How to fix “Memory full” error on Apple Watch

Many owners of iPhone and iPad with a 16, 32 or 64 GB drive are familiar with the problem of overflowing the internal memory with the system cache – the same legendary “Other” section in the storage consumption statistics. Smart watches from Apple also have built-in memory, and are also prone to this problem. And since Apple Watches with 256 or 512 GB of memory do not exist, literally every owner of them can face memory overflow.

What to do if there are no user files on the watch, but the device already warns about storage overflow? Most likely, the matter is in the system cache or watchOS update files, which the watch does not delete for some reason. Unfortunately, Apple hasn’t provided any button, setting, or tool to clear the system cache. The only way to get rid of the annoying warning is to relink the Watch to your iPhone.


  • Open the Watch app on iPhone
  • Click “All Clocks” and then the “i” icon next to your clock
  • Select “Turn off Apple Watch”
  • Wait for the process to complete.
There is no need to back up data from your watch beforehand – it happens automatically, a copy is stored on your iPhone.

When your Apple Watch prompts you to connect it, follow the steps and restore your data from a backup, or set your watch up as new. Both methods will clean up the bloated “Other” section and the device will no longer bother you.

Source: by

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