I thought the Garmin 60CSx had a sensitive GPS receiver until I compared it to my much newer Garmin Oregon 600 - more satellites faster and it also works with GLONASS (the Russian GPS system) too. I thought electronic compasses self-calibrated by turning a 360...

Meantime, I’m switching to a flip phone with no apps Kyocera DuraXV. It removes the temptation to run down the battery on unnecessary trivia. When not in use I turn it off.