My X10II is also crashed since 1 month. I connected via USB-C == UBS-A adapter a normal keypad and than I switch on the phone an entered the pin manny times and vola the phone was on. Now you need WLAN for SSH. I think you can also switch on it via the keybord. I will test the way later on my X10III that I now use. Good luck!
here are more details what you can do on a broken phone: