5c low wifi signal bar

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Hi there,

after reballing touch ic on a 5c, i have a slow wifi Reception, full at 1 meter of the router, half at 3/4 meters and nothing beyond 7/8 meters.

I tried to change the antenna but the same.



I tried rehoting gently the wifi chip but the same too.



Any idea ?


Thank You!!!



I didn't find the right solution from the Internet.

References
forum.gsmhosting.com/vbb/f631/5c-low-wifi-signal-bar-2289319/
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