I see my phones as mini computers and believe they respond to some of the same ways.
Example in simple terms... One older program is designed to make a right at the next intersection,
but the newer programming says to go straight ahead. (The road is presumed to be finished)
Conflicting information can cause slowing or erratic performance.
I'm not smart enough to say they may be wrong. Got to take someone's word occasionally.
These guys may all be full of it, but It only takes a little while to FDR, and if they are right,
I saved myself future trouble.