Too Long; Didn't Read
Since 4G was launched in 2010 the network researchers started exploring the possibilities 5G might offer. Major network and mobile phone manufacturers such as Samsung and Huawei spent billions by mid-2010s on 5G technology and it's just about to come true. In most of the advanced countries such as US, UK, Japan, China, UAE and many other advanced countries have already started upgrading their networks to offer 5G speed in their major cities. The cash for phones offered for 4G mobile phones is also soon to decline as 5G phones are about to flood the market.