Wileyfox Swift Crackling booting only into fastboot

[Android Central Question]

I was trying to install a now ROM (Lineage OS 17.1) and installed both that and google apps using TWRP. Unfortunately it only boots back into fastboot mode. If I take the battery out and leave it for 5 mins and out it back in the problem persists. I've tried reflashing both and tried installing just Lineage once, and tried using a slightly earlier version of the ROM.
I think the problem is not in what I'm flashing but the way the system is set to boot. I've tried running the "fastboot oem fb_mode_clear" command but that returns the error that the command doesn't exist. Any help would be GREATLY appreciated. Thank you!

(the PC attached to the phone is a Ubuntu Linux system)

 

[Rukbat]

Try flashing the stock ROM, or LOS 14.1. The latest LineageOS for the Wileyfox Swift Crackling is 14.1, so if you have a 17.1 version, it's probably not real.