Brand và model
Information about the brand, model and model alias (if any) of a specific device.
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| Brand Brand name of the company that manufactures the device. | Mobiistar |
| Model Model name of the device. | Zumbo S2 |
Design
Information about the dimensions và weight of the device, shown in different measurement units. Body toàn thân materials, available colors, certifications.
| Width Information about the width, i.e. The horizontal side of the device when it is used in its standard orientation. | 76.6 milimet (millimeters)7.66 cm (centimeters)0.251 ft (feet)3.016 in (inches) |
| Height Information about the height, i.e. The vertical side of the device when it is used in its standard orientation. | 154.3 milimet (millimeters)15.43 centimet (centimeters)0.506 ft (feet)6.075 in (inches) |
| Thickness Information about the thickness/depth of the device in different measurement units. | 8.2 mm (millimeters)0.82 centimet (centimeters)0.027 ft (feet)0.323 in (inches) |
| Weight Information about the weight of the device in different measurement units. | 190 g (grams)0.42 lbs (pounds)6.7 oz (ounces) |
| Volume Estimated volume of the device, calculated from the dimensions provided by the manufacturer. Applies for devices in the size of a rectangular parallelepiped. | 96.92 cm³ (cubic centimeters)5.89 in³ (cubic inches) |
| Colors Information about the colors, in which the device is available in the market. | GoldBlack |
| Body materials Materials used in the fabrication of the device"s body. | Metal |
SIM card
The Subscriber Identity Module (SIM) is used in điện thoại devices for storing data authenticating the subscribers of mobile services.
| SIM card type Information about the type and kích cỡ (form factor) of the SIM thẻ used in the device. | Micro-SIM (3FF - third form factor, since 2003, 15.00 x 12.00 x 0.76 mm)Micro-SIM / microSD |
| Number of SIM cards Information about the number of SIM cards, supported by the device. | 2 |
Networks
A điện thoại (cellular) network is a radio system, which allows a large number of di động devices khổng lồ communicate with each other.
| GSM GSM (Global System for smartphone Communications) was developed to replace the analog cellular network (1G), therefore it is referred khổng lồ as a 2G smartphone network. It has been improved with the addition of General Packet Radio Services (GPRS) & later via the Enhanced Data rates for GSM Evolution (EDGE) technology. | GSM 900 MHzGSM 1800 MHz |
| W-CDMA W-CDMA (Wideband Code Division Multiple Access) is an air interface used by 3G smartphone networks. It is one of the three different UMTS interfaces together with the TD-SCDMA và the TD-CDMA. The standard provides faster data transfer speeds & allows more users khổng lồ connect khổng lồ the network simultaneously. | W-CDMA 2100 MHz |
| LTE LTE is deemed to be the fourth generation (4G) of di động communications technology. It has been developed by the 3GPP based on the GSM/EDGE và UMTS/HSPA technologies in order to lớn increase the speed và capacity of wireless data networks. A further development of the công nghệ is called LTE Advanced. | LTE 1800 MHzLTE 2600 MHz |
Mobile network technologies và bandwidth
Communication between devices within điện thoại networks is realized via various generations of network technologies, which provide different bandwidth.
| Mobile network technologies There are several network technologies that enhance the performance of mobile networks mainly by increased data bandwidth. Information about the communication technologies supported by the device & their respective uplink & downlink bandwidth. | UMTS (384 kbit/s )EDGE Class 10 (59.2-118.4 kbit/s , 177.6-236.8 kbit/s )GPRS Class 12 (32-48 kbit/s , 32-48 kbit/s )HSPA+ (HSUPA 5.76 Mbit/s , HSDPA 21 Mbit/s )LTE mèo 4 (51.0 Mbit/s , 150.8 Mbit/s ) |
Operating system
Operating system is the system software, which manages & controls the functioning of the hardware components of the device.
| Operating system (OS) Information about the operating system used by the device as well as its version. | Android 7.0 Nougat |
System on cpu (SoC)
A system on a chip (SoC) includes into a single cpu some of the main hardware components of the mobile device.
| SoC The SoC integrates different hardware components such as the CPU, GPU, memory, peripherals, interfaces, etc., as well as software for their functioning. | MediaTek MT6737T |
| Process technology Information about the process technology used in manufacturing the chip. The value in nanometers represents half the distance between elements that trang điểm the CPU. | 28 nm (nanometers) |
| CPU CPU is the Central Processing Unit or the processor of a di động device. Its main function is to lớn interpret and execute instructions contained in software applications. | ARM Cortex-A53 |
| CPU bits The CPU bits are determined by the bit-size of the processor registers, address buses and data buses. 64-bit CPUs provide better performance than 32-bit ones, which on their part perform better than 16-bit processors. | 64 bit |
| Instruction set The instruction phối architecture (ISA) is a mix of commands used by the software to lớn manage the CPU"s work. Information about the set of instructions the processor can execute. | ARMv8-A |
| Level 1 cache memory (L1) The cache memory is used by the processor in order lớn shorten the time needed to lớn access data and instructions that a frequently used. The L1 (level 1) cache memory has a small volume, but operates faster than the RAM và the rest cache memory levels. If the processor does not find the data needed in L1, it continues lớn look for it in the L2 cache memory. In some processors the tìm kiếm in L1 & L2 is simultaneous. | 32 KB + 32 KB (kilobytes) |
| Level 2 cache memory (L2) The L2 (level 2) cache memory is slower than L1, but has a larger capacity, instead, which allows it to cache more data. Just like L1, it is much faster than the system memory (RAM). If the CPU does not find the data needed in L2, it proceeds to lớn look for them in the L3 cache memory (if there is such) or in the RAM. | 512 KB (kilobytes)0.5 MB (megabytes) |
| CPU cores A CPU vi xử lý core is the processor unit, which executes software instructions. Presently, besides single-core processors, there are dual-core, quad-core, hexa-core & so on multi-core processors. They increase the performance of the device allowing the execution of multiple instructions in parallel. | 4 |
| CPU frequency The frequency of the processor describes its clock rate in cycles per second. It is measured in Megahertz (MHz) or Gigahertz (GHz). | 1450 MHz (megahertz) |
| GPU GPU is a graphical processing unit, which handles computation for 2D/3D graphics applications. In sản phẩm điện thoại devices GPU is usually utilized by games, UI, clip playback, etc. GPU can also perform computation in applications traditionally handled by the CPU. | ARM Mali-T720 MP2 |
| GPU cores Similar khổng lồ the CPU, the GPU consists of processing units called cores. They handle the computation of graphics in various applications. | 2 |
| GPU frequency The frequency is the clock rate of the graphic processor (GPU), which is measured in Megahertz (MHz) or Gigahertz (GHz). | 600 MHz (megahertz) |
| RAM capacity RAM (Random-Access Memory) is used by the operating system & all installed applications. Data in the RAM is lost after the device is turned off or restarted. | 3 GB (gigabytes) |
| RAM type Information about the type of RAM used by the device. | LPDDR3 |
| RAM channels Information about the number of RAM channels integrated in the SoC. More channels mean higher data transfer rates. | Single channel |
| RAM frequency RAM frequency relates directly to lớn the rate of reading/writing from/in the RAM memory. | 733 MHz (megahertz) |
Storage
Every điện thoại device has a built-in storage (internal memory) with a fixed capacity.
| Storage Information about the capacity of the built-in storage of the device. Sometimes one & the same mã sản phẩm may is offered in variants with different internal storage capacity. | 16 GB (gigabytes) |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types The various types of memory cards are characterized by different sizes and capacity. Information about the supported types of memory cards. | microSDmicroSDHCmicroSDXC |
Display
The display of a di động device is characterized by its technology, resolution, px density, diagonal length, color depth, etc.
| Type/technology One of the main characteristics of the display is its type/technology, on which depends its performance. | IPS |
| Diagonal size In mobile devices display kích thước is represented by the length of its diagonal measured in inches. | 5.5 in (inches)139.7 milimet (millimeters)13.97 centimet (centimeters) |
| Width Approximate width of the display | 2.7 in (inches)68.49 mm (millimeters)6.85 cm (centimeters) |
| Height Approximate height of the display | 4.79 in (inches)121.76 mm (millimeters)12.18 centimet (centimeters) |
| Aspect ratio The ratio between the long và the short side of the display | 1.778:116:9 |
| Resolution The display resolution shows the number of pixels on the horizontal và vertical side of the screen. The higher the resolution is, the greater the detail of the displayed content. | 1080 x 1920 pixels |
| Pixel density Information about the number of pixels per centimeter (ppcm) or per inch (ppi) of the display. The higher the pixel density, the more detailed và clearer is the information displayed on the screen. | 401 ppi (pixels per inch)157 ppcm (pixels per centimeter) |
| Color depth The màu sắc depth of the display is also known as bit depth. It shows the number of bits used for the color components of one pixel. Information about the maximum number of colors the screen can display. | 24 bit16777216 colors |
| Display area The estimated percentage of the screen area from the device"s front area. | 70.78 % (percent) |
| Other features Information about other functions & features of the display. | CapacitiveMulti-touchScratch resistant |
| Dragontrail glass2.5D curved glass screen |
Sensors
Different sensors measure different physical quantities & convert them into signals recognizable by the mobile device.
| Sensors Sensors vary in type & purpose. They increase the overall functionality of the device, in which they are integrated. | ProximityLightAccelerometerGyroscopeFingerprint |
Rear camera
The primary camera of the mobile device is usually placed on its back & can be combined with one or more additional cameras.
| Sensor type Information about the sensor type of the camera. Some of the most widely used types of image sensors on smartphone devices are CMOS, BSI, ISOCELL, etc. | CMOS (complementary metal-oxide semiconductor) |
| Aperture The aperture (f-stop number) indicates the form size of the lens diaphragm opening, which controls the amount of light reaching the image sensor. The lower the f-stop number, the larger the diaphragm opening is, hence, the more light reaches the sensor. Usually, the f-stop number specified is the one that corresponds khổng lồ the maximum possible diaphragm opening. | f/2 |
| Flash type The rear cameras of mobile devices use mainly a LED flash. It may arrive in a single, dual- or multi-light setup and in different arrangements. | Dual LED |
| Image resolution One of the main characteristics of the cameras is their image resolution. It states the number of pixels on the horizontal và vertical dimensions of the image, which can also be shown in megapixels that indicate the approximate number of pixels in millions. | 4160 x 3120 pixels12.98 MP (megapixels) |
| Video resolution Information about the maximum resolution at which the rear camera can shoot videos. | 1920 x 1080 pixels2.07 MP (megapixels) |
| Video FPS Information about the maximum number of frames per second (fps) supported by the rear camera while recording video clip at the maximum resolution. Some of the main standard frame rates for recording và playing đoạn phim are 24 fps, 25 fps, 30 fps, 60 fps. | 30 fps (frames per second) |
| Features Information about additional software & hardware features of the rear camera which improve its overall performance. | AutofocusContinuous shootingDigital zoomGeotaggingPanoramaHDRTouch focusFace detectionWhite balance settingsISO settingsExposure compensationScene modePhase detection autofocus (PDAF) |
Front camera
Modern smartphones have one or more front cameras and their positioning has led lớn various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
| Sensor type Information about the sensor type of the camera. Some of the most widely used types of image sensors on thiết bị di động devices are CMOS, BSI, ISOCELL, etc. | CMOS (complementary metal-oxide semiconductor) |
| Aperture The aperture (f-stop number) indicates the kích thước of the lens diaphragm opening, which controls the amount of light reaching the image sensor. The lower the f-stop number, the larger the diaphragm opening is, hence, the more light reaches the sensor. Usually, the f-stop number specified is the one that corresponds to lớn the maximum possible diaphragm opening. | f/2 |
| Auxiliary light Sometimes, front cameras of mobile devices use auxiliary light. Whenever they do, it is most often a screen flash or front LED flash. Information about the type of auxiliary light. | LED |
| Image resolution Information about the number of pixels on the horizontal & vertical dimensions of the photos taken by the front camera, indicated in megapixels as well. | 4160 x 3120 pixels12.98 MP (megapixels) |
| Video resolution Information about the maximum resolution of the videos shot by the front camera. | 1280 x 720 pixels0.92 MP (megapixels) |
| Video FPS Digital cameras are able lớn shoot videos at different frames per second (fps). Some of the main standard frame rates for recording & playing đoạn clip are 24 fps, 25 fps, 30 fps, 60 fps. Information about the maximum possible fps for shooting videos at the maximum possible resolution. | 30 fps (frames per second) |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker The loudspeaker is a device, which reproduces various sounds such as ring tones, alarms, music, voice calls, etc. Information about the type of speakers the device uses. | LoudspeakerEarpiece |
Radio
The radio in a thiết bị di động device is a built-in FM radio receiver.
| Radio Information whether the device has an FM radio receiver or not. | Yes |
Tracking/Positioning
Information about the positioning và navigation technologies supported by the device.
| Tracking/Positioning The tracking/positioning service is provided by various satellite navigation systems, which track the autonomous geo-spatial positioning of the device that supports them. The most common satellite navigation systems are the GPS & the GLONASS. There are also non-satellite technologies for locating thiết bị di động devices such as the Enhanced Observed Time Difference, Enhanced 911, GSM Cell ID. | GPSA-GPS |
Wi-Fi
Wi-Fi is a công nghệ that provides wireless data connections between various devices within a short range.
| Wi-Fi Wi-Fi communication between devices is realized via the IEEE 802.11 standards. Some devices have the possibility lớn serve as Wi-Fi Hotspots by providing internet access for other nearby devices. Wi-Fi Direct (Wi-Fi P2P) is another useful standard that allows devices to lớn communicate with each other without the need for wireless access point (WAP). | 802.11b (IEEE 802.11b-1999)802.11g (IEEE 802.11g-2003)802.11n (IEEE 802.11n-2009)Wi-Fi Hotspot |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version The giải pháp công nghệ has several versions, which improve the connection speed, range, connectivity & discoverability of the devices. Information about the công nghệ bluetooth không dây version of the device. | 4.0 |
| Features Bluetooth uses various profiles và protocols related to lớn faster exchange of data, energy saving, better device discoverability, etc. Some of those supported by the device are listed here. | A2DP (Advanced Audio Distribution Profile) |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices lớn exchange data.
| Connector type There are several USB connector types: the Standard one, the Mini và Micro connectors, On-The-Go connectors, etc. Type of the USB connector used by the device. | Micro USB |
| Version There are several versions of the Universal Serial Bus (USB) standard: USB 1.0 (1996), the USB 2.0 (2000), the USB 3.0 (2008), etc. With each following version the rate of data transfer is increased. | 2.0 |
| Features Тhe USB interface in di động devices may be used for different purposes such as battery charging, using the device as a mass storage, host, etc. | ChargingMass storageOn-The-Go |
Headphone jack
The tai nghe jack is an audio phone connector, a.k.a. An audio jack. The most widely used one in smartphone devices is the 3.5 mm headphone jack.
| Headphone jack Information whether the device is equipped with a 3.5 milimet audio jack. | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity Information about some of the most widely used connectivity technologies supported by the device. | Computer syncOTA syncTethering |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser Information about some of the features & standards supported by the browser of the device. | HTMLHTML5CSS 3 |
Audio file formats/codecs
Mobile devices support various audio file formats và codecs, which respectively store & code/decode digital audio data.
| Audio tệp tin formats/codecs List of some of the most common audio file formats và codecs supported standardly by the device. | AAC (Advanced Audio Coding)AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga)eAAC+ / aacPlus v2 / HE-AAC v2FLAC (Free Lossless Audio Codec, .flac)MIDIMP3 (MPEG-2 Audio Layer II, .mp3)OGG (.ogg, .ogv, .oga, .ogx, .spx, .opus)WMA (Windows truyền thông media Audio, .wma)WAV (Waveform Audio tệp tin Format, .wav, .wave) |
Video file formats/codecs
Mobile devices support various video clip file formats & codecs, which respectively store and code/decode digital đoạn phim data.
| Video file formats/codecs List of some of the most common clip file formats & codecs supported standardly by the device. | 3GPP (3rd Generation Partnership Project, .3gp)AVI (Audio clip Interleaved, .avi)H.263H.264 / MPEG-4 Part 10 / AVC videoMP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v)WebMWMV (Windows truyền thông media Video, .wmv)Xvid |
Battery
The batteries of thiết bị di động devices differ in capacity & technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity The capacity of a battery shows the maximum charge, which it can store, measured in mili-Ampere hours. | 3000 mAh (milliampere-hours) |
| Type The battery type is determined by its structure và more specifically, by the chemicals used in it. There are different battery types & some of the most commonly used in mobile devices are the lithium-ion (Li-Ion) and the lithium-ion polymer battery (Li-Polymer). | Li-Polymer |
| 2G talk time 2G talk time is the time period a battery charge will last, if one is constantly talking on the phone in a 2G cellular network. | 10 h (hours)600 min (minutes)0.4 days |
| 2G stand-by time 2G stand-by time is the longest time a battery charge will last, if the device is not used but is constantly connected lớn the 2G cellular network. | 460 h (hours)27600 min (minutes)19.2 days |
| 3G talk time 3G talk time is the time period a battery charge will last, if one is constantly talking on the phone in a 3G cellular network. | 6 h (hours)360 min (minutes)0.3 days |
| 3G stand-by time 3G stand-by time is the longest time a battery charge will last, if the device is not used but is constantly connected to lớn the 3G smartphone network. | 460 h (hours)27600 min (minutes)19.2 days |
| Features Information about some additional features of the device"s battery. 
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