Celkon Campus A400: A Closer Look at Specs and Cameras
Celkon announced the launch of the Campus A400 smartphone in 2014. The manufacturer is offering the Celkon Campus A400 phone with 4 inch display, Spreadtrum SC7715 chipset, 256 MB of RAM and 512 MB of internal storage.
The Celkon Campus A400 smartphone comes with Android OS v4.4.2 (KitKat) out of the box, and a Li-Ion 1500 mAh battery. The 4 inch phone comes with a TFT display (480 x 800 px). This smartphone has a single camera on the back (2 MP). The single camera setup can be sufficient for many smartphone users, depending on their photography needs and preferences.
Celkon Campus A400 pictures
The specifications below are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Celkon Campus A400, then don’t hesitate and signal the problem to us.
Celkon Campus A400 specifications
|Dimensions||4.92 x 2.52 x 0.41 inch|
|Colors||black, blue, pink, red, white|
|SIM type||Mini SIM|
The weight of Celkon Campus A400 is about 3.67 oz with battery, which is average compared to most of the smartphones with same size. The dimensions of this Celkon smartphone are average (4.92 x 2.52 x 0.41 inch). Smaller smartphones are more compact and easier to carry around, but they may have smaller displays that can be harder to read and interact with.
|OS version||Android OS v4.4.2 (KitKat)|
|CPU||1 GHz Cortex-A7|
The Celkon Campus A400 comes with Android OS v4.4.2 (KitKat) out of the box, but it is upgradable to the next OS. Android is based on the Linux kernel and includes a user interface, middleware, and a range of pre-installed applications. The Campus A400 utilizes Spreadtrum SC7715 SoC (System on a Chip). This CPU can be fast enough for basic phone operations. The Campus A400 utilizes Mali-400 MP1 GPU. A GPU (Graphics Processing Unit) is a specialized chip that is primarily designed to handle and accelerate the processing of graphics and visual data. It is responsible for rendering images, videos, and animations on a smartphone screen. ARM Mali GPUs are widely used in mobile devices and have a good reputation for performance and power efficiency. They offer competitive performance and power efficiency, making them suitable for a range of applications, including gaming, multimedia, and user interface rendering.
|Screen size||4 inch|
|Resolution||480 x 800 px|
The 4 inch phone comes with TFT display. A thin-film transistor (TFT) is a type of field-effect transistor that is usually used in a liquid crystal display (LCD). This type of display features a thin-film transistor for each individual pixel. In recent years, many smartphone manufacturers have moved towards using other display technologies, such as OLED and AMOLED, which offer some advantages over TFT.
Smaller smartphones are generally more compact and easier to handle. The size of the screen is measured diagonally, from corner to corner. A larger screen typically requires more power to illuminate, which can impact battery life. The display of Celkon Campus A400 is multitouch capable. Multitouch technology enables the device's touchscreen to detect and interpret multiple touch points on the screen simultaneously.
|Internal storage||512 MB|
|Memory card slot||microSD|
256 MB of RAM is not typically considered to be enough for a smartphone. Most smartphones today come with at least 3 GB or 4 GB of RAM, and some high-end devices have even more. The amount of RAM needed for optimal performance depends on factors such as the operating system, the apps and services you use, and how you use your device. 32 GB of internal storage is generally considered to be the minimum amount of storage you would want in a smartphone. The Campus A400 has only 512 MB of internal storage. The internal storage of the Campus A400 (512 MB) can be expanded with a compatible microSD card. MicroSD cards are popular because they're small, lightweight, and easy to use.
|Main camera||2 MP|
The Campus A400 offers only a single-camera setup. The single camera can still be sufficient for many smartphone users, depending on their photography needs and preferences. The camera of the Campus A400 has no autofocus capability (fixed-focus). An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. Very few Android cameras come without autofocus. Campus A400 is equipped with a basic camera setup, and it does not have any advanced features. Basic camera setups are designed to fulfill the needs of users who prioritize affordability and basic photography requirements.
|GSM 2G bands||900 / 1800|
|Network coverage||2G / 3G|
|Wi-Fi||Wi-Fi 802.11 b/g/n|
|Headphone||3.5 mm jack|
The Celkon Campus A400 supports 2G and 3G networks only. 3G is obsolete now, because most phones can use 4G and 5G networks. The Celkon Campus A400 can connect to Wi-Fi networks at home, at work, or in public places such as coffee shops or airports. It operates within specific frequency bands, typically 2.4 GHz or 5 GHz, allowing devices to communicate wirelessly within a certain range. The Campus A400 supports the latest Bluetooth standards, which offers faster data transfer speeds, better range, and improved reliability compared to previous versions of Bluetooth.
This phone has a built-in GPS. GPS is a highly accurate navigation system using signals from satellites to determine a location on the Earth's surface, irrespective of weather conditions. Most phones have a GPS unit on board. The Campus A400 isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful for a variety of tasks and features. The Campus A400 phone has built-in FM radio. During emergencies or natural disasters when cellular networks may be congested or disrupted, FM radio can provide a reliable source of information and emergency alerts.
The Campus A400 has a microUSB port. MicroUSB is a type of USB connector that was commonly used on older smartphones, tablets, and other mobile devices. The Campus A400 smartphone has a 3.5 mm headphone jack. A 3.5 mm headphone jack is a small round port, that allows you to connect wired headphones or earphones to the device.
|Type||Li-Ion 1500 mAh|
The Li-Ion 1500 mAh battery gives the smartphone a good battery backup. The Li-ion is a low maintenance battery which offers high energy, is lightweight and does not require periodic full discharge. The battery of Campus A400 is removable. You can simply buy a new piece from the open market and interchange it easily by yourself.
Smartphones today come with a wealth of sensors to facilitate a better user experience. The Celkon Campus A400 smartphone has an accelerometer. The presence of an accelerometer in smartphones enables a range of interactive and intuitive functionalities that enhance the user experience and enable innovative applications. The Dual SIM capability of Celkon Campus A400 phone is ideal for businesses wishing to provide staff with a mobile device that can offer separate numbers and bills for both personal and business use.
More Celkon smartphones
Check out the following collection of additional Celkon phones we have gathered for you. We have carefully curated this list to empower you with a convenient resource for exploring and comparing features, specifications, and capabilities of different Celkon phones, helping you make an informed decision when choosing your next device.
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Celkon Campus Q405
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