Fast science and technology news on September 12Apple will unveil the iPhone 15 series at 1 a.m. on Sept. 13, with the most closely watched iPhone 15 Pro series, which will be the most powerful iPhone in history.

There are 15 changes in the iPhone 15 Pro series compared to the previous generation, as follows:

First, the iPhone 15 Pro series models will be made of titanium alloy, which is called Ti-6Al-4V. It consists of 6% aluminum, 4% vanadium and 90% titanium, and has extremely high mechanical properties. Its corrosion resistance is very good, and it can even withstand many strong acids and strong bases.

Second, the iPhone 15 Pro series will replace the original joystick mute button in the form of a button, which supports customization, such as one-button muting and one-button turning on the flashlight.

Third, this year's iPhone 15 series & ldquo; Island & rdquo;, in which the Pro series supports a high refresh rate of 120Hz.

Fourth, the frame of the iPhone 15 Pro series has been greatly narrowed, and it has been revealed that the frame has achieved 1.55mm, which is currently the narrowest border in the industry.

Fifth, the iPhone 15 Pro series launch A17 bionic chip, which is the first 3nm chip in the mobile phone industry, with strong performance.

Fifth, the iPhone 15 Pro series launch A17 bionic chip, which is the first 3nm chip in the mobile phone industry, with strong performance.

Seventh, the iPhone 15 Pro series will be equipped with 8GB memory at the highest.

Eighth, the iPhone 15 Pro series provides the highest 2TB storage, starting with 256GB.

Nine is the standard USB-C port of iPhone 15 series.

Ten is that Apple iPhone 15 series boxes will be equipped with standard USB-C braided wire, no longer the traditional white rubber data cable.

The iPhone 15 Pro series offers silver, black, Titan gray and dark blue on National Day holiday. The traditional gold color is missing.

The 12th is the first time that iPhone 15 Pro Max has added a periscope telephoto lens, which greatly improves the ability of optical zoom.

Thirteen is the iPhone 15 Pro series fast charge upgrade, supporting up to 35W flash charge.

Fourteen is the iPhone 15 Pro series supports Wi-Fi 6e.

The 15th is the increase in the price of the iPhone 15 Pro series, and Apple is expected to increase the price by $100.

Apple will reveal more details at the new product launch on Sept. 13.