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Xiaomi Redmi 15
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Battery: 7000 mAh
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RAM: 4GB
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Storage: 128GB
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Display: IPS LCD, 6.9 inches
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Camera: Rear 50MP, and Front 8MP
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OS: Android 15, HyperOS 2
Full Specifications
Price
| Official | 29990 BDT 4GB/128GB Approx. |
General
| Model | Xiaomi Redmi 15 |
| Announced | 2025, August 01 |
| Released | 2025, August 01 |
| Status | Available |
Design
| Dimensions | 171.1 x 82.1 x 8.6 mm (6.74 x 3.23 x 0.34 in) |
| Weight | 224 g (7.90 oz) |
| SIM <strong>SIM</strong> (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. |
Nano-SIM + Nano-SIM IP64 dust tight and water resistant (water splashes) |
| Colors | Midnight Black, Titan Gray, Green |
Display Specification
| Display Type <strong>Display Technology => </strong> 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, 144Hz |
| Size | 6.9 inches, 116.9 cm2 |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio |
| Pixel Density <strong>Pixel Density (PPI)</strong> 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. | 374 ppi density |
| Display Protection <strong>Display Protection => </strong> 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. | Unspecified |
Platform
| Operating System <strong>OS => </strong> 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 15, HyperOS 2 |
| Chipset <strong>Chipset</strong> 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. | Qualcomm SM6375 Snapdragon 6s Gen 3 (6 nm) |
| CPU <strong>CPU</strong> (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 (2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) |
| GPU <strong>GPU</strong> (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. | Adreno 619 |
Main Camera
| Camera Setup | Dual |
| Resolution |
50 MP, f/1.8, (wide), PDAF other unspecified cameras |
| Features | LED flash, HDR |
| Video | 1080p@30fps |
Selfie Camera
| Camera Setup | Single |
| Resolution | 8 MP, f/2.0, (wide) |
| Video | 1080p@30fps |
| Features | HDR |
Network & Connectivity
| Technology | GSM / HSPA / LTE / 5G |
| Speed | HSPA, LTE, 5G |
| Wi-fi <strong>Wi-Fi</strong> 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 |
| Bluetooth <strong>Bluetooth</strong> 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. | 5.1, A2DP, LE |
| NFC <strong>NFC</strong> (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. | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS |
| FM Radio | Yes |
| Infrared port | Yes |
| USB | USB Type-C |
| 2G Network | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE |
| 5G Network | SA/NSA |
Battery
| Battery Type <strong>Battery Type => </strong> 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 <strong>Battery Capacity</strong> 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. | 7000 mAh |
| Removable | No |
| Charging | 33W wired |
| Wireless Charging <strong>Wireless Charging</strong> (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 |
| Audio Features | 24-bit/192kHz Hi-Res audio |
Storage
| Card Slot <strong>Memory Card Slot</strong> 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. | No |
| Internal Storage <strong>Internal Storage</strong> 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. | 128GB 4GB RAM |
Sensors
| Fingerprint | Yes (side-mounted) |
| Other Sensors | Accelerometer, compass Virtual proximity sensing |
About the Xiaomi Redmi 15
The Xiaomi Redmi 15 is a budget-friendly 5G smartphone that launched in August 2025, positioning itself as an accessible entry point into modern mobile technology. Built around the Qualcomm Snapdragon 6s Gen 3 chipset and running Android 15 with HyperOS 2, this device emphasizes practicality and value over premium features. The phone features a large 6.9-inch IPS LCD with a 144Hz refresh rate, providing smooth scrolling and a responsive touch experience. Its most notable characteristic is the massive 7000mAh battery, which promises exceptional longevity for users who prioritize all-day usage without frequent charging. The device comes in a single RAM configuration of 4GB, with storage options of 128GB or 256GB; however, it lacks expandable storage. With its IP64 rating, the Redmi 15 offers basic protection against dust and water splashes, making it suitable for everyday use in various conditions.
Main Key Features
- Massive Battery Life: 7000mAh battery with 33W fast charging
- Large Smooth Display: 6.9-inch IPS LCD with 144Hz refresh rate
- 5G Connectivity: Full network support including GSM/HSPA/LTE/5G
- Dual Camera System: 50MP main camera with PDAF and secondary sensor
- Modern Software: Android 15 with HyperOS 2 interface
- Decent Performance: Snapdragon 6s Gen 3 processor with 4GB RAM
- Water Resistance: IP64 rating for basic protection
- Audio Features: 3.5mm headphone jack with Hi-Res audio support
- Comprehensive Connectivity: Wi-Fi dual-band, Bluetooth 5.1, NFC, IR blaster
- Side-mounted Fingerprint: Convenient biometric security
Pros & Cons
Pros
- Exceptional battery life with 7000mAh capacity
- Large, smooth 144Hz display ideal for media consumption
- Affordable pricing around 210 EUR
- 5G connectivity at budget price point
- Retains 3.5mm headphone jack
- IP64 water and dust resistance
- Comprehensive connectivity options including NFC and IR blaster
- Latest Android 15 with HyperOS 2
Cons
- Limited 4GB RAM may struggle with multitasking
- No expandable storage option
- Basic camera setup compared to competitors
- Heavy weight at 224g due to large battery
- IPS LCD instead of AMOLED display
- Only 33W charging despite a large battery
- An entry-level processor may limit gaming performance
- Thick profile at 8.6mm
Why Choose This Phone?
Choose the Xiaomi Redmi 15 if you prioritize battery longevity above all else and need a reliable daily driver that won’t break the bank. This phone is perfect for users who spend long hours away from charging sources, such as travelers, outdoor workers, or heavy media consumers. The combination of 5G connectivity at an affordable price makes it an excellent choice for those wanting to future-proof their purchase without paying premium prices. The large 144Hz display provides a smooth user experience for browsing, social media, and video streaming. It’s also ideal for users who appreciate having traditional features like the headphone jack and want comprehensive connectivity options, including NFC for payments and IR blaster for controlling appliances. The phone suits budget-conscious buyers who need modern Android features, decent performance for everyday tasks, and the peace of mind that comes with exceptional battery life.
Opinion
The Xiaomi Redmi 15 succeeds as a no-nonsense budget smartphone that delivers where it matters most for its target audience. While it may not excel in performance benchmarks or camera comparisons, it excels in providing reliable, long-lasting functionality at an accessible price point. The massive battery is genuinely impressive and addresses one of the most common smartphone frustrations. However, the limited RAM and basic camera system show clear compromises made to achieve the attractive pricing. It’s a solid choice for users who value practicality over flashiness, though power users and photography enthusiasts should look elsewhere.
See Another Model:
FAQs about Xiaomi Redmi 15
Q: Will it receive Android updates?
A: Xiaomi typically provides 2-3 years of security updates and at least one major Android version update for Redmi devices.
Q: Is the camera good for photography?
A: The 50MP main camera is decent for daylight photos but basic compared to competitors in the same price range.
Q: How’s the gaming performance?
A: Suitable for casual games and older titles, but don’t expect smooth performance on demanding modern games due to the entry-level processor.
Q: What’s the difference between this and the Redmi 15 4G version?
A: The main difference is 5G connectivity support; other specifications may vary slightly.
Q: Does it support wireless charging?
A: No, it only supports 33W wired charging via USB Type-C.
Q: How long does the 7000mAh battery actually last?
A: With typical usage, expect 2-3 days of battery life, or up to 4-5 days with light usage patterns.
