Tencent Digital (Wang Yang) seems to be the “eventful event” of the mobile phone industry every September. After the Apple iPhone 7 appeared without suspense, the Chinese mobile phone manufacturers immediately ushered in a new round of equipment competition. This time, the first to use the Snapdragon 821 processor was the Asus ZenFone 3 and the Le Vision Pro 3.

In fact, the development of smart phones is experiencing innovation bottlenecks to a large extent. However, as the basis for driving user experience, the increase in hardware specifications is always one of the fundamental factors that determine consumers to choose a new product. Every year when the Qualcomm processor is updated, it means that a new wave of smart phones is eager for new products.

LeTV has always been a cost-effective model. Before this, not only "broken down" the MediaTek mobile phone to take the high road, but now continue to launch the 1962 yuan Qilong 821 models sold. What are the highlights of Le Pro 3 in addition to the CPU? We use this review to find answers.

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More sophisticated industrial design

The feel of the overall appearance of the Le Pro 3 is quite satisfactory. Compared with previous generations of products, Le Pro 3 has a more refined visual sense, and the front, back and bottom of the fuselage are symmetrical.

The thickness of the cell phone is well controlled, only 7.5 mm and weighs 175 grams. Taking into account the current market, mobile phone battery capacity is concentrated in the premise of 3000mAh, Le Pro 3 power and thickness of the combination is still a lot of effort.

The front of the fuselage is equipped with a 5.5-inch 1080P In-Cell capacitive screen, and finally used a better looking 2.5D arc glass. The overall brightness of this screen performs well, and you can adjust the screen color mode according to your preferences. However, the previously controversial borderless ID (black border) was retained on the Le Pro 3.

If you use dark wallpaper, the visual effect will be very comfortable, but if you change to light wallpaper, the black border glue area is very conspicuous. The touch experience of the screen itself has a certain room for improvement, because there is a certain amount of mistaken touch when one-handed operation occurs occasionally.

Above the screen is the classic "big white" shape, the sensor and the front 800W lens opening size consistent. The speaker is integrated in the handset, and it is composed of a dual speaker with the bottom speaker and also supports Dolby sound. Three power touch buttons are reserved at the bottom of the screen. The design is hidden and the backlight is only visible when operating. Another change is to design the Home key into its own LOGO shape.

At the bottom is the USB Type-C interface, which eliminates the 3.5mm headphone jack. Of course, in order to allow the old users to make a smooth transition, Le Pro 3 presents a Type-C 3.5 mm adapter, but if you use this, there is no way to listen to it while charging.

Le Pro 3 body back is also a classic three-stage style, carefully look at the back you will find Le Pro 3 metal body with drawing process, above also added a layer of wax polishing process, with a slight contraction around the arc to ensure A very good handshake.

The back 1600W pixel lens protrudes from the body surface. Below the lens is the music as the iconic mirror fingerprint module, this mirror fingerprint great visual effects, girls can also be temporarily used as a mirror, it is easy to contaminate fingerprints more headaches. Fingerprint can be unlocked in the screen-out mode, mobile payment can also be set fingerprint camera function, fingerprint recognition speed and accuracy are ideal.

Other details of the design, Le Pro 3 supports dual Nano SIM dual card dual standby full Netcom, card slot design on the left side of the fuselage, the power button and volume adjustment buttons are designed on the right side of the fuselage, position and key feel It's very easy.

Xiaolong 821 run breaks through 16W

To understand literally, Qualcomm Xiaolong 821 processor is a small change of Xiaolong 820 only. In fact, the Snapdragon 821 boosted the clock to 2.4 GHz. The official said that the performance increased by 10%, while reducing power consumption by 5%. Many people understand that Xiaolong 821 only has an increase in running points, but there are still some changes in details.

For example, the Snapdragon 821 has built-in DSP processor and Clear Sight technology to improve the shooting and visual experience. High fidelity sound effects that support high-resolution streams and sample rates. In addition, Qualcomm's latest Haven security suite is built in. If you use fingerprint identification frequently, security will increase. In addition, the Snapdragon 821 supports other navigation modes other than satellite navigation in the navigation mode. When you go out to play, even if the satellite signal is weak, you will not be completely use navigation.

Back to the Le Pro 3, this Le Pro 3 is equipped with 4GB/6GB of running memory + 32GB/64GB of storage. Many people may care about 6GB of memory is not enough, found that I am on this 6GB machine to open 10 commonly used software, a game, a video application, and 8 software applications, the actual remaining memory is about 3.6GB It's more than enough to use.

The actual run under the security v6.2.1 version of the rabbit is divided into 160,893 points, and this running score has exceeded the previous 20,000 mobile phones about 30,000. The computing performance of the Snapdragon 821 is also worthy of the name. I tested the large-scale stand-alone game NBA 2K16. The whole process is very smooth and there is no Caton phenomenon. The heating control is also better than the previous two generations of the Le Pro models. The camera area can feel warming but within an acceptable range.

Le Pro 3 is equipped with a 4070mAh capacity battery, charging power or EQ-24BCN, maximum power 24W. The full charge takes 2 hours and 15 minutes. I used the time of the weekend to simulate the normal use of Le Pro 3, including a small number of calls, a lot of brush WeChat, meager and a small amount of playing games, watching videos, basically adhere to 16-18 hours is normal. If you save a little more, 1.5 days is a normal level. After running a large-scale game for 30 minutes, Le Pro 3 will consume 12% of electricity.

EUI 5.8 based on Android 6.0

Having said the hardware, let's take a look at what improvements have been made to the software on the Le Pro 3. The Le Pro 3 is based on the Android 6.0-based EUI 5.8 system, which is mainly enhanced in UI design and internal functions.

The new UI design follows the flat style, but the overall sense of layering of the icon has improved and it seems that the recognition is quite high. In addition, if you do not like the default theme, wallpaper, fonts can also be freely changed, rich customization.

Functional aspects have increased my wallet, similar to the Yellow Pages of Life. For example, the daily purchase of movie tickets, call charges, online taxis, etc. can all be operated on this platform, which makes it easier to manage.

LeTV integrates almost all of LeTV services, such as LeTV, LeTV, and LeTV. EUI's operating logic has been enhanced. Through the Eco-Homepage, you can focus on your favorite programs or star characters. The latest dynamic information can be synchronized in the calendar, which is equivalent to a one-stop interactive mode.

In terms of other basic experiences, EUI has added small functions such as application locks, hidden locks, long standby, and WeChat dual-opening. In particular, it is more convenient to use the screenshot method. In addition to pressing the + key on the volume keys, you can also press and hold the Home button for a quick screenshot, even if it is a long screenshot. And LeCloud account data synchronization service has been improved. Commonly used content including notes, information, calendars, browsers, contacts, photos, etc. can be synchronized in real time.

1600W pixel IMX298 lens

Talk about the camera part. Le Pro 3 is equipped with 1600W pixels Sony IMX 298 sensor lens, F2.0 aperture, cold and warm dual LED flash. This sensor lens is currently used on many mobile phones on the market, such as Xiaomi 5, Huawei P9, One Plus 3, and so on. Take samples to speak below.

From the perspective of the proofs taken, the Le Pro 3 lens performed well in outdoor and other bright light environments, the color reproduction was accurate, and the proofs had a certain level of sense. Previously, the reddish phenomenon of the LeTV phone sample was completely solved in this generation of models. . The light and resolution of the Le Pro 3 are slightly insufficient in dark environments such as indoor and night views, but the macro bokeh effect and anti-glare effect are excellent.

The cheapest Qilong 821 mobile phone

The final price of Le Pro 3 is 4GB+32GB and 1799 yuan; 6GB+64GB is priced at 1999 yuan. LeTV also provided a corresponding customized version, of which 4GB+64GB Zhang Yimou version sells for 2499 yuan; 6GB+128GB Zhang Yimou version sells for 2999 yuan. Purchase customized version will receive additional exclusive theme wallpapers, video services and customized mobile phone sets. Tyrants can consider a customized version, and ordinary users still recommend buying a regular version of the Pro Pro 3. As for competitors, Le Pro 3 is undoubtedly the target is Xiaomi's just released 5s, 5s Plus, the latter is still maintained at the price of 1999 yuan, which also leaves the Le Pro 3 the opportunity to counterattack.

The Le Pro 3 is more of an intrinsic detail and configuration upgrade than the previous generation. If you've used LeEr before, you'll find some shadows on the Le Pro 3. It really does a lot of work, such as better craftsmanship, good thickness and grip, and the addition of paraffin waxing. . In addition, the upgrade of the hardware configuration is obvious to all, especially the first to use the Snapdragon 821 processor at the same time to control the price so low to the next to use Snapdragon 821 processor mobile phone manufacturers brought a lot of competitive pressure.


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Mini USB Series

Antenk mini usb:The small USB socket found on digital cameras, external hard drives, USB hubs and other equipment. Mini USB is much smaller than USB Type A and B but twice as thick as Micro USB (see illustration below).

MINI USB, also known as Mini USB, is a USB interface standard. USB is the abbreviation of universal serial bus in English, which means "universal serial bus" in Chinese. It is a technology developed for data transmission between PC and digital devices. Standard USB, MINIUSB and microusb have become the most common USB interfaces. Compared with standard USB, MINIUSB is smaller and suitable for small electronic devices such as mobile devices.

Mini USB is divided into a type, B type and ab type. Minib type 5pin interface is the most common interface. Due to its excellent anti misplug performance and small size, it is gaining the favor of many manufacturers. This interface is widely used in card readers, MP3, digital cameras and mobile hard disks.

Mini USB a, B connectors and their contacts (not drawn to scale) Mini USB connector contact function

1 VBUS (4.4–5.25 V)

2 D−

3 D+

4 ID

5 grounding
The ID foot is only used in OTG function. The Mini USB interface is divided into mini-a, B and ab interfaces. If your system is only used as a slave, then use the B interface. The system controller will judge the level of the ID pin and determine what kind of device is inserted. If it is Gaoping, it is the B connector. At this time, the system will do slave mode. If the ID is low, it will be a interface. Then the system will use HNP dialogue protocol to decide which is the master and which is the slave
OTG is the abbreviation of on the go, that is, OTG technology is to realize the data transmission between devices without host. It is mainly used in the connection between different devices or mobile devices for data exchange. For example, the digital camera is directly connected to the printer, and through OTG technology, the USB port between two devices is connected to print out the photos taken immediately; the data in the digital camera can also be sent to the mobile hard disk of USB interface through OTG, so there is no need to carry expensive memory card or carry a portable computer for field operation.

Except for pin 4, other interface functions of Mini USB are the same as those of standard USB. The fourth needle becomes the ID, which is connected to the fifth needle on the mini-a, and can be suspended in the mini-b or connected to the fifth needle.


Mini USB Series

ShenZhen Antenk Electronics Co,Ltd , https://www.antenk.com