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Lava
Lava Z40

Lava Z40

৳4,499.00
Brand: Lava
Category: Smartphones
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Released: 2019, March
OS: Android 8.1 Oreo
Display: 4.0" 480x800 pixels
Camera: 2MP 720p
RAM: 1GB RAM Unisoc SC9832E
Battery: 2250mAh Li-Ion

Full Specifications and Price in Bangladesh

General Info

Announced	2019, March
Status	Available
Brand	Lava
Model	Lava Z40
Color	Gold, Glossy Black
Made by	China
Price	BDT. 4,499

Network

Technology	GSM / HSPA / LTE
2G Bands	GSM 900 / 1800 - SIM 1 & SIM 2
3G Bands	HSDPA 900 / 2100
4G Bands	1, 3, 5, 40, 41
5G Bands	N/A
Speed	HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection.
EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection.

Body

Dimensions	125.5 x 63.9 x 11.7 mm (4.94 x 2.52 x 0.46 in)
Weight	120 g (4.23 oz)
Build	Glass front, plastic back, plastic frame
SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages.	Dual SIM (Nano-SIM, dual stand-by)

Display

Type Design Type called form factor refers to a mobile phone's size, shape, and style as well as the layout and position of major components of phone. There are three major form factors seen in mobile phones => bar phones, folding phones and sliding phones.	TN TFT LCD
Size	4.0 inches, 45.5 cm2 (~56.8% screen-to-body ratio)
Resolution	480 x 800 pixels, 5:3 ratio (~233 ppi density)
Refresh Rate	60 Hz
Protection	Corning Gorilla Glass
Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality.	233 ppi density
Multitouch
Features	- SMS(threaded view), MMS, Email, Push Email, IM - XviD/MP4/H.265 player - MP3/WAV/eAAC+/Flac player - Photo/video editor - Document viewer

Platform

Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device.	Android 8.1 Oreo (Go edition)
Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming.	Unisoc SC9832E
CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone.	Quad-core 1.4 GHz
GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion.	Mali

Memory

Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras.	Micro SDXC
RAM RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices.	1GB
Internal Internal Storage is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored.	8GB

Main Camera

Camera Resolution	2 MP
Camera Features	LED flash, HDR
Video Resolution	720p@30fps

Selfie Camera

Camera Resolution	2 MP
Camera Features	LED flash
Video Resolution	720p@30fps

Sound

Alert Types	Vibration, MP3, WAV ringtones
Loudspeaker	Yes
Audio Jack

Connectivity

WLAN	Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot
Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices.	4.2, A2DP, LE
GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky.	Yes, with A-GPS, GLONASS, BDS
NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches.
Infrared port
FM Radio
USB	Micro USB 2.0

Features

Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device.	Accelerometer
Messaging	SMS(threaded view), MMS, Email, Push Email, IM
Browser Web Browser => a web browser is a software application used to locate, retrieve and display content on the World Wide Web, including Web pages, images, video and other files, The primary function of a web browser is to render HTML, the code used to design or markup webpages.	HTML5
Java

Battery

Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium.	Removable Li-Ion
Battery Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions.	2250 mAh battery
Charging Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device.	USB charger
Fast Charging
Wireless Charging

Our Rating

The overall rating is based on review by our experts

3.9

Design 4 / 10
Display 3 / 10
Camera 1 / 10
Connectivity 5 / 10
Features 6 / 10
Performance 3 / 10
Battery 4 / 10
Usability 5 / 10

Lava Z40: Overview

The Lava Z40 is an entry-level smartphone aimed at users who need a primary and affordable device for everyday tasks. It comes with a compact design, a functional camera, and a battery that can last through light to moderate use. The phone is ideal for first-time smartphone users or those who need a secondary device for simple tasks such as calling, messaging, and light browsing.

Price in Bangladesh

The Lava Z40 is expected to be priced around 4,499 in Bangladesh, making it one of the most affordable smartphones available.

Pro and Cons

Pros:

Very Affordable Price: One of the cheapest smartphones, making it accessible to users with tight budgets.
Compact and Lightweight: Easy to carry and handle due to its small size and light build.
Decent Battery for Light Use: The phone’s battery is sufficient for basic tasks such as calling, messaging, and occasional browsing.
Expandable Storage: Supports microSD cards, allowing users to expand storage for apps, photos, and media.
Dual SIM Support: Provides the convenience of using two SIM cards simultaneously.

Cons:

Limited Performance: The entry-level processor is suitable only for basic tasks and may need help with heavy apps or multitasking.
Small Display: The 4-inch display is small for media consumption and modern apps.
Primary Camera: The camera is functional but may not deliver high-quality photos, especially in low-light conditions.

FAQs

Q1: Does the Lava Z40 support fast charging?

No, the Lava Z40 does not support fast charging, so it takes longer to charge the battery fully.

Q2: What operating system does the Lava Z40 run on?

The phone runs on Android Go (Pie edition), optimized for entry-level devices.

Q3: Is the Lava Z40 water-resistant?

No, the Lava Z40 does not have an official IP rating for water or dust resistance.

Q4: Can the storage on the Lava Z40 be expanded?

Yes, the phone supports microSD cards, allowing users to expand storage up to 64GB.

Q5: Does the Lava Z40 have a fingerprint sensor?

No, the phone does not feature a fingerprint sensor for unlocking.

Reason to Buy

Extremely Affordable: The Lava Z40 is one of the cheapest smartphones available, making it ideal for users on a very tight budget.
Compact and Easy to Handle: Its small size makes it convenient to carry and use, especially for users who prefer lightweight phones.
Dual SIM Support: Allows users to use two SIM cards simultaneously, which can help manage work and personal calls.
Expandable Storage: Supports microSD cards, enabling users to expand storage for apps, photos, and files.
Basic Functionality for Light Use: The Lava Z40 is perfect for users who need a phone for simple tasks like calling, messaging, and light browsing.

The Lava Z40 is a great option for users seeking an ultra-affordable smartphone for basic functionality and light everyday use.