @deadl1fe, sorry to hear about your device.
Do I understand correctly that the device is starting up, but each time you end up at the Sony logo and then it does not proceed further into the booting process? If that is the case, try removing the SIM and/or SD card(s) from your device and power it on again and see if you can get past the Sony logo.
If you can't, try performing a software repair using Xperia Companion. This will delete all data stored on the internal storage of your device and will reinstall the latest available software again. Do note that since the device can't be fully booted up, a backup is not possible.
Let me know if that helps!
Hi @ASTRORX, welcome to our forum and I'm sorry to hear about your device.
If you can't perform a software repair using Xperia Companion, the device will need to be examined by a trained technician at an authorized service centre.
This is a Global user based forum and I'm situated in the Nordics, so I would recommend that you get in touch with your Local support team as they are the experts on your market and are very well informed when it comes to local service routines in your market, location of service centres and so forth.
Keep me posted!
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