Comparisons

iOS 9 vs iOS 15 BATTERY Test on iPhone 6s - First iOS vs Last iOS!

I compare an iPhone 6s on it's original iOS version (iOS 9) to another iPhone 6s on it's final iOS version (iOS 15) in a battery drain test.

Twitter: https://twitter.com/UltimateiDevice

Instagram: https://www.instagram.com/ultimateidevicevids/

Facebook: https://www.facebook.com/pages/UltimateiDeviceVids/1476353952628051

Read next

iPhone 16 Pro Max Charge Test: 30W vs 25W vs 20W vs 15W - Wired & MagSafe

iPhone 16 Pro Max Charge Test: 30W vs 25W vs 20W vs 15W - Wired & MagSafe

We conduct an iPhone 16 Pro Max charging speed test comparing the Apple 20W, 30W, and 35W power adapters for wired charging, along with the new 25W MagSafe charger, and the original 15W MagSafe charger. Subscribe on YouTube: https://www.youtube.com/@UltimateiDeviceVids Sign up for my Email List: https:

iPhone 16 Pro vs iPhone XS Speed Test

iPhone 16 Pro vs iPhone XS Speed Test

The iPhone XS Max is currently the oldest iPhone generation still supported by the latest software, iOS 18. In this video, we conduct a speed test between the iPhone XS Max and the latest iPhone 16 Pro Max. Subscribe on YouTube: https://www.youtube.com/@UltimateiDeviceVids Sign up for my

iPhone 16 vs 15 vs 14 Battery Life DRAIN Test

iPhone 16 vs 15 vs 14 Battery Life DRAIN Test

In this video, we conduct an in-depth battery test comparison between the latest iPhone 16 and the older generation iPhone 15 and iPhone 14. Subscribe on YouTube: https://www.youtube.com/@UltimateiDeviceVids Sign up for my Email List: https://ultimateidevicevids.substack.com/ Twitter: https://www.twitter.com/UltimateiDevice Instagram: https: