Unlikely anyone really needs it, but here's the OTA for the ROLLBACK from OPP4.170623.014 to 7.1.2/NJH47D. This will wipe the device and is approx 720MB
https://ota.googlezip.net/packages/.../e2d9d27ee62f7feeb4119d255014c75553ef4463.zip
https://ota.googlezip.net/packages/.../e2d9d27ee62f7feeb4119d255014c75553ef4463.zip
Code:
ota-downgrade=yes
ota-required-cache=0
ota-type=AB
ota-wipe=yes
post-build=google/marlin/marlin:7.1.2/NJH47D/4045516:user/release-keys
post-build-incremental=4045516
pre-build=google/marlin/marlin:8.0.0/OPP4.170623.014/4187591:user/release-keys
pre-build-incremental=4187591
pre-device=marlin