Samsung Galaxy S 4 (GSM)
Top message: Weak body by Tofuchong
Replying to: Re: Weak body by techalum99
Re: Weak body
And yes - definately true about metal and glass. Not only that, but a phone with a metal backing usually doesn't support NCF becuase the signal is so weak it can't penetrate the metal. If you have a plastic back, you can get the SD card with integrated NFC, but thats not an option if it is metal backed.
Plus yes - its a great conductor and it attracts heat-cold as well much faster than plastic. I've had plastic and metal phones sitting side by side in direct sinlight, the metal phone stopped working and gave a warning that it was overheating, and the plastic phone was still nice and cool. (Metal phone was iPhone 4S, plastic phone was LG Optimus 7)
Shop for accessories specifically compatible with the Samsung Galaxy S 4 (GSM).