Ios 13.6. Battery issues

Hey there, Grover Grover.

After reviewing your post, it appears that the battery life of your iPhone XR on iOS 13.6 is shorter than you expect. We're glad to help with this.

Charge and monitor the iPhone battery -- Review the information in this article for steps to use to increase the battery life of your iPhone. Be sure to check the battery usage information, as that can provide clues as to what is draining your battery the most. Be sure to check the battery level for the last 24 hours and the battery usage for the last 10 days. Be sure to check your battery's health, 

Batteries - Maximizing Performance --  This article provides information about lithium-ion batteries and how to maximize its performance. After reviewing the information under "General Performance Tips, scroll down to Tips for iPhone, iPad and iPod touch. Be sure to also check out the other links provided in this article for more information and steps.

Once you've applied the tips to extend the life of your battery, test the issue for a couple of days to see if it's improved.

Let us know how that goes.

Take care.

I had the same problem! I have an older iPhone, but I messed with it most of the day and mine was related to privacy settings (network searching ) and just toggling the WiFi button off and on and a reset. Hope this helps. I think this is a bug in IOS 13.6