Not every iPhone supports MagSafe. Apple introduced MagSafe with the iPhone 12 line and it has incorporated MagSafe into the iPhone 13, iPhone 14 and iPhone 15 lines as well. This means that no MagSafe wallet will work with an iPhone 11 or earlier. It won't work with any iPhone SE, either.
The iPhone 12 mini and iPhone 13 mini can hit maximum charging speeds with a 9V/2.03A power adapter. Apple today released updated firmware for the MagSafe Charger that's compatible
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