I keep a few older phones updated for the purposes of travel, backup phones or in case a friend needs a phone temporarily etc. Some older but popular models st

I keep a few older phones updated for the purposes of travel, backup phones or in case a friend needs a phone temporarily etc. Some older but popular models still have community maintained ROMs. I try save them from the scrap heap if I can. The main annoyance is battery life and having to keep Micro-USB chargers around.