I updated my brand new handset to Android 9 a few days ago, since then i keep geeting system.ui errors which eventuall restart my phone, my phone also becomes unresposnisve and I cannot use or select anything on the screen. Additionally my power button and volume keys do not work at all now. I have completed a factory reset and i have also used experia companion to repair the software, neither have worked. I have spoken to the helpdesk and in accordance with their script have advised i send the phone back for repair. If i do this this will be seond time my handset has been back at the repair centre in a month! (1st time was unrelated issue). This MUST be a software issue as the handset was aboslutly fine until the android update occured!!!
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