[HELP] I have 4G data but no signal bars

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I have a strange problem with my SM-G900F. After a couple of Mobile Odin Pro flash fails and restoring the original firmware with desktop Odin, I now have a strange problem: everything works ok on 2G/3G/H/H+ but when I switch to 4G I have only data and no signal bars. I tested data connection and it works ok but, of course, when I try to make a call it says "no service". If I switch back to 3G, everything works on again.

I tried factory reset, wipe cache (from recovery), nothing seems to work.

Any ideea how to fix this?

Mihai Raducan
Last edited by raducanmihai; 3rd August 2014 at 07:28 PM.
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