Use the AssistiveTouch Cancel-Restart trick (Part 2) to instantly free up RAM. Combine this with weekly hard reboots and maintaining 10GB of free storage. Your iPhone XR will feel as fast as the day you bought it.
The iPhone XR can be jailbroken on iOS 12 – iOS 15.4.1 (using Dopamine or Palera1n). iOS 16/17 on XR currently has no public jailbreak for Ramdisk creation. How to Create a Real Ramdisk on iPhone XR (Post-Jailbreak) Once jailbroken, you can use terminal commands (via NewTerm 2) to create a Ramdisk: iphone xr ramdisk free
If you truly need a Ramdisk for development or extreme customization, jailbreak your device (iOS 15.4.1 or lower) and use the terminal commands above—but remember, a reboot erases everything. Use the AssistiveTouch Cancel-Restart trick (Part 2) to