iPhone 7 has weird charging animation

Hi.

I have noticed with my iPhone 7 that it I turn it off and then plug it into the charge instead of turning back on like all apple devices it shows this battery icon (see picture) which I have never seen on any of my apple products. If I then hold the power button it turns on. I also noticed that in settings Wifi is called “WLAN” and has some strange settings I have not seen on my other iPhone 7. Henceforth whenever I open a app it asks me if I want to use only WLAN or WLAN AND WIFI with the app. I checked all the serial numbers and it is all legit and everything else is identical to my other iPhone 7 so it is a real iPhone.

any ideas?

cheers