How to improve vendor negotiations

* Analysis of differences between iPhone Since the launch of Apple's iPhone,How to improve vendor negotiations new versions have been launched every year, and these versions have been constantly changing and upgrading. For ordinary users, it is difficult to distinguish the differences and advantages and disadvantages between different versions. Therefore, this article will analyze the differences between iPhone versions in detail. 1. iPhone 2G (2007) This is the first generation of iPhone, which leads the new era of smartphones.This mobile phone has a 3.5-inch screen, a 528 MHz single-core ARM 11 processor and a 2-megapixel rear camera. Moreover, this mobile phone has Internet and Wi-Fi connections, and is also the first mobile phone without a keyboard. The price of this mobile phone is relatively high, so the sales are not very good. 2. iPhone 3G (2008) This is the second generation of iPhone, a 4G mobile phone. Compared with the first generation, this mobile phone has more functions. This mobile phone has three capacities: 8GB, 16GB and 32GB, and is equipped with a 3.5-inch screen. The overall appearance is very similar to the first-generation iPhone. The difference is that its processor is much faster, reaching 620 MHz, and in hardThe performance of the part has been greatly upgraded. In addition, it has also added garbage collectors and debugging tools, making the mobile phone more stable and easy to maintain. 3. iPhone 3GS (2009) This is the third-generation iPhone, which is the first mobile phone with hardware upgrade. Unlike the first two mobile phones, this mobile phone has a faster processor and higher image processing power, and adds support for video photography. This mobile phone also has many functions such as remote control controller and voice wake-up. 4. iPhone 4 (2010) This is the fourth-generation iPhone, which is a "big leap" version of the iPhone. This mobile phone has a new appearance design, with a thinner and lighter design and a metal frame. It has a 4-inch screen, higher resolution and a more advanced camera.In addition, it also adds FaceTime video call function and multitasking function, making the mobile phone more convenient and efficient to use. 5. iPhone 4S (2011) This is the fifth-generation iPhone. The appearance is very similar to the iPhone 4, but the internal hardware has been greatly upgraded. This mobile phone adopts a more advanced A5 dual-core processor, which improves the running speed and battery life of the mobile phone. At the same time, Siri intelligent voice assistant is added to make the user's experience easier. 6. iPhone 5 (2012) This is the sixth-generation iPhone with a 4-inch screen, which is lighter and faster than the previous generation. In addition, this mobile phone also has a more advanced camera and a new Lightning interface has been added to improve the speed and quality of connection.It is worth mentioning that this phone is also the first iPhone to support LTE network. 7. iPhone 5S (2013) This is the seventh-generation iPhone. Its appearance is very similar to the previous version, but it has a more advanced 64-bit A7 processor, which makes the mobile phone faster processing and responsive. In addition, this mobile phone has also added many new functions such as Touch ID fingerprint recognition, slow-motion video and flash, which can bring users a better user experience. 8. iPhone 6 (2014) This is the eighth-generation iPhone, the first 5.5-inch large-screen mobile phone launched by Apple. In addition, this mobile phone is also equipped with a more advanced processor and a more advanced camera, which has significantly improved the performance of the mobile phone.In addition, this mobile phone also adds a new Apple Pay payment function to make consumption more convenient. 9. iPhone 6S (2015) This is the ninth-generation iPhone. The appearance is very similar to that of the iPhone 6, but the internal hardware has been upgraded. This mobile phone adopts more sufficient system memory and more advanced A9 processor, as well as 3D Touch function and higher image quality camera, making the mobile phone more fun and convenient to use. 10. iPhone SE (2016) is a special iPhone with a relatively cheap price. The appearance of this phone is very similar to that of the iPhone 5S, but the internal hardware has been upgraded. This mobile phone adopts a more advanced A9 processor and a higher-quality camera, while retaining 3.5mm headphone interface allows users to use their favorite headphones. 11. iPhone 7 (2016) This is the tenth generation of iPhone, ending the traditional headphone interface and adding a more advanced Lightning interface, while having a more advanced camera and a larger screen. In addition, this mobile phone also has waterproof and dustproof functions and a more efficient A10 Fusion processor, which makes the user's experience more convenient and efficient. 12. iPhone 8 (2017) This is the eleventh generation of iPhone, which adopts a new glass shell design and adds wireless charging function. In addition, this mobile phone also adopts a more advanced processor and a more advanced camera, and also adds augmented reality functions. 13. iPh.One X (2017) This is the twelfth generation iPhone, Apple's tenth anniversary version, with a new design and more advanced hardware functions. This mobile phone has a full-screen design and Face ID face recognition technology, which makes the mobile phone safer and more convenient. At the same time, this mobile phone is also equipped with a more advanced A11 Bionic processor and a better camera, which makes the performance of the mobile phone reach the ultimate. The above is a detailed introduction of each iPhone version. It can be seen that the difference between each version is very large, and users need to choose according to their own needs when purchasing.

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