: Back up your data if possible. Ensure you have a reliable USB-C or Lightning cable.
However, it's essential to note that creating a RAM disk on an iPhone XR (or any iOS device) is not a straightforward process and requires: iphone xr ramdisk free
bootrom exploit. This exploit is permanent and unpatchable, but it only affects devices with A5 through A11 chips (iPhone 4S through iPhone X). : Back up your data if possible