I have Android 6.0 security patch level 5 September 2016 kernvel version 3.18.19 build number Navon_D455_V1.07_20160922 on a Navon D455 phone that I got from Media Markt. I want to update to a more recent security patch level, and my phone also wants me to do this and is prompting me to do it periodically. The program for updating the phone is called "Wireless update" and it came preinstalled on my phone. But whenever it tries to run, Sophos tells me it is a PUA Andr/AutoIns-A.
My carrier is Telekom Hungary and I only allow apps from google play. My phone isn't rooted and I don't know how to root it.
Thank you for your help.
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