Well Water Pressure Weak and Pump Aways Runs

I am perplexed. I can’t get the pressure up. Here is what happened/
11 Year Old Home
Submersible Well Pump – Franklin Electric 8.6a 1hp 3450 RPM
WellXTrol Pressure Tank 20 Gallon (202)
(new last week) 760 Logix Autotrol Softner/Brine Tank
(new now) Square D 40/60 Pressure...
Well Water Pressure Weak and Pump Aways Runs