Although.... if you have your phone on you... maybe just call for help?
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Field Manuals are pretty easy to find online from most survival sites and also http://fas.org/irp/doddir/army/
But not sure how much good it'll do you to read from your phone if you're that unprepared and already unknowledgable about survival and out where you'd actually need the info.
Buuuut... if you'd like to review the info while pooping it's a good study guide lol.
Carpool VC - S2E3, Prerna Gupta, Founder/CEO of Hooked