The Redmi 5 is a budget Android smartphone manufactured by the Chinese consumer electronics company Xiaomi Corporation, announced on December 7, 2017, and released in China on December 12, 2017.[1] It was positioned as an entry-level device in Xiaomi's Redmi lineup, targeting cost-conscious consumers with its introduction of an affordable 18:9 aspect ratiodisplay and efficient processor for everyday tasks.[2] Priced starting at around $120 for the base model,[1] it became popular in emerging markets like India and Bangladesh for its balance of features and affordability.[3][4]The device measures 151.8 x 72.8 x 7.7 mm and weighs 157 grams, featuring a polycarbonate unibody design available in colors such as black, blue, gold, and rose gold.[5] Its 5.7-inch IPS LCD display offers a resolution of 720 x 1440 pixels (HD+), providing a pixel density of 282 ppi and protected by unspecified Corning Gorilla Glass.[6] Powered by the Qualcomm Snapdragon 450 octa-core processor (up to 1.8 GHz Cortex-A53) with Adreno 506 GPU, it handles basic multitasking and light gaming effectively.[6] Storage and memory options include variants with 2 GB or 3 GB LPDDR3 RAM paired with 16 GB or 32 GB internal storage, or a higher-end 4 GB RAM / 64 GB storage model (all expandable via microSDXC up to 128 GB).[5][7] The camera setup consists of a single 12 MP rear sensor (f/2.2, PDAF) capable of 1080p video recording and a 5 MP front camera for selfies.[5] A 3300 mAh non-removable battery supports all-day usage, with 5V/2A charging but no fast charging.[2]Out of the box, the Redmi 5 runs Android 7.1.2 Nougat overlaid with Xiaomi's MIUI 9 interface, which was later upgradable to Android 8.1 Oreo and MIUI 11 for improved security and features.[5] Connectivity includes 4GLTE, Wi-Fi 802.11 b/g/n, Bluetooth 4.2, GPS, and a microUSB 2.0 port, along with a 3.5 mm headphone jack and rear-mounted fingerprint sensor.[5] Reviews praised its value proposition, with a TechRadar score of 3.8 out of 5 for delivering a full-featured experience in the budget segment, though the camera and display brightness were noted as average.[8] Overall, the Redmi 5 contributed to Xiaomi's growth in the global budget smartphone market by emphasizing reliable performance over premium specifications.[8]
Development and Release
Announcement and Development
The Redmi series, introduced by Xiaomi in 2013, targeted budget-conscious consumers in emerging markets by offering high-quality smartphones at accessible prices, establishing a foundation for affordable yet feature-rich devices.[9] This evolution culminated in the Redmi 5 as the direct successor to the Redmi 4, with Xiaomi prioritizing cost reductions through optimized supply chains and component selections to maintain competitiveness in price-sensitive regions like India and Southeast Asia.[10]Development of the Redmi 5 emphasized affordability while incorporating design cues from Xiaomi's premium Mi series, such as the shift to an 18:9 aspect ratio display, which marked an early adoption of this taller screen format in the budget segment to improve media consumption and ergonomics without inflating production costs.[11] Key engineering decisions included a strategic partnership with Qualcomm to integrate the Snapdragon 450 processor, ensuring reliable performance at low power consumption to appeal to entry-level users.[12]Xiaomi unveiled the Redmi 5 on December 7, 2017, during a launch event in Beijing, China, teasing core specifications like the 18:9 display and processor options while highlighting adaptations for global and regional markets, including storage and connectivity variations.[13]
Launch Details and Variants
The Redmi 5 was officially announced in China on December 7, 2017, and released on December 12, 2017, marking Xiaomi's entry into the budget full-screen smartphone segment.[13][14] The global release followed in the second half of February 2018, incorporating additional LTE band support such as Band 20 for broader European compatibility. In India, the device debuted on March 14, 2018, as part of Xiaomi's aggressive expansion in the budget market. At launch, it shipped with MIUI 9 based on Android 7.1.2 Nougat.[15][16][5]Pricing for the Redmi 5 was positioned competitively to target emerging markets, starting at 799 yuan (approximately $120 USD) in China for the base 2 GB RAM and 16 GB storage variant, with the 3 GB RAM and 32 GB storage option at 899 yuan (about $135 USD). A higher-end 4 GB RAM and 64 GB storage model was introduced later in China at 1,099 yuan (around $165 USD). In India and global markets, pricing began at Rs 7,999 (roughly $115 USD) for the 2 GB/16 GB configuration, Rs 8,999 ($130 USD) for 3 GB/32 GB, and Rs 10,999 ($160 USD) for 4 GB/64 GB, emphasizing affordability in price-sensitive regions.[1][17][16]The standard Redmi 5 variant, powered by the Qualcomm Snapdragon 450 processor, was consistent across global, Indian, and Chinese markets, supporting dual SIM functionality with optimizations for local networks in China such as enhanced TD-LTE bands. The related Redmi 5A served as a more budget-focused sub-variant with the Snapdragon 425 chipset, though it was released separately in October 2017. Initial availability focused on China, India, and select Asian countries including Indonesia and Malaysia, with Xiaomi partnering with Reliance Jio in India to enable seamless 4G VoLTE support and introductory offers like Rs 2,200 cashback plus 100 GB additional data. Packaging at launch typically included a 5V/2A wall charger, microUSB cable, SIM ejector tool, and a clear protective case in Indian variants, but no earphones.[5][16][18]
Design and Hardware
Build and Dimensions
The Redmi 5 features compact dimensions of 151.8 mm in height, 72.8 mm in width, and 7.7 mm in thickness, making it suitable for one-handed use among budget smartphones.[5][2] It weighs 157 grams, contributing to its lightweight and portable profile for everyday handling.[5][2]The device's build incorporates a premium metal body with an aluminum/plastic back and plastic frame, offering a sturdy construction without flex or gaps.[2][5] The front display is protected by Gorilla Glass, providing resistance to scratches and minor impacts.[5] This combination of materials gives the Redmi 5 a metal-like finish while maintaining affordability for entry-level users.[19]Durability is enhanced by its solid assembly, with no vulnerable points noted in construction, ensuring reliability for daily use.[19] The hybrid SIM tray supports dual nano-SIM cards or a single nano-SIM paired with a microSD card expandable up to 128 GB, located on the upper side edge for easy access.[5]Ergonomically, the Redmi 5 includes curved edges and rounded corners that improve grip and comfort during prolonged holding.[2][20] A fingerprint sensor is positioned on the rear panel below the camera module for intuitive unlocking, while the bottom-placed speaker grille facilitates clear audio output without obstruction.[20][5]
Display and Input Features
The Redmi 5 features a 5.7-inch IPS LCD display with a resolution of 1440 x 720 pixels, equivalent to HD+ quality, and an 18:9 aspect ratio that provides a taller screen for improved media consumption and multitasking in budget smartphones.[5] This configuration yields a pixel density of approximately 282 ppi, delivering sharp visuals suitable for everyday use without excessive power draw.[5] The display achieves a typical brightness of 450 nits, enabling adequate visibility in various lighting conditions, including outdoor environments.[2]Enhancing the viewing experience, the screen incorporates 2.5D curved glass protection, which offers rounded edges for a premium feel and reduced risk of chipping along the borders. Additional features include a sunlight readability mode that dynamically adjusts contrast and saturation for better legibility under direct sunlight, as well as an anti-fingerprint oleophobic coating to minimize smudges and maintain clarity during prolonged handling.[2][21]For input, the device employs a capacitive touchscreen supporting multitouch gestures, allowing up to 10 simultaneous contact points for intuitive interactions like pinching to zoom or swiping.[5] Front-mounted proximity and ambient light sensors automatically manage screen activation during calls and adapt brightness to surrounding conditions, while the integrated accelerometer enables auto-rotation for seamless orientation switching between portrait and landscape modes.[5]Navigation relies on virtual on-screen buttons, which users can customize in layout and sensitivity through the settings, compensating for the absence of a physical home button.[22]
Processor and Performance
The standard Redmi 5 features the Qualcomm Snapdragon 450 chipset, built on a 14 nm process, with an octa-core CPU consisting of Cortex-A53 cores clocked at up to 1.8 GHz and an Adreno 506 GPU.[5] This configuration provides entry-level processing capabilities optimized for budget devices.[23]Memory options for the Redmi 5 include 2 GB, 3 GB, or 4 GB of LPDDR3 RAM, while internal storage comes in 16 GB, 32 GB, or 64 GB eMMC variants, all expandable via microSDXC (hybrid slot) up to 128 GB.[5][23] These specifications support smooth handling of routine applications but may limit intensive multitasking in higher-RAM configurations.Benchmark tests demonstrate the Redmi 5's suitability for light gaming and everyday multitasking, with AnTuTu v7 scores averaging around 70,000 points.[24]Geekbench 4 results typically show a single-core score of 773 and a multi-core score of 3,019, reflecting modest computational power for its price range.[25] Professional reviews confirm reliable performance in games like PUBG Mobile at low settings, though frame rates drop during extended sessions.[26]Thermal management relies on standard dissipation techniques common to Xiaomi's budget lineup, with reports of CPU throttling under prolonged heavy loads to maintain safe temperatures.[27] This helps prevent overheating during tasks like gaming but can reduce sustained performance.[28]
Camera and Sensors
The Redmi 5 features a single 12 MP rear camera sensor with an f/2.2 aperture, 26mm equivalent focal length, and 1.25μm pixel size, enabling phase detection autofocus (PDAF) for quicker focusing on subjects.[5][6] It includes a single-tone LED flash to assist in low-light conditions, though the budget-oriented sensor results in limited dynamic range and noise in dim environments compared to higher-end devices.[29] The camera supports 1080p video recording at 30fps, along with photography modes such as HDR for enhanced contrast in varied lighting, panorama for wide scenes, and burst mode for capturing multiple shots rapidly.[5][6]For selfies, the device has a 5 MP front-facing camera with an f/2.0 aperture and fixed focus, optimized through the MIUI camera app's Beautify 4.0 mode, which applies skin smoothing and other enhancements suitable for social media portraits.[5][30] It records 720p video at 30fps, providing basic functionality for video calls and casual clips.[5]The sensor suite includes a rear-mounted fingerprint scanner positioned below the camera module, offering reliable and quick biometric unlocking with accurate recognition rates in everyday use.[5][22] An infrared (IR) blaster is integrated at the top of the device, allowing users to control compatible home appliances like TVs and air conditioners via the pre-installed Mi Remote app.[6][19] Additional sensors comprise an accelerometer for motion detection, gyroscope for orientation tracking—supporting augmented reality (AR) applications—a proximity sensor to disable the display during calls, ambient light sensor for automatic brightness adjustment, and electronic compass for navigation features.[5][6]Image processing is handled through the MIUI camera interface, which incorporates AI scene detection to automatically adjust settings based on detected subjects like landscapes or food, though performance remains basic due to the hardware constraints.[29] Overall, these capabilities position the Redmi 5's camera and sensors as sufficient for everyday casual photography and utility functions in a budgetsmartphone.[30]
Battery and Charging
The Redmi 5 features a 3300 mAh non-removable Li-Po battery designed for reliable daily performance in budget smartphones.[5] This capacity supports extended usage, with lab tests yielding an overall endurance rating of 83 hours under mixed conditions including telephony, web browsing, and video playback.[31]Charging is handled via a 5V/2A micro-USB port at 10W speeds, requiring about 2 hours and 10 minutes for a full charge from 0 to 100 percent.[32] The device lacks fast charging or wireless charging capabilities, prioritizing simplicity in its entry-level design.[5]In real-world scenarios, the battery typically lasts a full day with basic tasks such as calls, messaging, and light browsing, while heavy usage delivers 6-7 hours of screen-on time.[33] Video streaming tests indicate around 12 hours of continuous playback, as 22 minutes of use consumed just 3 percent of the battery.[32] Standby drain remains low at 1-2 percent per hour under optimal conditions.[31]MIUI's efficiency features, including adaptive battery optimization and aggressive background app management, help prolong runtime by learning user patterns and restricting unnecessary processes.[34] The Snapdragon 450 processor's power efficiency further aids in conserving energy during typical operations.[35]
Software and Features
Operating System and Updates
The Redmi 5 launched with Android 7.1.2 Nougat overlaid by Xiaomi's MIUI 9 user interface skin.[5] It received an official upgrade to Android 8.1 Oreo with MIUI 10 in late 2018 via a global stable ROM rollout.[36] In November 2019, Xiaomi began deploying MIUI 11 based on Android 8.1 Oreo to the device.[37] No further major Android updates were provided beyond Android 8.1, and security patches ceased after December 2019.[37]MIUI on the Redmi 5 introduced several customization options, including full-screen gestures for navigation introduced in the MIUI 9 beta, which allowed swipe-based controls replacing traditional buttons.[38] The App Vault feature provided a centralized hub for quick access to notifications, tools, and frequently used apps, enhancing productivity.[39] Additionally, Second Space enabled users to create a separate, privacy-focused profile with isolated apps and data, functioning like a dual-user environment.[39]Due to hardware limitations, such as the Snapdragon 450 processor's constraints on supporting newer Android versions, the Redmi 5 did not receive Android 9 or later officially.[5] Users seeking extended functionality have turned to unofficial community ROMs, like those developed on XDA Developers, though these carry risks of instability and voided warranties.[40]
User Interface and Pre-installed Apps
The Redmi 5 utilizes MIUI 9 as its user interface, providing a customized layer over Android 7.1.2 Nougat with streamlined navigation and personalization options. The lock screen supports displaying essential information like time and notifications. Notification shades feature a redesigned layout with bundled notifications for grouped alerts and quick reply functionality directly from the panel, enhancing multitasking efficiency. Users can further customize the interface through the integrated MIUI Theme Store, which offers downloadable themes for lock screens, icons, wallpapers, and system elements to suit individual preferences.[35][41][42]Pre-installed applications on the Redmi 5 emphasize Xiaomi's ecosystem alongside essential Google services for broad compatibility. Xiaomi's native apps include the Mi Browser for secure web access, Mi Music for streaming and local playback, and the GetApps store as an alternative marketplace for app downloads. Google integrations comprise the Play Store for app management, Google Maps for location services, and Google Assistant for voice-activated assistance, ensuring seamless access to the Androidecosystem.[35][43]Regional adaptations for the Indian variant focus on market-specific optimizations, with no standard pre-loading of Jio apps confirmed, though launch partnerships provided cashback and data incentives via the MyJio app. Bloatware management is facilitated through device settings, where users can disable unnecessary pre-installed apps via the Application management menu without requiring root access, promoting a cleaner user experience.[44][45]Accessibility features in MIUI 9 on the Redmi 5 prioritize usability for diverse users, including large font support adjustable in display settings to improve text readability for those with visual impairments. One-handed mode shrinks the screen size temporarily for easier reach on the 5.7-inch display, activated by swiping from the navigation bar. Gesture controls enable quick actions, such as double-tap to wake the screen or swipe gestures for app switching, integrated into the interface for intuitive operation.[46][47]
Reception and Reviews
Professional Criticisms
Professional reviews of the Xiaomi Redmi 5 emphasized its strong value proposition in the entry-level market, particularly for its adoption of an 18:9 aspect ratio display, which provided a more immersive viewing experience compared to the standard 16:9 screens prevalent in budget devices at the time. GSMArena praised the 5.7-inch HD+ panel for bringing a "hip tall aspect ratio look" to an affordable smartphone, enhancing media consumption without significantly increasing the device's footprint.[48]Critics also appreciated the build quality and battery endurance relative to the price point. Reviews highlighted the polycarbonate unibody construction as a solid and lightweight feel for a sub-$150 device. The 3,300mAh battery delivered all-day usage even under moderate loads, with reliable performance for basic tasks.[48]However, the camera drew consistent criticism, especially in low-light conditions, where the 12MP rear sensor produced noisy and soft images lacking detail. TechRadar described the low-light output as "not too impressive," recommending it only for well-lit scenarios despite adequate daylight performance. Performance during multitasking was another weak point, with the Snapdragon 450 chipset showing occasional lags when switching apps or running demanding tasks.[49]Software support included upgrades from the launch Android 7.1 Nougat to Android 8.1 Oreo with MIUI 10, and further to Android 9 Pie with MIUI 11 globally by 2020, though security patches ended around 2021 in most regions, leaving it behind competitors with longer support. Overall, reviews positioned the Redmi 5 as one of the top options under $150 in 2018 budget roundups for its display and battery advantages, with TechRadar awarding 3.8/5.[48][8][50]In comparisons, the Redmi 5 outperformed the Moto E5 in display quality due to its taller 18:9 ratio versus the latter's 16:9, offering better video playback and app optimization, though it lagged behind the Nokia 6.1 in software longevity, as the Nokia received Android 10 via its Android One program while the Redmi 5 topped out at Android 9 in most regions.[51][52]
User Experiences and Issues
Users have frequently highlighted the Redmi 5's strong battery performance, noting that it provides reliable endurance for everyday tasks such as browsing, social media, and light gaming, often lasting a full day or more on a single charge.[53] The rear-mounted fingerprint sensor has been described as dependable and quick in unlocking the device, contributing to a smooth user experience.[54] In the Indian market, where the device was particularly popular, customer feedback on e-commerce platforms emphasizes its excellent value for money, with an average rating of 4.2 out of 5 based on thousands of reviews praising its affordability relative to features offered.[55]Common software-related complaints include occasional bugs in the MIUI interface, such as delayed notifications from apps like messaging services, which can be mitigated by adjusting battery optimization settings.[56] Storage bloat from pre-installed apps is another frequent issue, reducing available space and requiring users to uninstall or disable bloatware to free up internal memory.[57] Overheating during charging has been reported, particularly when using the device while plugged in, though this is a broader concern across early Xiaomi models and can be addressed by avoiding heavy usage during charging.[27]Hardware grievances often center on the speaker, which exhibits distortion and lower-than-expected volume at maximum levels, limiting its utility for media consumption.[58] The micro-USB port has shown signs of wear over time with prolonged use, leading to charging interruptions for some owners.[59] Update-related bugs, including performance lags and freezes, have occasionally arisen but are typically resolved through subsequent patches as detailed in the operating system section.Xiaomi provides a standard one-year limited warranty for the Redmi 5, covering manufacturing defects and offering repair or replacement services through authorized centers globally.[60] Enthusiastic users in developer communities have shared workarounds like installing custom kernels to enhance performance and address minor issues, though this voids the warranty.[61]
The Redmi 5 experienced strong commercial success shortly after its December 2017 launch, particularly in emerging markets where budget smartphones were in high demand. In India, its initial flash sale of over 400,000 units sold out quickly through high-demand sales on platforms like Amazon and Mi.com, contributing to Xiaomi's record shipments in the region.[62] Globally, Xiaomi reported shipping more than 118 million smartphones in 2018, with entry-level models like the Redmi 5 driving growth in the sub-$200 segment across Asia, where the company captured a dominant position.[63]Xiaomi's overall global smartphone market share reached approximately 8.5% in 2018 according to IDC data, bolstered by the Redmi 5's performance in price-sensitive markets. In the sub-$200 category in Asia, the device helped Xiaomi achieve leadership, with the company shipping over 28 million units in Q1 2018 alone, a significant portion from budget offerings. Promotional efforts, including exclusive flash sales on Flipkart, accelerated adoption in India.[64][65]Regionally, the Redmi 5 was among the top budget sellers in India, accounting for a key part of Xiaomi's 31% market share in Q1 2018 per Counterpoint Research, amid fierce competition in the entry-level space. In Europe, however, its performance was moderate, limited by established rivals like Samsung's A-series, as Xiaomi focused expansion on Asia and less on premium positioning there.[66][67]
Discontinuation and Successors
Production of the Redmi 5 was phased out following the launch of its successor, the Redmi 6, in June 2018, which introduced an upgraded MediaTek Helio P22 processor for better performance.[68] The Redmi lineup subsequently evolved toward the Redmi Note series, maintaining a focus on budget-oriented devices with iterative improvements in display aspect ratios and hardware efficiency. The Redmi 5's adoption of an 18:9 screen design became a staple in Xiaomi's affordable segment, influencing the broader trend of tall-screen budget smartphones.[5]The device's official software support concluded with the rollout of MIUI 11 based on Android 8.1 in early 2020, after which no further updates were provided by Xiaomi.[50] This marked the end of security patches and feature enhancements, aligning with Xiaomi's typical 3-4 year support window for budget models. As of 2025, the Redmi 5 is listed as end-of-life (EOL) on Xiaomi's official security update tracker, confirming no ongoing official maintenance.[69]The Redmi 5 played a key role in Xiaomi's ascent to the top five global smartphone vendors in 2018, with its budget positioning driving significant market share gains, particularly in emerging markets like India and Spain.[70] Its success in popularizing accessible 18:9 displays inspired competitors, including Realme's entry into the budget segment with similar form factors starting in 2018.In 2025, second-hand Redmi 5 units typically sell for around $35-50 USD on platforms like eBay and AliExpress, reflecting its enduring appeal as an entry-level device. Active developer communities continue to support the phone through custom ROMs, with builds reaching Android 15 (LineageOS 22) available via forums like XDA Developers, extending its usability beyond official support.[71][72]