How to change the font size in Signal for your display and messages on a computer or mobile device

You can change your font size on Signal on a computer or mobile device.
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Signal, an encrypted messaging service, lets you change the font size of the app's display and messages.
You can change your font size in Signal on the platform's desktop, Android, and iPhone apps.
Adjusting the font size in the Signal app can reduce eye strain and is more user-friendly and accessible visually impaired persons. 
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