my xperia xz starts and stops endlessly

[coool38]

please help, i'm french and my english is just ... basic but i need your help because the XZ i have bought a month ago has become crazy. He starts with the logo sony and android, stops, black screen, five seconds, and restarts, and again and again... endlessly...

What can i do ?

[Qatrium]

@coool38

I'd suggest that you perform a software repair using Xperia Companion. This will do a clean installation of the latest firmware and will also wipe your internal memory. Bear in mind that you will lose any data stored on the internal memory (SD card will not be affected).

Follow the steps given in blue links, and keep us updated.