Yes!
When I'm at work, the signal strength alternates between -120dBm 99asu and -100dBm 1asu.
This causes my battery to drain rapidly. And my pocket gets really warm to let me know my phone is sucking the battery dry.
If I didn't keep my phone plugged in at work, I wouldn't make it through half the workday without my phone going dead.
That is a problem.
Mine frequently hovers around there (like any place in my apartment), and I don't get those battery drains or terrible signal issues. You should check for a rogue app.
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