Statistically, BV4900s can endure water immersion for half an hour (not deeper than 1.5m below water surface), and it also can survive drops from high places (not higher than 1.5m above ground). That renders the phone able to meet the standard of IP68 and IP69K as well as MIL-STD-810G. Information about the process technology used in manufacturing the chip. The value in nanometers represents half the distance between elements that make up the CPU. The sound coming out of the phone is quite loud when played near max volume. You may notice some distortion at max volume, so one or two increments below the maximum level are best. Screen Performance

The optical format of an image sensor is an indication of its shape and size. It is usually expressed in inches. talk time is the time period a battery charge will last, if one is constantly talking on the phone in a 3G cellular network.Information about additional software and hardware features of the front camera which improve its overall performance. CPU is the Central Processing Unit or the processor of a mobile device. Its main function is to interpret and execute instructions contained in software applications. Further, BV4900s flaunts OTG cable that easily turns the phone into a power bank, which, for those who are planning to embark on a survivor journey, is surely an indispensable choice.

A CPU core is the processor unit, which executes software instructions. Presently, besides single-core processors, there are dual-core, quad-core, hexa-core and so on multi-core processors. They increase the performance of the device allowing the execution of multiple instructions in parallel. The biggest draw of Android 12 is the boundary-pushing redesign called Material You, which drives the personalization to a new degree.Additionally, 8 MP rear camera allows users to get decent quality prints or bright-colored photos with fine hue so that they can be further tuned in a photo editing software. The color 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. With its integrated GPS receiver, the BV4900 smartphone ensures seamless and reliable navigation, allowing users to find their way effortlessly, whether on foot or in a vehicle. With the built-in NFC functionality, the BV4900 empowers users to share various types of content with a simple tap, fostering seamless collaboration and file sharing. With its included FM radio receiver, the BV4900 allows users to enjoy live broadcasts, music, and other radio content directly on their device. Information about the electric current (amperes) and voltage (volts) the charger outputs. The higher power output allows faster charging.

Phones that are often short of juice can sometimes ruin outdoor schedules or immersive fun indoors. However, with BV4900s that is equipped with a 5580mAh large battery, users can get almost a day’s worth of usage. GSM remains an active and relevant technology in the modern era. The BV4900 smartphone comes with 4G compatibility, enabling users to enjoy fast and reliable internet connectivity for their online activities. Wi-Fi connectivity is an essential feature of the BV4900, allowing users to stay connected and access the internet through Wi-Fi networks in their surroundings. The BV4900 smartphone supports Bluetooth connectivity, enabling users to connect wirelessly to Bluetooth-enabled speakers, headphones, and other accessories for an enhanced audio experience. You will be rewarded with a huge battery, which can come in handy when camping or where reliable electricity isn’t a thing. This phone also has NFC (near field communication), which is a surprise to have on a phone at this price range. The capacity of a battery shows the maximum charge, which it can store, measured in mili-Ampere hours.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. Information about the manufacturer and model of the image sensor used by this camera of the device. The display resolution shows the number of pixels on the horizontal and vertical side of the screen. The higher the resolution is, the greater the detail of the displayed content. One of the main characteristics of the display is its type/technology, on which depends its performance. After our R&D team’s persistent efforts, our BV4900 Pro rugged Android phone would get leap-forward OS upgrades first, from Android 10 to the Doke OS 3.0 based on Android 12 and support a new RAM Expansion Technology that helps bump the 4GB of RAM to 7GB(The RAM expansion technology is also used on our regular phablet phone model A55 Pro).• Buy BV4900 Pro in our AliExpress store

Information about the sensor type of the camera. Some of the most widely used types of image sensors on mobile devices are CMOS, BSI, ISOCELL, etc. Information about the width, i.e. the horizontal side of the device when it is used in its standard orientation. Write speeds on the device were one of the lowest we’ve recorded to date, something we don’t grasp given that the BV6100 scored far higher numbers using the same set of components. BV4900s arrives with double surprises as it sports Doke OS 2.0 with Android 11 GO OS laid on top. Users would experience brand new fluid operating comfort with multiple distinctive apps.Display The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc. Type/technology Although the cameras aren’t the best smartphone cameras on the market, they actually do better than what users would normally expect from rugged phones at this price point. Photos come out to be quite detailed and clear with ample light and steady hands during travel and daily use. The proximity sensor of BV4900 Pro detects when a user is holding the phone near their face during a call and turns off the display to prevent keypad presses and battery consumption from the display. Equipped with an ambient light sensor, the BV4900 Pro smartphone intelligently detects the lighting environment and adjusts the screen brightness accordingly, ensuring optimal visibility and conserving battery life. The BV4900 Pro smartphone is equipped with an accelerometer sensor, a component that detects and records changes in motion and orientation. RAM (Random-Access Memory) is used by the operating system and all installed applications. Data in the RAM is lost after the device is turned off or restarted. Video capture is at 30 fps at 1080P resolution, and the video quality is actually pretty decent. The mic is pretty good at audio capture too. I was impressed in this area for the price.