If nobody has an old 14.1 flash zip stored on a computer or can extract it from a backup, then the only way to downgrade I know of would be install /e/ - though it’s modifications to Lineage OS could maybe interfere with your intention again.
If nobody has an old 14.1 flash zip stored on a computer or can extract it from a backup, then the only way to downgrade I know of would be install /e/ - though it’s modifications to Lineage OS could maybe interfere with your intention again.