System UI stopped after last updated software Version 42.0.A.1.94

[Lilyputt]

Pls advise why my phone XA1 Ultra keep crashes and unable to restart or shut down after last updated software Version 42.0.A.1.94. 

The error message is System UI stopped.

[Lilyputt]

Very upset a day numerous times crashes also freeze with my phone display screen totally in black.  5 minutes later back to normal but prompt the error message "SYSTEM UI ISN'T RESPONDING". 

Please advise me how to fix it soonest.  

I'm always support and confidence with SONY products. 

[Uliwooly · Accepted solution]

@Lilyputt

reinstall the latest update with XC, some users suggested that facebook was causing the issue. you might want to uninstall it and test it.

[Lilyputt]

You mean need re-install software....

Many thanks for your assistance. 

[Uliwooly]

@Lilyputt

yeah