iPhone 17 Pro Max Mail autocorrects first letter

A third‑party dictionary or keyboard extension may be interfering with the system’s text‑input behavior. On an iPhone 17 Pro Max running iOS 26.1, this kind of conflict can trigger an odd pattern in the Mail app: the first letter of the very first word is autocorrected every single time, regardless of what you type. Because the keyboard sits at the system level, even a subtle compatibility issue can force Mail to “correct” text you never intended to change.

amgonzales150 wrote:

iphone 17 pro max IOS 26.1 autocorrecting first letter of first word in mail app every single time regardless of word.

Please provide specific examples of what is happening and screen shots of your settings for keyboards.