We don’t know where you are, but here we are in the negative numbers when it comes to outside temperature. Verizon has offered some helpful cell phone tips. The cold can run down your battery quicker, so recharge often. Because the display cover can actually become brittle, they suggest you keep it in an inside pocket so it will receive your body warmth (or get it a fuzzy cover.) Check your signal strength to determine where it is the strongest during a normal day. Finally, keep a list of emergency numbers in your address book such as police, fire, rescue agencies, and schools to check for closings.