I do not know why families increasingly trust the Samsung brand. Samsung mobile phones can insert large-capacity microSD card, there is a physical HOME key, volume keys and lock keys separately, it may be so suitable for the elderly people use it, the family has become Samsung powder. I do not need high-performance mobile phones. The main reason for buying Samsung is the physical HOME key, because you can light the screen by pressing the HOME button on the desktop. Other brands of mobile phones can only press the lock button to light up the screen. This should be one of the reasons why the Samsung Android mobile phone is best sold. Another point is that Samsung is almost the most discriminating Android machine among the best-selling Android devices. It can be known that Samsung is a mobile phone with a LOGO . (Samsung's button layout is to imitate Apple, but I really do not know why domestic mobile phones are swarmed with virtual keys, back fingerprints, and some mobile phones engage in a few chin, do not listen to consumer opinion) The J5 (2015) model is J5008, and the J5 (2016) model is J5108. The J7 (2015) model is J7008, and the J7 (2016) model is J7108. Previously used J5008, feel good. Want to buy J5108 720P screen, 4 core, 2G memory, but the J7108's 1080 screen, 8 core, 3G memory is only expensive 300. The 5.5 screen J7108 is only slightly larger than the 5.2 screen J5, so I bought the J7108. Simple white box, not performing out of the box.... J7008 (gold) and J7108 (white) are put together and you can see the J7008's border is a little thicker. The position of the front flash and camera is also changed The sticker on the back cover of J7108 gave me a sticker. It was no evil pattern itself. You can see the location of the two mobile phones NFC is not the same. The volume keys are on the left and the keys are on the right, which makes a good distinction. Domestically produced hands are on the side of provincial costs. Capacitor keys are also not backlit, saving cost. The HOME button is not glossy and is not afraid of grinding. Many people buy Samsung because of the physical HOME key. I bought Samsung because of the entity HOME key. There is a headset and a USB port at the bottom. Samsung's USB has OTG function, but it is not a TYPE-C interface. Next to the interface is a leucorrhea, is not the metal frame must have leucorrhea it? The speaker next to the camera does not look good The most ugly place is the LOGO here............. Fortunately, the preset mobile software can be deleted. NFC is no longer integrated in the battery, but the battery cover, so the cost of replacing the battery is low, and the sensitivity of NFC is also improved. NFC gave me the biggest role, remote control cameras, recharge bus cards, and read bank cards. The battery is produced by BYD. It seems that BYD's battery is still better than the car........... Samsung wants to popularize OLED screens in low-end mobile phones. I also feel more power-efficient than LCD screens, but I still think that OLEDs are too dazzling. Front 500 million pixels, have become a low standard, and the effect is OK, very little distortion, unlike the domestic mobile phone with a distortion of serious ultra-wide-angle lens. Front-facing camera self-portraits In addition to the beauty, there is a face-lift function........ ! ! Personally think that Samsung's white balance is more accurate, it will not be biased. Some people commented that the camera is very vague , I think the reason for the vagueness is not good coke, 1.9 aperture is one of the factors, the main factor is not good focus can also press the shutter button to take pictures, want to focus and must press the screen Select the focus point and press the shutter button again. Unlike SLR cameras, when you can't focus, you can't press the shutter, and you don't even touch it. In short, it's not easy to take a clear picture. Go to travel to take some photos, original upload Hardware information, thousands of mobile phone configuration. I found a big problem. After the WIFI is turned on, the mobile network is always closed automatically. After the WIFI is disconnected, you cannot use the mobile network automatically. You must manually open the mobile network. For those of us who often open WeChat, QQ, it is very inconvenient. Samsung's system is also progressing and becoming more localized. KNOX private space, so you can double open WeChat and QQ, you can also put some fruit! ! ! ! This S healthy pedometer component is very intuitive and does not have to go directly into the software to see the numbers. For me this lack of exercise has a little incentive. With a metal frame, the back cover is still plastic. Some people say that fever is bad and I think it's okay. It may be that the heat is concentrated on the metal frame and it feels hot to play the game for a long time. I don't play games so I don't feel hot. The CPU is Samsung's own, and the 1080P movie will be a little bit smoother than the old J7. J7 (2016) power consumption, I normally use 1.5 days, when you are bored to play mobile phone for 1 day, more durable than my previous J5 (2015). Charging speed has not been tried, it is OK, a clock can charge more than half. Advantages: NFC, OTG, pre-fill light, change power... Disadvantages: can not automatically switch to 4G, can not quickly turn on the LED light for flashlight, because it can not touch the focus and shoot made fuzzy, built-in file manager can not change the file name extension, not TYPE-C interface, the back of the speaker is a bit ugly, no Fingerprint lock, no automatic synchronization cloud, temporarily did not expect. The above personal point of view is a bit extreme, don't blame me! ! !
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The front LED fill light on the right is only available in the Samsung J Series. It is always on during use. 
Three card slots, insert the SIM card or insert TF do not have to choose one, TF can support up to 128G. 
