=== WORK AROUND ===
It seems a cold restart fixes it (properly power it off and power it up). It seems the problem will present on first setup and boot.
=== DESCRIPTION ===
Same problem, any screen off event (phone answering, timeout or screen lock button) will trigger an automatic restart.
lineage-16.0-20190116-UNOFFICIAL-harpia.zip with open_gapps-arm-9.0-mini-20190323.zip
It happens either with or without an Screen Lock (None, Swipe, Pattern)
Device: XT1601/tefmx (Movistar Mexico)
On restart no settings changes will be saved.
I have the problem to turn off the phone I must remove the battery to turn it on again. Does not respond to the keyboard or to start fastboot or recovery is there any solution?