iPhone 11 Pro Max started lagging and overheating after updating to iOS 26

im using an IPhone 11 Pro Max and I updated to IOS26, I use this device for trading , I lost loads amount of money yesterday because of the lagging and overheating of the phone , please sort that out , we use this devices for important things like businesses, I’m sitting here and really dissapointed because I relied on iPhone up until what happened yesterday

[Re-Titled by Moderator]

Original Title: Please fix the IOS 26 issue