[Wileyfox Swift] cleversokol:
I've tried this firmware on my phone and I'd like to share both experience and expressions.

Main laptop is MacBook Air, so it was quite hard to find working fastboot, adb ot GUI utilities.

Finally, I've installed them with command:

bash <(curl -s https://raw.githubusercontent.com/corbindavenport/nexus-tools/master/install.sh)

Then I tried to unlock the bootloader and flash images:

Sergeys-MacBook-Air:tools cleversokol$ adb devices
List of devices attached
adb server is out of date. killing...
adb I 4550 408520 usb_osx.cpp:259] Found vid=2970 pid=2282 serial=bf2ecad9
adb I 4550 408520 usb_osx.cpp:259]
* daemon started successfully *
bf2ecad9	unauthorized

Sergeys-MacBook-Air:tools cleversokol$ adb reboot bootloader
error: device unauthorized.
This adb server's $ADB_VENDOR_KEYS is not set
Try 'adb kill-server' if that seems wrong.
Otherwise check for a confirmation dialog on your device.
Sergeys-MacBook-Air:tools cleversokol$ adb reboot bootloader
Sergeys-MacBook-Air:tools cleversokol$ fastboot devices
bf2ecad9	fastboot
Sergeys-MacBook-Air:tools cleversokol$ fastboot -i 0x2970 oem unlock-go
< waiting for any device >
^C
Sergeys-MacBook-Air:tools cleversokol$ fastboot devices
bf2ecad9	fastboot

As you can see, I had failed unlocking the bootloader and I did not install TWRP. Also, without TWRP I had not done wipe.

Sergeys-MacBook-Air:tools cleversokol$ fastboot reboot
rebooting...

finished. total time: 0.002s
Sergeys-MacBook-Air:tools cleversokol$ fastboot devices
Sergeys-MacBook-Air:tools cleversokol$ adb reboot bootloader
Sergeys-MacBook-Air:tools cleversokol$ fastboot devices
bf2ecad9	fastboot
Sergeys-MacBook-Air:tools cleversokol$ fastboot -i 0x2970 oem unlock-go
< waiting for any device >
^C
Sergeys-MacBook-Air:tools cleversokol$ fastboot flash boot boot.img
target reported max download size of 268435456 bytes
sending 'boot' (18457 KB)...
OKAY [ 0.667s]
writing 'boot'...
OKAY [ 1.835s]
finished. total time: 2.502s
Sergeys-MacBook-Air:tools cleversokol$ fastboot flash oem oem.img
target reported max download size of 268435456 bytes
sending 'oem' (6128 KB)...
OKAY [ 0.224s]
writing 'oem'...
OKAY [ 0.734s]
finished. total time: 0.958s
Sergeys-MacBook-Air:tools cleversokol$ fastboot flash system system.img
target reported max download size of 268435456 bytes
erasing 'system'...
OKAY [ 1.131s]
sending sparse 'system' (262140 KB)...
OKAY [ 11.011s]
writing 'system'...
OKAY [ 21.393s]
sending sparse 'system' (262140 KB)...
OKAY [ 11.789s]
writing 'system'...
OKAY [ 20.547s]
sending sparse 'system' (262140 KB)...
OKAY [ 11.854s]
writing 'system'...
OKAY [ 20.591s]
sending sparse 'system' (262140 KB)...
OKAY [ 11.522s]
writing 'system'...
OKAY [ 20.518s]
sending sparse 'system' (262140 KB)...
OKAY [ 11.106s]
writing 'system'...
OKAY [ 21.263s]
sending sparse 'system' (23028 KB)...
OKAY [ 0.978s]
writing 'system'...
OKAY [ 1.729s]
finished. total time: 165.433s
Sergeys-MacBook-Air:tools cleversokol$ fastboot reboot
rebooting...

finished. total time: 0.001s
Sergeys-MacBook-Air:tools cleversokol$ fastboot reboot
< waiting for any device >

After flashing this three images I got a brick. Phone showed Wileyfox logo once and turned off. After ejecting/inserting battery, it responsed (once) to Power button, but showed only logo and turned off again.

Eject/insert battery again and pressing Power + VolDown took me to some menu. From it I've reached fastboot menu.

With windows-laptop and WileyFox Tool utility I pressed Check bootloader status button. Phone restarted and I got Android N boot animation. Then restarted again and finally I'm in Android N First Setup Utility.

Working:

— screen, touchscreen, brightness ajustment (manual)

— mic, speaker

— charging

— GPS

— 4G

— Wi-Fi

— camera (video does not work)

— night mode

— multi-window mode

Not working:

— sensors

— some apps show library mismatch

Also, Power + VolDown button now does not take me to recovery menu. It shows android with red exclamation point. I think it's not right.