Celkon Campus A400: Pros and Cons
Celkon announced the launch of the Campus A400 smartphone in 2014. The manufacturer is offering this smartphone with 4 inch TFT display, Spreadtrum SC7715 SoC, and 256 MB of RAM. It 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). Is this phone a good value for its price? My review aims to answer that question by the end.
Table of Contents
- Celkon Campus A400 specifications
- Weight, dimensions, colors
- System, chipset, performance
- Display type, size, resolution
- Memory, storage
- Cameras, flash
- Connectivity, network, wireless
- Battery type, capacity, charger
- Features, sensors, specials
- Verdict, pros and cons
This article shares our personal experiences and thoughts about using the Celkon Campus A400 smartphone. We hope to offer helpful insights to others interested in this device. The specifications below are from the official manufacturer data, but we also consider user reviews. If you've seen any mistakes or things missing in these specifications, please let us know.
Celkon Campus A400 specifications
| Brand | Celkon |
|---|---|
| Name | Campus A400 |
| Model | CA400 |
| Release date | 2014 |
Weight, dimensions, colors
| Weight | 3.67 oz |
|---|---|
| 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. This is average for smartphones of the same size.
System, chipset, performance
| OS version | Android OS v4.4.2 (KitKat) |
|---|---|
| SoC | Spreadtrum SC7715 |
| CPU | 1 GHz Cortex-A7 |
| GPU | Mali-400 MP1 |
The Celkon Campus A400 comes with Android OS v4.4.2 (KitKat) out of the box. The Android operating system uses the Linux kernel as its foundation. It includes a user interface, middleware, and many pre-installed applications. The Spreadtrum SC7715 CPU can be fast enough for basic phone operations. Many mobile devices use ARM Mali GPUs. They are well known for their good performance and power efficiency.
Display type, size, resolution
| Display type | TFT |
|---|---|
| Screen size | 4 inch |
| Resolution | 480 x 800 px |
| Multitouch support | yes |
The 4 inch phone comes with TFT display. A thin-film transistor (TFT) features a thin-film transistor for each individual pixel. Smaller smartphones are generally more compact and easier to handle. The size of the screen is measured diagonally, from corner to corner.
Memory, storage
| RAM | 256 MB |
|---|---|
| Internal storage | 512 MB |
| Memory card slot | microSD |
256 MB of RAM is not typically considered to be enough for a smartphone. The needed RAM amount for good performance depends on factors. These include the OS, the apps, and the services you use. Most people think a smartphone needs at least 32 GB of storage. The Campus A400 has only 512 MB. You can expand the internal storage (512 MB) with a compatible microSD card.
Cameras, flash
| Main camera | 2 MP |
|---|---|
| Flash | LED |
| Selfie camera | VGA |
The single camera can be enough for many smartphone users. It depends on their photography needs and preferences. The Campus A400 comes with a basic camera setup and lacks any advanced features.
Connectivity, network, wireless
| GSM 2G bands | 900 / 1800 |
|---|---|
| Network coverage | 2G / 3G |
| Wi-Fi | Wi-Fi 802.11 b/g/n |
| Bluetooth | v4.0, A2DP |
| GPS | A-GPS |
| NFC | no |
| FM radio | yes |
| USB | microUSB 2.0 |
| Headphone | 3.5 mm jack |
The 3G is obsolete now, because most phones can use 4G and 5G networks. This phone like all modern smartphones, is capable of connecting to Wi-Fi networks. The Campus A400 smartphone is capable of connecting to Bluetooth devices. This phone has a built-in GPS. The phone isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful. The 3.5 mm headphone jack allows you to connect wired headphones or earphones to the device.
Battery type, capacity, charger
| 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. It does not need periodic full discharge. You can simply buy a new battery from the open market and interchange it by yourself.
Features, sensors, specials
| Sensors | accelerometer |
|---|---|
| Specials | Dual SIM |
Today, smartphones come with many sensors. They help make the user experience better. The Campus A400 smartphone has an accelerometer. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use.
Verdict, pros and cons
Every phone has its strengths and weaknesses, and this Celkon phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.
Pros
- microSD slot
- Dual SIM support
Cons
- TFT display
- limited-size screen
- insufficient memory
- insufficient internal storage
- single camera setup
- no OIS function
- lack of autofocus
- no 4G support
- no 5G support
- no NFC feature
- no Type-C USB port
- low-capacity battery
- no digital compass
- no fingerprint reader
Please let us know if you find incorrect information or something isn't working. Also, tell us if you have a suggestion for improvement.
I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.