For many Apple users, the iPhone 4s, iPad 2, and original iPad mini are often relegated to a drawer, considered "obsolete" by modern standards. These devices generally top out at iOS 9.3.5, an operating system that Apple released years ago. While the stock experience on these firmwares is now buggy, slow, and limited, there is a hidden world of optimization waiting to be unlocked.
Step 2 — Add high-quality repos High-quality repos minimize broken tweaks and malware. In Cydia: cydia repo ios 93 5 upd extra quality
A Cydia repository, or "repo," is a server that hosts Cydia packages and allows users to access and install them on their device. Repos can be thought of as Cydia's version of the App Store, but instead of featuring official apps, they offer a vast array of third-party content. Retro-Revival: Why the iOS 9
AppSync Unified: Allows you to sideload .ipa files of apps that are no longer available on the official App Store. Step 2 — Add high-quality repos High-quality repos
Adding new sources is the first step to accessing "extra quality" content: BEST Cydia Sources For iOS 9.3.3 Jailbreak Tweaks