I really like his tools and interface, was way irritated when the older checkm8 bug got "leaked" to apple and patched as f3arra1n allowed OTA while ibypasssignal didn't. Got an XR that has a dodgy screen but now bypassed and working with a battery from a 6s/hack to the BMS.
barbi
Only one device is free. For second must to pay. Do not try the second device; change computer and ip and try.