so, metal cases in reception

is there metal/aluminum case not affect recepton?! have glide , after 2 months have take off, love , feel due continuous random loss of reception have lost 90 minutes of battery life. i'm trying stick natural metal feel of phone bumpers , plastic cases out of question. help

i've read ghost armor or helping reception?

 

i have yet see metal case doesn't affect signal transmission or reception in way.
wish wasn't case.
using phone strong signal present helps.

 

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