Blunderbuss
New Head-Fier
- Joined
- Aug 14, 2014
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That can happen when the two devices are sandwiched together. Try them side by side flat on the same plane and see what happens.
It happens when they are side by side and flat, too- might be the way they were oriented on the table with respect to the cell towers, though? I'm not sure if the S4 antenna is directional or something. Anyway, this is unfortunately just a product of the design, and there's really no way to fix it afaik. I'm not even sure that Fiio did anything wrong, if the chips are senstive to the frequencies cell phones use for data, that might just be an unavoidable issue?