Apple is set to move to USB-C charging on future iPhones to comply with a recently passed EU law on common charging standards, but old charging bricks will work just fine.
Apple just killed the iPhone Lightning connector. What to do with your old chargers
How Apple's Switch to USB-C Will Change the iPhone
iPhone 12 review
Here's Why the iPhone 13 Still Doesn't Have USB-C
If you see a liquid-detection alert on your iPhone - Apple Support
The 4 Best USB Phone Chargers of 2024
USB Cable Types Explained – Versions, Ports, Speeds, and Power
What iPhone 15's switch to USB-C charging cables means for you - The Washington Post
Top Features in Apple's iOS 17 and iPadOS 17: Compatible Devices, Updates
If your iPhone or iPod touch won't charge - Apple Support
Apple September 12 Event: iPhone 15 Charging Port Change to USB-C From Lightning - Bloomberg