After new software update, phone is running very sluggish, some apps barely will open,

[LindseyBobola]

Just did a software update on my galaxy s6 edge, now it is running very sluggish, some apps will barely open, is there any way to make it run faster again

[timdsmith72]

Sometimes, after an OTA, you need to wipe the cache partition or you'll see some weirdness. 

Here's how:

How to perform wipe cache partition on Samsung S6 and S6 edge » Samsung Galaxy S6 Manual