phone battery How to keep your phone charged on a hike: 8 tips to boost battery life Phones have an annoying propensity to die when you need them the most - here’s how to avoid turning yours into the world’s most expensive rectangle How to keep your phone warm in cold weather: 6 easy tips Try these cold weather hacks to keep your phone from dying on your winter expeditions Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Bear mauls British woman's arm after she tries to take selfie through car window2"How incredibly unsafe" – tourist leads tiny child right up to snoozing bull elk in Colorado3Casio launches tough new Baby-G watch that transforms Tamagotchi-style4Hurry, there's over £370 off the awesome Garmin Epix watch at H Samuel right now5Hiker, know thyself – 5 questions to ask yourself before hitting the trail