How to preserve battery life 168 hours?
I'm going camping in the woods for a week. I will not be using my Wi-Fi/4g data/apps or anything else on my phone. There are also no charging stations available at the camp. Although I do need my cellphone by Friday to call someone. Currently I have a 4S iPhone. Any tips? Or any experiences with out charging your phone for a week?
Shut it down when you're not using it, and if you do use it turn airplane mode on, and keep your brightness relatively low.
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