1, higher power consumption, dual card means higher power consumption. In the case of single card, the battery life of iPhone6 is not ideal. If it is dual card dual standby, the result can be imagined.
2, affecting sales, the birth of dual-card is to meet the needs of those who have two or more numbers and don't want to carry two mobile phones with them. For many people, at least for fruit powder, another important reason is to buy another iPhone, so the sales of iPhone are likely to decline, which is obviously not what every Apple shareholder wants to see.
3, the design of the fuselage, Apple has been unable to leave room for the dual-card design, because whether it is a more general dual-card slot design, or some domestic manufacturers adopt the design of a card slot and dual sim, it will inevitably occupy more internal volume of the fuselage. Think about Apple's sim card and lighting data interface. There is no room for another SIM card.
4. The demand is not enough to drive R&D. The three reasons mentioned above cannot be used as the fundamental reason why Apple does not launch a dual-card iPhone, because if it really decides to make a dual-card iPhone, all the above three problems can be solved or improved. The fundamental reason why Apple does not launch dual-card iPhone is unnecessary, because dual-card dual standby is only needed in China and some developing countries, which is caused by the complexity of operators in China and other developing countries. In these developed countries dominated by Europe and America, this problem does not exist. For example, in the United States, there are four operators and two network standards, CDMA2000 and WCDMA, which not only have more choices, but also are more versatile. No need for dual cards and dual standby. Apple's primary target market is developed countries and regions such as Europe and America.
Dual card dual standby is a wonderful but really convenient function. It first appeared in China, but at the same time, it also decided that this function would have distinctive China characteristics. Since this function originated in China, there is no need for Apple to produce dual-card dual-standby mobile phones? .