Poor WiFi connection after Pie update AT&T

mitbit2k3

Senior Member
Aug 16, 2014
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I only get 25 mbps on either 2.4 or 5 GHz. On my laptop or Galaxy S10 I get my full 150 mbps. I've done a hard rest ( always do after a major update) without improvement.
I've toggled WiFi scanning and automatic turn on..... still slow.

Might a downgrade to Oreo remedy this? Is that even possible.....or would the global firmware work better?