Thank you for bringing this to our attention! After taking a look at your most recent campaign I was able to replicate this same experience. Are you copying and pasting from an outside source? Which email client are you using on your iPhone ( default mail app, Gmail, etc.)? T hese details are helpful to have as we are still troubleshooting this experience. In cases where the text on a mobile device is smaller than shown in the editor, we suggest c opying and pasting the affected text into a new text block. Doing this allows the text to remain the default size. You can see this change through the Support Copy available in your account.
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