Apple has released software patches for iOS, Safari and macOS. According to Apple. the patches are aimed at mitigating the effects of the Spectre bug. This bug, as we've previously reported, affect many devices including those produced by Apple.

The macOS patche is available for macs running macOS High Sierra 10.13.2. The iOS patch is for iPhone 5s and later, iPad Air and later, and iPod touch 6th generation. Apple has not commented on whether it will release similar patches for older devices.

To update your iOS device Go to Settings–>General–>Software Update, and your phone/iPad should see the update and give you an option to download. For macOS, open the App Store and go to 'updates'.

The details of the patches are here:

https://support.apple.com/en-gb/HT201222

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