Wifi Isnt the issue its the cellular signal that supposedly interferes.
Even then its debatable as ive been on many flight where people haven't switched their device but just put it in their bag.
With some many flights around the world + mobile phones - if it really did make a huge...
Re: Galaxy S4 Turn's Off by itself sometimes
"Made In China" batterys are bad. I got replacements from Samsung which were
"Made In Japan / Assembled In China" & "Made In Korea". The bad one I had was "Made In China".
Thats from a bad batch Id be careful they can swell and bend your screen. I took mine out and stopped using it.
Contact Samsung or where ever you got your phone from.
I dont know why you would want to have metal to be honest. If your after protection
surely the best would be something that absorbs shock like rubber/silicone.
People who have had a defective battery in their S4s, where was yours made ?
My faulty one says "Made in China".
My replacement fro Samsung say "Cell Made in Japan, Assembled in China"
&
I have another new Samsung that says "Made in Korea".