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You may sometimes notice that some USB cables are available for very cheap price and then some are well priced. But when you buy the cheap one thinking you've saved yourself some cash and plug your phone for charging and notice well it's hardly charging. It's a common problem with USB cables. Why is that? what's the difference? How to purchase a decent USB cable? For that you need to understand how current is passed through a wire. 1. A wire needs to be a good conductor (duh) meaning it should have minimum resistance. Resistance will cause the charge to be lost and also generate heat which will affect the life of the cable 2. The cable needs to be of lower gauge meaning it should have larger diameter. Because it can allow more current to pass through it. Gauge is indicated by number USB cables have two set of wires each for data and power. Now these cheap cables are in 28/28 configuration means which will not allow more than 500mah to pass. These are just for data

Google owned Android is biggest used mobile OS. It has one thing that separates it from IOS, windows, symbian etc is that it's open source, meaning the code is available for manufacturers and they can tweak the OS by giving more options, or by using different skins and use their version of android in their phones. Now because of android's openness 100s of manufacturers launch new phones with their version of android. This can now have many good thing but have many problems too. What's good? Manufacturers often give users features that vanilla android doesn't gives. These can be small tweaks like reboot option in power menu or a battery percentage indicator in status bar or big features like multi window or theme support. Some manufacturers give users ability to create folders, hide apps, reorder apps in their stock launcher, all of which stock android doesn't support Many developers used open source nature of android and created their versions or ROMS of a