Tweak List that helps speed up an old iPhone 4 : jailbreak
An iPhone 3GS running iOS 5 scored significantly better on the Web benchmarks than an iPhone 4 running iOS 4. Even though the iPhone 4 is the more powerful of the two devices, this difference shows us that iOS 5 delivers a significant boost to Javascript performance. Apr 23, 2020 · * Testing conducted by Apple in August 2017 using preproduction iPhone X, iPhone 8, and iPhone 8 Plus units and software, and in August 2018 using preproduction iPhone XS, iPhone XS Max, and iPhone XR units and software, with accessory Apple USB-C Power Adapters (18W Model A1720, 29W Model A1540, 30W Model A1882, 61W Model A1718, 87W Model A1719). I have the EXACT same issue with my Iphone 4 in and around Atlanta. I just switched from a Droid X and average speed using that phone on the Speedtest was 700K to 1.5 megs, depending on time of day. Since moving to the Iphone, I've NEVER seen anything HIGHER than 500K on 3G, which is pathetic. If your iPhone has an iOS update, please refer to this guide to start upgrading your iPhone to iOS 12. Tips 4: Clear Safari History & Cookies to Speed up Slow iPhone. To speed up your iPhone XS/XS Max/X/8/8 Plus/7/6S/6, you can clear your Safari history and website data to have a try. 1. Click Settings in the home page. 2.
Fast charge your iPhone and iPad - Apple Support
Jan 14, 2014
It's easy to speed up a video on your iPhone – or return a Slo-Mo video to normal speed – using the iMovie or Photos apps, respectively. Here's how.
How to speed up a video on an iPhone in 2 different ways It's easy to speed up a video on your iPhone – or return a Slo-Mo video to normal speed – using the iMovie or Photos apps, respectively. Here's how.