According to reports, Apple will release a new generation of iPhone (iPhone 12) next week, its main selling point is to increase support for “5g” network. But unfortunately, so far, the U.S. mobile operators have not been fully prepared for this technology. Apple announced in the early morning of October 7 that it would hold a global conference at 1:00 a.m. Beijing time on October 14, which would be the second autumn conference held by apple this year. < / P > < p > and “5g” will be the core topic of this conference and one of the main selling points of iPhone 12. Compared with the current 4G LTE technology, 5g will make the download speed of iPhone cellular network many times faster. However, in some developed countries such as the United States, the coverage of 5g network is still limited. < p > < p > as the three major mobile operators in the United States, Verizon communications, at & T and T-Mobile U.S. companies have not yet launched a “real” 5g network, that is, they have not launched a real high-speed or wide coverage 5g service. If these companies don’t upgrade their networks significantly as soon as possible, many consumers who buy the latest iPhones may find that the main features of the iPhone 12 become bland. < / P > < p > both at & T and T-Mobile claim that their 5g networks cover “the United States,” which means they can reach 200 million people in the United States. But in fact, their 5g network coverage is still sporadic, and the data speed is not always fast. < / P > < p > in contrast, Verizon’s 5g network using millimeter wave technology is much faster, but it can only be used in parts of 36 cities. Moreover, because of the frequency, the signal will deteriorate rapidly. Of course, Verizon is expected to announce the launch of 5g nationwide as early as next week, according to people familiar with the matter. In addition, T-Mobile has been boasting about speeding up recently. According to strategy analytics, a research firm, in the first quarter of this year, Samsung led mobile phone manufacturers shipped 3.4 million 5g mobile phones in the United States, accounting for only a small part of the entire market. < / P > < p > in contrast, 5g performed much better in several other countries. In the second quarter of this year, 5g phones accounted for one-third of all mobile phones sold in the Chinese market, according to counterpoint research, another research firm. Global Tech