What version is the Apple 13 system?
The factory system version of Apple 13 is iOS15; Apple 13 uses a 6.1-inch OLED screen; the height is about 146.7 mm, the width is about 71.5 mm, the thickness is about 7.65 mm, and the weight is about 173 grams; it comes with red, starlight color, Six colors: midnight, blue, pink, and green.
#The operating environment of this tutorial: iOS 15 system, iPhone 13 mobile phone.
What version is the Apple 13 system?
The factory system version of Apple 13 is iOS15.
iOS 15 is a mobile operating system developed by Apple. It was released at the 2021 Apple Global Developers Conference on June 8, 2021, Beijing time.
iOS 15 brings a new FaceTime and notification interface, and improvements to applications such as photos, weather, wallet, and maps.
On June 1, 2022, Apple pushed the iOS 15.6 Developer Preview Beta 2 update to users (build number: 19G5037d).
iPhone 13 is an iPhone phone released by Apple in the United States at Apple Park at 1 am on September 15, 2021, Beijing time.
iPhone 13 uses a 6.1-inch OLED screen; height is about 146.7 mm, width is about 71.5 mm, thickness is about 7.65 mm, and weight is about 173 grams; available in red, starlight, midnight, blue, pink, green Six colors.
iPhone 13 is IP68 waterproof and uses an exclusive super ceramic panel; it is equipped with a 12-megapixel wide-angle lens and a 12-megapixel ultra-wide-angle lens rear camera system, and a 12-megapixel front camera; it is equipped with an A15 Bionic chip, supports 5G, and has 128G, 256G, 512G optional
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1. First click the camera to enter the photo taking interface. 2. There is a focal length option in the camera interface with the word [1X]. The user needs to click this button to proceed to the focal length selection. 3. Then turn to the value of [0.5], and the wide-angle lens is successfully turned on.

1. Select to enter the phone’s settings and click [General]. 2. Select Device Management as shown in the picture. 3. Find the file you have not authorized and click on it. 4. Select Trust on the negotiated interface.

The resolution of the iPhone 13 is not 2K; the 2K resolution is "2560*1440", and the resolution of the iPhone 13 is "2532x1170", so it is not 2K. Apple 13 is an i smartphone released by Apple on September 15, 2021, Beijing time. It uses a 6.1-inch OLED screen with a screen resolution of 2532x1170 pixels, a screen brightness of 800 nits, and a peak brightness of 1200 nits in HDR mode. special.
![Why is the iPhone 13's photos unclear? [Solution to the latest iPhone blurry photos]](https://img.php.cn/upload/article/000/000/164/170723079771931.jpg?x-oss-process=image/resize,m_fill,h_207,w_330)
Set the focus for your subject Improper focus is one of the common causes of blurry photos, and is also affected by light. Most people usually shoot with autofocus, and the results are usually pretty good. However, the autofocus can sometimes disappoint, resulting in images similar to the photo above. For best results, you can touch the screen in the iPhone's built-in camera app to set the focus manually. Sufficient light Sufficient light will not only allow you to get clearer photos, but also improve the quality of the photos. Whether you are shooting landscapes or portraits, you should ensure that there is sufficient light under the iPhone lens. When the shutter is open for a longer time, the movement may be slower. Too much will lead to blur. Generally, the scene should be carried out in a place with sufficient indoor light or a place with sufficient natural light outdoors.

The Apple 13 is equipped with the A15 Bionic chip. The A15 chip uses TSMC's 5nm process technology and integrates 15 billion transistors, which is a 27% increase in the number of transistors compared to the A14. The single-core performance is improved by 8%, and the multi-core performance is improved by more than 15%. The chip uses 2 performance cores + 4 energy efficiency The core consists of a 6-core design, in addition to a 4-core graphics processor and a 16-core neural network engine.

1. Find the text messaging function on your phone. 2. First enter [DGVOLTE] to activate, then enter [Y] to confirm. 3. Then follow the text message prompts to find the call function in the settings. 4. Then click the button on the right side of VoLTE.

1. Click [Battery] in the phone settings menu. 2. Click [Battery Health]. 3. Turn on the switch on the right side of [Optimize Battery Charging].

The differences between Apple 12 and 13: 1. Design; 2. Screen; 3. Performance; 4. Camera; 5. Battery life; 6. 5G network; 7. Color selection; 8. Storage capacity; 9. Price; 10. Screen Refresh rate; 11. Front camera; 12. Other functions. Detailed introduction: 1. Design, the Apple 12 series adopts a square design, while the Apple 13 series continues the design style of the Apple 11 series, using rounded corners and smoother glass material; 2. Screen, two mobile phones The screen size is the same, but the screen brightness of the Apple 13 is higher and so on.