Samsung J330F (mesh) WiFi issue - Samsung Galaxy J3 (2017) Questions & Answers

Hi all,
I have a strange problem with a brand new Samsung J3 2017. It runs on Android 7.0 and everything seems work just fine, except the Wi-Fi. Problem is basically that i suddenly get the message " internet may not be available" but it seems to just work even tho i get this error.
I get this error about 4 x a day and i really do have to switch WiFi OFF and ON again to get internet. I have tested 2 Samsung J330F phones behind severial routers. My other Samsung phone (s7) doesnt have this problem behind the same routers
Does someone maybe has a tip for me ?
I could maybe flash the phone with a stock android version but then i would lose warranty.
I did tested a factory reset twice

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I've never really been into the whole flashing deal and I'm also pretty new to the xda-forums so pls don't hurt! :angel:
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Having similar problems but also with wifi. Any advise appreciated
Skickat från min SM-G920F via Tapatalk
I have the same problem with cellular reception with my S6 duos G920F. My problem is only with sim slot 2 though. It seems to show full bars but when people call me they are getting me as unreachable.

Note Pro 12.2 Update After Canceling Data Plan

I recently picked my note pro 12.2 back up after some time sitting unused. I finally got around to getting the flickering screen fixed and want to get back into using the tablet more often. The issue I'm having now is updating to a more recent firmware. I'm unable to even check if I have the most recent firmware because I don't have a Verizon data plan or SIM anymore (long time coming) and it doesn't seem to want to update without that connection. Does anyone have a way to go about updating the tablet manually?
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Like this?
Just found this old thread of mine.
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