Iphone Xr Custom Ipsw //top\\ Download Patched
Bottom line: using a patched IPSW. At best, you can use a tethered boot with a ramdisk—but that’s not a permanent flash.
If your goal for a "patched" IPSW is to jailbreak, you do not typically need a custom IPSW. Instead, you use a jailbreak tool on official firmware: iphone xr custom ipsw download patched
These are but can be restored via iTunes/Finder. Bottom line: using a patched IPSW