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Key Features
Key Features
- Display: 6.77 inches (17.19 cm), Flexible AMOLED, 120 Hz Refresh Rate
- Memory: 8GB RAM, 128GB ROM
- Processor: Qualcomm Snapdragon 7s Gen 3, Octa Core, 2.5 GHz
- Camera: 50 MP + 50 MP + 8 MP Triple Rear & 50 MP Front Camera
- Battery: 5000 mAh with 50W Fast Charge
- USP: IP64 Water & Dust Resistant, 360 Degree Antenna, Built For AI
Specifications
Mobile Category
Mobile Type
- Android Smartphone
Mobile Design
- Touch
Manufacturer Details
Brand
- Nothing
Model Series
- Phone 3a Pro
Model Number
- A10400173
Product Dimensions (Open)
Dimensions In CM (WxDxH)
- 7.75 x 0.83 x 16.35
Product Weight
- 211 g
Dimensions In Inches (WxDxH)
- 3.05 x 0.33 x 6.44
Operating System
OS Type
- Android OS
OS Name & Version
- Android 15
User Interface
- Nothing OS 3.1
Processor Details
Processor Name
- Snapdragon 7s Gen 3
GPU (Graphics)
- Qualcomm Adreno 810
Additional Processor Details
- 4 nm Process
Processor Brand
- Qualcomm
CPU Specs
- Up to 2.5 GHz
Number of Cores
- Octa Core
Storage Specifications
Internal Storage
- 128GB
Memory Card Supported
- No
RAM
- 8GB
Screen Specifications
Screen Type
- AMOLED
Screen Ratio
Refresh Rate
- 120 Hz
Screen Resolution
- 2392 x 1080 pixels
Screen Size in CM
- 17.19 cm
Screen Size in Inches
- 6.77 Inches
Brightness
- 3000 Nits
Secondary Screen Specifications
Ratio
Sound
Audio Technology
- Dual Speaker, 2 High-definition Mics
Speaker Type
- Stereo Speakers
Music Playback Format Supported
- MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4
Smartphone Functions
Smart Sensors
- In-display Fingerprint Sensor, Accelerometer, Electronic Compass, Front Ambient Light Sensor, Gyroscope, Proximity Sensor
Additional Smart Functions
- Snapdragon processor with AI Engine, Essential Key, Essential Space, Built For AI, Hexagon Tensor Accelerator (HTA) Boost
Physical Attributes
Buttons & Controls
- Volume Up/Down | Power Control
Additional Physical Features
- 68 Quality Control Protocols & Over 95000 Tests, Panda Glass, Atmospheric Ageing Test: 85°C Environment with 85% Humidity for 21 Days, Extreme Temperature Test: Controlled Temperature Environment Which Fluctuates Between -40°C & 75°C for 21 Days, USB Durability Test: 30,000 Insertion + Extraction Cycles Using a USB-C Cable, Button Press Test: 25,000 Cycles of Pressing Each Button, Fluid Immersion Test: Submerged in 25 cm of Water for 20 Minutes, Abrasion Scratch Test: Front Screens & Back Cover Scratched with Steel Wool Over 2500 Times, Geometric Shapes
Fingerprint Reader Placement
- In-Display
SIM Details
Number of SIMs Supported
- 2
Secondary SIM Type
- Nano
SIM Type
- Nano
Dual SIM Mode
- Dual Stand-by
Hybrid SIM Slot
- No
Network Technology
Cellular Technology
- 5G
Network Technology Supported
- LTE
Bands Supported
- 5G NR Bands: n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78 | 4G LTE Bands: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66 | 3G UMTS (WCDMA) Bands: 1, 2, 4, 5, 6, 8, 19 | 2G GSM: 850/900/1800/1900
Network Connectivity
Wi-Fi Supported
- Yes
Bluetooth Specifications
- Bluetooth 5.4
Bluetooth Features
Wi-Fi Specifications
- IEEE 802.11a/b/g/n/ac/ax
Bluetooth Supported
- Yes
Wi-Fi Features
- WiFi 6, 2.4G/5G, 2x2 MIMO, TWT, 8SS, MU-MIMO, OFDMA, Wi-Fi Direct, Advanced Hotspot
Radio Specifications
Camera
Rear Camera Configuration
- Triple Rear Camera
Rear Flash
- Yes
Front Camera Configuration
- Single Front Camera
Front Flash
Camera Features
- Main Camera: 50 MP, Focal Length: 24 mm, f/1.88, 1/1.56" Sensor, 84.5° FOV, OIS & EIS, Auto Focus, Dual pixel PDAF, Periscope Camera: Focal Length: 50 MP, 70 mm, Aperture: F/2.55, 1/1.95" Sensor, 33.6° FOV, OIS & EIS, Autofocus, 3x Optical Zoom, 6x In-sensor Zoom, 60x Ultra Zoom, Ultra-wide Camera: 8 MP, Focal Length: 15 mm, Aperture: F/2.2, 1/4" Sensor, 120° FOV | Front Camera: 50 MP, Focal Length: 24 mm, Aperture: F/2.2, 1/2.76" Sensor, 81.2° FOV
Video Recording Features
- 4K Recording at 30 FPS, 1080p Recording at 30 or 60 FPS, Slo-mo at 1080p 120 FPS, Time Lapse at 4K / 1080p
Recording File Format
- 4K, 1080p, MP4
Rear Camera
- 50 MP | 50 MP | 8 MP
Front Camera
- 50 MP
Access Control And Security
Lock
- Yes
Access Control And Security
Biometric Locks
- Fingerprint | Facial
Additional Features
Included Software
- Google Apps
Additional Features
- 2160 Hz PWM Dimming Rate, 1.07 Billion Vivid Colours, Contrast Ratio: 1,000,000:1, Linear Haptic Motor, 360 Antenna, Signal Boost, Glyph Interface: 26 Individually Addressable Zones, 10 New Ringtones & Notification Sounds, Glyph Timer, Essential Notifications, Volume Indicator, Glyph Composer, Glyph Torch, Glyph Progress (now supports Google Calendar), Flip to Glyph, Bedtime Schedule, Music Visualisation, Camera Countdown, Glyph Fill Light, Video Playback Supported Formats: MKV, MOV, MP4, H.265 (HEVC), AVI, WMV, TS, 3GP, FLV, WEBM, Image Playback Supported Formats: JPEG, PNG, BMP, GIF, WEB, HEIF, HEIC, DNG, Output: JPEG, DNG, Hybrid Coexistence 2.0
Battery
Battery Type
- Non-Removable
Battery Technology
- Lithium-Ion
Battery Capacity
- 5000 mAh
Standard Battery Life
- 26 Hours of YouTube, 11 Hours Gaming, 24 Hours of Instagram Scrolling, 45 Hours of Voice Calls
Charging
Charging Pin Type
- USB Type-C
Fast Charging Capability
- Yes
Battery Charge Time
- 100% Charge Time 56 Minutes, 50% Charge Time 19 Minutes
Additional Charging Features
- 2-Day Battery, 7.5W Reverse Wired Charging, 50W Fast Charge, Maintain Over 90% Maximum Capacity After 1,200 Charging Cycles
Materials & Durability
Body Material
- Steel | Plastic | Aluminum
Resistance Type
- Dust Resistant | Water Resistant
IP Rating
- IP64
Resistance Features
Aesthetics
Brand Color
- Grey
Color
- GREY
In The Box
Documents
- 1 x Quick Start Guide, 1 x Warranty Card
Main product
- 1 x Mobile Phone U
Accessories
- USB Cable, Charger, Phone Case, Sim Eject Tool, Protective Film (Applied)
Package Includes
- 1 x Mobile Phone U, 1 x USB Cable, 1 x Charger, 1 x Sim Eject Tool, 1 x Phone Case, 1 x Protective Film (Applied), 1 x Quick Start Guide, 1 x Warranty Card, 1 x Safety Card
Others
- 1 x Safety Card
Generic Name
- Mobile Phone
Packaged Dimensions
After Sales & Services
Warranty on Main Product
- 12 Months
Additional Warranties
Warranty Type
- Carry-In
Standard Warranty Includes
- Manufacturing Defects
Standard Warranty Excludes
- Physical Damage
How to claim Standard Warranty
Installation & Demo
- Not Applicable
Installation & Demo applicable
- No
Certification
Additional Certifications
- HDR10+ Certification
Certification
Additional Certifications
- HDR10+ Certification
Certification
- Yes
Company Contact Information
Customer Support Number
- 18005727662
Customer Support Email
- customersupport@croma.com
Manufacturer/Importer/Marketer Name & Address
- Manufacturer Name & Address: ESSENTIALLY NOTHING PRIVATE LIMITED, 5th Floor, Two Horizon Centre, DLF Phase 5, Gurugram, Haryana, India, 122002
Country of Manufacture
- India
Country of Brand Origin
- United Kingdom
Croma Service Promise
Customer Support Email
- customersupport@croma.com
Registered Name and Address
- Infiniti Retail Ltd. - Unit No. 701 & 702, 7th Floor, Kaledonia, Sahar Road, Andheri (East); Mumbai - 400069. India
Customer Support Number
- 1800 572 7662
Customer Care Contact Person
- Grievance Officer
Overview
Seamless Performance
Powered by the Snapdragon 7s Gen 3 5G chipset, the Nothing Phone 3A Pro 6.77-Inch 5G Smartphone ensures fast processing, efficient multitasking, and smooth gaming. Its 8-core Kryo CPU, built on TSMC’s 4nm process, enhances power efficiency while maintaining top-tier performance. Additionally, the Qualcomm AI Engine optimises real-time responsiveness for a refined user experience.
Optimised for Gaming
Engineered for smooth gameplay, this 5G smartphone prioritises CPU and GPU performance, ensuring seamless, lag-free gaming. The Hexagon Tensor Accelerator enhances AI processing, improving image quality and real-time optimisations. Additionally, the 4,500 mm² steel vapor chamber efficiently dissipates heat, keeping the phone cool even under heavy loads.
Lag-Free Multitasking
With 8GB of RAM, this smartphone enables quick app switching, efficient background processing, and uninterrupted performance. Plus, the RAM booster feature expands available memory up to 20GB, ensuring flawless multitasking even with resource-heavy applications.
Ample Storage
Boasting 128GB of internal storage, this device provides ample space for apps, high-resolution photos, 4K videos, games, and essential documents. So, whether you're capturing memories, downloading entertainment, or storing work files, you can keep everything organized without worrying about space constraints.
Stunning Visuals
Featuring a 6.77-inch flexible AMOLED screen, this smartphone delivers vivid colours, deep contrasts, and sharp clarity. Its 120Hz adaptive refresh rate ensures buttery-smooth scrolling, while the 1000Hz touch sampling rate enhances responsiveness, making interactions seamless. Additionally, with 10-bit colour depth, a 1,000,000:1 contrast ratio, and 3000 nits peak brightness, it offers enhanced outdoor visibility and an immersive viewing experience.
Advanced Camera System
Designed for photography enthusiasts, this smartphone features a 50MP Sony LYTIA 600 primary sensor with Optical Image Stabilisation (OIS) for sharp, noise-free images. Its periscope zoom lens supports 3x optical zoom, 6x lossless zoom, and up to 60x ultra zoom, capturing intricate details even from a distance. Additionally, the macro mode allows for stunning close-up shots, while the 50MP front camera with AI-enhanced stabilisation ensures high-resolution selfies and 4K video recording.
AI Powered Features
With the Essential Key, capturing and managing content on this 6.77-inch smartphone becomes effortless. This button enables quick screenshots, voice recording, and access to Essential Space, where AI automatically categorises and organises saved content. Additionally, personalised suggestions and smart reminders help streamline daily tasks.
Reliable Battery
Equipped with a 5000mAh battery, this Nothing smartphone delivers long-lasting usage on a single charge, keeping you connected throughout the day. Plus, fast-charging support ensures you spend less time plugged in and more time using your device.
Sophisticated Transparent Design
Staying true to Nothing’s signature aesthetic, this smartphone features a transparent design with futuristic elements. Constructed with precision engineering, it achieves an ideal balance between minimalism and high-tech sophistication, making it a visually striking device.


















