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Xiaomi Redmi Note 8 2021
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Battery: 4000 mAh
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RAM: 3GB,4GB
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Storage: 64GB,128GB
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Display: IPS LCD, 6.3 inches
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Camera: Rear 48 MP+8 MP+2 MP +2 MP, and Front 13 MP
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OS: Android 11, MIUI 12.5
Full Specifications
Price
| Official | 17999 BDT 4GB/64GB Approx. |
| Unofficial | 15500 BDT 4GB/64GB Approx. |
General
| Model | Xiaomi Redmi Note 8 2021 |
| Announced | 2021, May 25 |
| Released | 2021, May 27 |
| Status | Available |
Design
| Dimensions | 158.3 x 75.3 x 8.4 mm (6.23 x 2.96 x 0.33 in) |
| Weight | 190 g (6.70 oz) |
| 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) |
| Colors | Neptune Blue, Moonlight White, Space Black |
Display Specification
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | IPS LCD, 500 nits (typ) |
| Size | 6.3 inches, 97.4 cm2 |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio |
| 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. | 409 ppi density |
| Display Protection Display Protection => Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage resistance that helps protect mobile displays from scratches, drops, and bumps of everyday use, It is always better to go for a smartphone with Gorilla Glass for that added protection and peace of mind. | Corning Gorilla Glass 5 |
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 11, MIUI 12.5 |
| 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. | Mediatek MT6769Z Helio G85 (12 nm) |
| 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. | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| 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-G52 MC2 |
Main Camera
| Camera Setup | Quad |
| Resolution |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) |
| Features | LED flash, HDR, panorama |
| Video | 1080p@30/120fps; gyro-EIS |
Selfie Camera
| Camera Setup | Single |
| Resolution | 13 MP, f/2.0, (wide), 1/3.1", 1.12µm |
| Video | 1080p@30fps |
| Features | HDR, panorama |
Network & Connectivity
| Technology | GSM / HSPA / LTE |
| Speed | HSPA, LTE |
| Wi-fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world. | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| 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. | 5.2, A2DP, LE |
| 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. | No |
| Positioning | GPS, GLONASS, GALILEO, BDS |
| FM Radio | Yes |
| Infrared port | Yes |
| USB | USB Type-C 2.0, OTG |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40 |
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. | Li-Ion (Lithium Ion) |
| 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. | Li-Po 4000 mAh |
| Removable | No |
| Charging | 18W wired |
| Wireless 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. | No |
Multimedia
| Loudspeaker | Yes |
| Audio Jack | Yes |
Storage
| 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. | microSDXC (dedicated slot) |
| Internal Storage 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. |
64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM eMMC 5.1 |
Sensors
| Fingerprint | Yes (rear-mounted) |
| Other Sensors | accelerometer, gyro, proximity, compass |
PROS
- Excellent value: you get many features usually found in higher priced phones (Gorilla Glass, quad cameras, Helio G85) at a budget price point.
- Good design and build for the class: glass front and back, decent materials, protective glass.
- Strong camera specs on paper for the price: the 48 MP main sensor is a standout.
- Useful extra features like IR blaster, headphone jack, microSD slot add value.
- Compact size (6.3″ display) makes it easier to handle than large-screen phones.
CONS
- Battery size (4,000 mAh) is average, not standout in 2025 where many phones offer 5,000 mAh+.
- Charging (18 W) is modest—slower than many newer budget/ mid-range phones which support higher wattage.
- Helio G85 is fine for everyday tasks, but for heavy gaming or future-proofing it won’t match more powerful chipsets.
- Ultra-wide, macro and depth cameras (2 MP sensors) will not perform as well as primary sensor—quality will drop in low light or challenging conditions.
- As a 2021 model, software update support may be limited compared to newer phones.
About the Xiaomi Redmi Note 8 2021:
The Redmi Note 8 (2021) is a budget smartphone launched by Xiaomi in May 2021 that offers solid value, especially for price-conscious buyers. It comes equipped with the MediaTek Helio G85 (12 nm) chipset, which brings respectable performance for everyday tasks and light gaming.
The device features a 6.3-inch Full HD+ (2340×1080) IPS display with Corning® Gorilla® Glass 5 protection on both front and back, delivering a more premium feel than the typical budget phone. On the imaging front, you get a 48 MP main camera supported by an 8 MP ultra-wide sensor, plus 2 MP macro and depth sensors, and a 13 MP front shooter for selfies.
The battery stands at 4,000 mAh with 18 W fast-charging support, which is decent for a phone in this class. Running on Android 11 with MIUI 12.5 skin out of the box, the phone offers the essentials — including a 3.5mm headphone jack, IR blaster, rear fingerprint sensor, and dedicated microSD slot. Overall, while it may not match flagship-level specs, the Redmi Note 8 (2021) gives a well-rounded package with a strong emphasis on design and basics at a budget price.
Main Key Features
- 6.3″ Full HD+ (2340×1080) IPS display with Gorilla Glass 5 on front and back.
- MediaTek Helio G85 octa-core processor (up to 2.0 GHz) with Mali-G52 GPU.
- Rear quad-camera setup: 48 MP main + 8 MP ultra-wide (120°) + 2 MP macro + 2 MP depth; front 13 MP selfie cam.
- 4,000 mAh battery with 18 W fast charging support.
- Additional features: IR blaster, 3.5mm headphone jack, rear fingerprint sensor, dedicated microSD slot, splash-resistant nano-coating.
- Memory/storage: variants with 4 GB RAM + 64 GB storage (and possibly 128 GB) with expandable storage support.
Why Choose This Phone?
If your budget is constrained and you want a smartphone that covers all the basic needs—good display, decent camera, solid build, and extra features—then the Redmi Note 8 (2021) is a smart choice. Especially in markets like Bangladesh, where price vs performance matters a lot, this phone provides strong value. It’s especially suited for users who don’t require flagship-level performance, but still want a reliable everyday device with good features such as a quad-camera setup, FHD+ screen, and brand reliability. It’s also handy for those who prefer a somewhat smaller phone (6.3″) rather than massive displays.
Opinions:
In my view, the Redmi Note 8 (2021) is a dependable budget smartphone that hits a sweet spot of features vs price. While it isn’t cutting-edge or future-proof in every sense, it offers far more than many ultra-budget phones and avoids major compromises. For everyday use—social media, streaming, camera snaps, moderate gaming—it will serve nicely. If you prioritise ultra-fast charging, top tier gaming, the very best cameras, or many years of software updates, then you might want to look a bit higher up. But for what it brings at its price, it’s a strong value pick.
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FAQs about Xiaomi Redmi Note 8 2021:
Q: What operating system does the Redmi Note 8 2021 use?
A: It runs on MIUI 12.5, based on Android 11.
Q: Does the Redmi Note 8 2021 support expandable storage?
A: Yes, it includes a microSD slot for expandable storage.
Q: What colors are available for the Redmi Note 8 2021?
A: The Redmi Note 8 2021 is available in Neptune Blue, Moonlight White, and Space Black.
Q: How fast does the Redmi Note 8 2021 charge?
A: It supports 18W fast charging.
Q: Does the Redmi Note 8 2021 have a fingerprint sensor?
A: Yes, it has a rear-mounted fingerprint sensor for secure unlocking.
Q: What is the screen resolution of the Redmi Note 8 2021?
A: The display has a Full HD+ resolution of 1080×2340 pixels.
Q: What is the battery capacity of the Redmi Note 8 2021?
A: It features a 4000mAh battery for dependable usage.
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