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The Galaxy S9+ is Samsung's newly released flagship of the year. This phone was modified on the basis of the S8+, especially the double lens on the back 'variable aperture', which became the biggest selling point. Before dismantling, first recognize the body, the front is no buttons, the sense of unity is still very strong, it has four back color, but the front is only black glass. Ifixit is a blue version, this time its metal frame has become a matte material. The back of the S9+ is very different from the small S9: it is a twin lens, and its layout is similar to Note8. Samsung still does not use 'bangs modeling', insisting on its narrow border design. Compared with its strongest opponent, because there is no bangs, all lens components can be placed in more places. Removed by hand, the first heat gun heating, melting the back of the glue. After the sucker + cymbal opens the shell. Pay attention to this line with the line, first clip down, do not break. Slowly separate the back cover. S9's biggest selling point is the F1.5/2.4 variable aperture, the mechanical structure is actually quite simple, the aperture only has two blades (ie, the number of polygons, 0 represents the circular aperture), rather than the 5-7 blades of the traditional lens. Look at the aperture change of the next picture: It is now the aperture change state. Now take a look at the other half, the fingerprint identification component on the glass back. And another layer of glass mobile phone NFC coil attached. The inner wall is really tight after the festival, so a few millimeters, put down the NFC coil and wireless charging coil. This step is the most interesting to remove the battery, of course, can not hard warp, ifixit first use a syringe to think of a small amount of aerosol injection in the battery gap. After the battery is much betterBattery parameters: 3.85 V, 3500 mAh, conversion is 13.48 Wh. Now remove the motherboard, this is not difficult, a few screws, a line only. Display screen, line at the edge of the fuselage. Put it from the side. After the fix, the L-shaped board was taken down. Now is the original analysis time, the first part of the lens. The dual lens components are together on a single circuit board. The lens is not simple and contains chips. Samsung claims that their integrated DRAM chip has helped the camera's image data increase by a factor of 4. It can achieve 960 FPS slow-motion. Shooting. In addition to it, the S9+ has a front self-timer lens (which can also be used for the face) and an iris camera for unlocking. Look at the bottom side again, the original 3.5mm headphone, Samsung still insists on keeping it. The second speaker, in fact, is a mobile phone handset. This is a new type of speaker that not only can stereo but also create a 'surround' sound. The bottom of this small piece of motherboard has a microphone, USB-C connector, and a large number of spring contacts. Samsung does a good job, once these excuses are changed, change this part on the line, do not have to change the whole motherboard together. Motherboard research: Qualcomm Snapdragon 845 processor, Samsung's own LPDDR4 memory, model K3UH6H6-NGCJ; 64GB UFS memory chip; The other side Aqstic WCD934 audio processing chip, Qualcomm QET4100, and Qualcomm SDR845 101 baseband chip, PM845, PM8005 power management chip. Going back to the other side, it starts to split the screen. It also looks like a hot air blow. After the sticker melts, the screen can be taken down. A sealed unit incorporates both a display and a digitizer. There is also a chip: Samsung S6SY761X touch controller, just like the S8 series. Said it receives its biometric function, the sensor is the same as last year, iris lens, front camera, infrared transmitter and proximity sensor. Compared to the iPhone X, it is the original in-depth lens; Samsung optimized after using the same hardware The 'smart recognition' is that the iris works with the front-facing lens, which is better than last year. But it is still not as impressive as the original lens. Some people think that Samsung is anxious to release. As soon as the dismantling is over, the phone can be repaired to a score of 4 (out of 10 points). Many of the components are modular and can be replaced individually. Theoretically speaking, battery replacement is not difficult; the display and the rear glass It is very fragile. To replace the screen, you must first remove the glass back panel and unpack the entire mobile phone. Many components are glued on the inside, increasing the difficulty.
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