No space for latest iOS download

running ios 18 on my iPhone 18 Have a red 1 on the Settings app to download ios 25. haven't got room, and can't afford to upgrade phone. how do I get rid of the 1

iPhone 11, iOS 18

Posted on Jan 29, 2026 9:58 AM

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Question marked as Top-ranking reply

Posted on Jan 29, 2026 10:00 AM

is your System Data more than 5GB?

Backup and restore to reduce it.


Resources…


Back Up: How to back up your iPhone, iPad, and iPod touch - Apple Support


Erase & Restore: Restore your iPhone, iPad, or iPod touch from a backup - Apple Support


 

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No space for latest iOS download

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