imessage font keeps changing size and font while typing

iMessage font is repeatedly shifting between fonts and sizing while I type a reply to a friend


Link to video of issue

iPhone 12, iOS 18

Posted on Mar 26, 2025 9:45 AM

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Question marked as Top-ranking reply

Posted on Mar 26, 2025 9:53 AM

If the font size and type in iMessage keeps changing while you're typing, you might have accidentally activated Zoom or a similar accessibility feature. To fix this, double-tap the screen with three fingers or ask Siri to turn off Zoom. 


Here's a more detailed explanation:

  • Check for Zoom:
  • It's possible that you've accidentally enabled the Zoom feature, which can cause the text to appear larger and potentially change the font. 
  • Disable Zoom:
    • Double-tap with three fingers: Try double-tapping the screen with three fingers simultaneously to toggle Zoom off. 
    • Siri: Alternatively, hold down the side button for a few seconds to activate Siri and ask her to turn off Zoom. 
  • Check for other accessibility features:
  • If Zoom isn't the issue, explore other accessibility settings in your iPhone's Settings app (Accessibility > Display & Text Size) to see if any other settings are affecting the font. 
1 reply
Question marked as Top-ranking reply

Mar 26, 2025 9:53 AM in response to Melena_sterling

If the font size and type in iMessage keeps changing while you're typing, you might have accidentally activated Zoom or a similar accessibility feature. To fix this, double-tap the screen with three fingers or ask Siri to turn off Zoom. 


Here's a more detailed explanation:

  • Check for Zoom:
  • It's possible that you've accidentally enabled the Zoom feature, which can cause the text to appear larger and potentially change the font. 
  • Disable Zoom:
    • Double-tap with three fingers: Try double-tapping the screen with three fingers simultaneously to toggle Zoom off. 
    • Siri: Alternatively, hold down the side button for a few seconds to activate Siri and ask her to turn off Zoom. 
  • Check for other accessibility features:
  • If Zoom isn't the issue, explore other accessibility settings in your iPhone's Settings app (Accessibility > Display & Text Size) to see if any other settings are affecting the font. 

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imessage font keeps changing size and font while typing

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