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I'm looking for a phone to make a dedicated GPS for survival/backpacking. Does anyone have an idea on what the best battery life phone with an accurate GPS would be. It wouldn't be used for a phone, only GPS, maps, and for storing some relevant ebooks. I'm trying to keep it under like $300 so I'm looking for something a bit older.

I'm not sure on the technology or what gives a phone good battery life or GPS accuracy but I'm hoping some nerd here knows. Thanks.

I'm looking for a phone to make a dedicated GPS for survival/backpacking. Does anyone have an idea on what the best battery life phone with an accurate GPS would be. It wouldn't be used for a phone, only GPS, maps, and for storing some relevant ebooks. I'm trying to keep it under like $300 so I'm looking for something a bit older. I'm not sure on the technology or what gives a phone good battery life or GPS accuracy but I'm hoping some nerd here knows. Thanks.

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GPS needs to ''see'' the sky and the more satellites it can see the better your accuracy will be..deep in the bush..you are going to have issues..so be aware..boot up time for a garmin to a useable fix should be less than 1 minute in ideal conditions in dense bush you may not get a usable fix you may need to move to a clear spot. If you can't see the sky neither can your GPS. GPS signals are Circular/Helical in nature...they loop as they reach the earth...you need a reasonable view of the sky...A compass bearing does not care..