Lava

Lava Z40 (2019)

Android OS v8.1 Go Edition (Oreo)
Spreadtrum SC9832E
Mali-T820 MP1
1 GB / 8 GB
4 inch (400 x 800 px)
2 MP, 1600 x 1200 px, autofocus

The manufacturer offers this phone with a 4 inch TFT display, a Spreadtrum SC9832E SoC, and 1 GB of RAM.

Will it prove its worth? I aim to reveal that by the end of my review.

Table of Contents

This article shares our personal experiences and thoughts about using the Lava Z40 smartphone. We hope to offer helpful insights to others interested in this device.

Lava Z40 / 1

Lava Z40 specifications

BrandLava
NameZ40
ModelZ40
Release date2019

Weight, dimensions, colors

Weight4.23 oz
Dimensions4.94 x 2.52 x 0.46 inch
Colorsblack, gold
SIM typeNano SIM

The weight of Lava Z40 is about 4.23 oz with battery. This is average for smartphones of the same size. Smartphones use a Nano SIM as a small chipcard for a subscriber identity module (SIM).

Lava Z40 / 1

System, chipset, performance

OS versionAndroid OS v8.1 Go Edition (Oreo)
SoCSpreadtrum SC9832E
CPUQuad-core 1.4 GHz Cortex-A53
GPUMali-T820 MP1

The Lava Z40 comes with Android OS v8.1 Go Edition (Oreo) out of the box. Google has integrated many services with Android. These include Google Maps, Gmail, and Google Drive. 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.

Lava Z40 / 2

Display type, size, resolution

Display typeTFT
Screen size4 inch
Resolution400 x 800 px
Multitouch supportyes

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.

Lava Z40 / 3

Memory, storage

RAM1 GB
Internal storage8 GB
Memory card slotmicroSD

1 GB of RAM is not typically considered to be enough for a smartphone. Having more RAM alone does not guarantee better performance. Most people think a smartphone needs at least 32 GB of storage. The Z40 has only 8 GB. We can expand the internal storage (8 GB) with a compatible microSD card.

Cameras, flash

Main camera2 MP, 1600 x 1200 px, autofocus
FlashLED
Selfie camera2 MP

This single camera can be enough for many smartphone users, it depends on their photography needs and preferences. The Z40 does not have optical image stabilization (OIS).

Connectivity, network, wireless

GSM 2G bands900 / 1800
Network coverage2G / 3G / 4G
Wi-FiWi-Fi 802.11 b/g/n
Bluetoothv4.2, A2DP
GPSA-GPS, GLONASS
NFCno
FM radioyes
USBmicroUSB 2.0
Headphone3.5 mm jack

The Lava Z40 supports 4G/LTE networks. This phone like all modern smartphones, is capable of connecting to Wi-Fi networks. The Z40 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 us to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Po 2250 mAh

The Li-Po 2250 mAh battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. We can simply buy a new battery from the open market and interchange it by ourselves.

Features, sensors, specials

Sensorsaccelerometer
SpecialsDual SIM

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer provides information about the smartphone's movement in three axes. These are X (horizontal), Y (vertical), and Z (depth). 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 Lava 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
  • no 5G support
  • no NFC feature
  • no Type-C USB port
  • low-capacity battery
  • no digital compass
  • no fingerprint reader
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Lucas Bradley 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.
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