In the time and date settings uncheck both the automatic time and the automatic time zone options. Then you can manually select GMT + 1 and the time you want. Shouldn't change by itself anymore.
Try to check in settings - device - accessibility. There is an option to turn off all sounds, including voice. But then all other sounds should be turned off as well, which I am not sure is your case.
They update automatically but not continuously. You can set the frequency of the automatic updates in the app's settings. I don't know about the steps tracker, but Accuweather has a 1 hour interval as the most frequent update.
Might it have something to do with your headphones? Have you tried using different ones and checked if it works?
In this thread they discuss how there might be incompatibilities when using Apple headphones on Android devices...
Re: how can I recover facebook messenger deleted chats of samsung
You can Google "Kamas Lite", it's a recovery program. You can download the program and preview the messages or chats recovered without paying, so you can decide to buy it if the contents that you need are still there. There are...