Cell phones can be tricky devices to understand, especially when youre not really all that acquainted with modern technology. Regardless of your level of expertise, there are probably a great number of things you still dont know about cell phones. Keep reading to find some really great tips to help you understand more about cell phones. When buying a used cell phone, make sure you know who you are buying from. Consider only buying from a reputable company that will back your purchase Full Piece of writing with some sort of guarantee. This will protect you if the phone is defective. If you buy from an individual, consider trying the phone out before handing over any money. Think about the insurance that you are purchasing and whether or not it is really worth it in the long run. Sometimes, plans will be very valuable though, and for 10 dollars a month can replace your phone for free if you break it. This could save you hundreds of dollars if you were to replace your phone at retail price. Every few days restart your cell phone, especially if its a smart phone. You may not realize it, but youre carrying around a miniature computer in your pocket. These computers eat up memory over time, and that can lead to poor performance. All you need to do is restart your cell phone to get memory back into play. To extend the battery life of your cellphone, make sure that apps are not running in the background at all times. Some apps will continue to run unless you disable them, and this can drain your battery quickly. Check your settings to see what you need to do in order to turn these apps off and make your battery last longer. Did you know that the battery in your cell phone has some reserved power? If you find that your cell phone battery is dead, and you have no way to charge it, enter the USSD "*3370#". You will see up to a 50% increase in power. This reserve power will charge the next time you charge your phone. If you have a smart phone, it is a good idea to turn it completely off every few days. It only takes a few minutes to power it down and then turn it back on. This will help clear your memory of unneeded data and make your phone run more optimally. There is a problem if the phone battery is losing power quickly. This can be the sign of a weak signal. Weak signals can kill a battery. Dont store your phone in areas without a signal unless you have turned it completely off. If you are to purchase a smartphone, see to it that it is what you need. Smartphones cost a lot of money, and they offer good value if the features are useful to you. The problem comes in when you really only need just a basic phone that you can make calls with. If this is what youre like, then you shouldnt buy a smartphone because it costs more and that may be bad for you. Doing this may not be wise. If you only use your cell phone with wi-fi in your home, then you may want to consider dropping that expensive data plan attached to your smart phone. Sure this isnt for everyone. But if you only use that phone for talking, then why pay the additional (and expensive) data costs? If you tend to use a lot of data with your cell phone, look for cell phone browsers that compress data usage. One that does this is Googles mobile Chrome browser. Surfing using Chrome can lower your total data usage by 10% to 20% easily. This can save you money month after month. Modern lithium cell phone batteries are nothing like old NiCd or NiMH batteries, and the methods for charging them are not the same. Do not let your cell phone battery become completely depleted before charging it. Charging the battery when it is one quarter to one half depleted will actually prolong its life. You probably do not need to buy an extended warranty or insurance. Surveys indicate that only a small percentage of people buying a new cell phone did so because they broke the old one. Plus, warranties and insurance can be expensive. Instead, simply save your old phone as a backup. While the device is new, information on the topic is still widely available. Using this article as a stepping stone, continue reading to find out all you can. You may never know it all, but that doesnt mean you shouldnt learn as much as possible! Keep reading and master the cell phone.