Jinga A400: Pros and Cons

Jinga announced the launch of the A400 smartphone in 2017. The manufacturer is offering this smartphone with 4 inch TFT display, Spreadtrum SC7731G SoC, and 512 MB of RAM. The A400 series was launched with Android OS v5.1 (Lollipop) pre-installed, but it is upgradable. The 4 inch phone comes with a TFT display (480 x 800 px). This smartphone has a single camera on the back (2 MP, 1600 x 1200 px). Does this phone justify its price tag? I hope to provide clarity by the conclusion of my review.

Table of Contents

• Jinga 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 Jinga 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.

Jinga A400 specifications

Weight, dimensions, colors

The weight of Jinga A400 is about 2.65 oz with battery. This is average for smartphones of the same size.

System, chipset, performance

The Jinga A400 comes with Android OS v5.1 (Lollipop) out of the box. Android is a mobile operating system. Google built it using a modified version of the Linux kernel. They also used other open-source software. The mid-range CPU can deliver fast, efficient performance for many tasks. Many mobile devices use ARM Mali GPUs. They are well known for their good performance and power efficiency. We use AnTuTu app to measure general processing performance. AnTuTu Benchmark is the most popular benchmark app for Android phones.

Display type, size, resolution

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

512 MB of RAM is not typically considered to be enough for a smartphone. More RAM lets you keep more apps and processes open in the background. This keeps the device from slowing down. Most people think a smartphone needs at least 32 GB of storage. The A400 has only 4 GB. You can expand the internal storage (4 GB) with a compatible microSD card.

Cameras, flash

The single camera can be enough for many smartphone users. It depends on their photography needs and preferences. The main camera of A400 smartphone does not have OIS. The optical image stabilization (OIS) is an important feature in smartphones.

Connectivity, network, wireless

The 3G is obsolete now, because most phones can use 4G and 5G networks. The phone is capable of connecting to Wi-Fi networks. The A400 smartphone is capable of connecting to Bluetooth devices. This phone doesn't have built-in GPS. Most phones have a GPS unit on board. 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

The Li-Ion 1400 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

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer is a sensor. It measures the tilting motion and orientation of the phone. 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 Jinga 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.

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.