This has enabled services like AirDrop to be possible.
Tech terms computer dictionary Bluetooth#
(Bluetooth 4.1 and Bluetooth 4.2 were launched in December 2014, but the iPhone 6 series came out before then.)īluetooth 4.0, also known as Bluetooth Smart, incorporates a low-power standard, which means it can be turned on and left on without causing a drain on the battery. The latest full-number version of Bluetooth, a specification with which the iPhone 4S and later are compatible. Although actual resolutions still vary, the most common is 3840×2160 pixels, which is four times larger than a high definition television set. This compares to the 2,560 x 1,440 found on a current 27-inch iMac. 4K stands for 4,000, and is so named because it will have around 4,000 horizontal pixels. What is 4K?Ī new type of television and monitor that is hoping to replace high-definition.
Says 4G coverage is accessible to 80 percent of the UK population at present, and claims this number will rise to 98 per cent in the next year. Most mobile phone providers are now offering 4G along with 3G as standard, for either the same price or a slight increase.Ĭarphone Warehouse (which admittedly has a vested interest in bigging up the technology) While 4G will eventually replace 3G, for now both networks run side by side, and your average iPhone can access both 3G and 4G (as well as lesser known standards such as Edge). They offer faster speeds and greater reliability than the 3G network.
4G and LTE (Long Term Evolution) are newer types of mobile internet.