The ASUS Pegasus 4S, launched in November 2017, is a stylish mid-range smartphone that introduced a modern bezel-less design with an 18:9 aspect ratio. It features a 5.7-inch IPS LCD display that provides an immersive visual experience with vibrant colours and sharp details. Powered by the MediaTek MT6750T Octa-core processor, the ASUS Pegasus 4S specs include 3GB/4GB RAM and 32GB/64GB internal storage, expandable up to 256GB via a microSD card. Running on Android 7.0 Nougat, the device ensures smooth performance for daily tasks, multitasking, and entertainment. The smartphone is equipped with a 4130 mAh battery, designed to last through extended usage without frequent charging.
The ASUS Pegasus 4S features a dual-camera system on the rear, comprising a 16MP primary sensor and an 8MP secondary sensor, delivering decent photography capabilities. For selfies, the device includes an 8MP front camera. It supports dual SIM functionality, 4G VoLTE, Wi-Fi, Bluetooth 4.0, and GPS, ensuring seamless connectivity. The rear-mounted fingerprint sensor provides added security and convenience. Available in Gold and Star Black, the ASUS Pegasus 4S price in India at launch was Rs. 19,990, making it a competitive choice in its segment. Users looking for future-ready connectivity options can explore
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ASUS Pegasus 4S - Key specs
The ASUS Pegasus 4S, launched in November 2017, is a mid-range smartphone that combines modern design with reliable performance. It features a 5.7-inch HD+ display with an 18:9 aspect ratio, providing an immersive viewing experience. Powered by the MediaTek MT6750T Octa-core processor, the device offers smooth multitasking capabilities. The dual rear camera setup includes 16MP and 8MP sensors, while the front houses an 8MP camera for selfies. With 4GB of RAM and storage options of 32GB or 64GB, expandable via microSD, the Pegasus 4S caters to various user needs. The device runs on Android 7.0 Nougat and is equipped with a 4130 mAh battery, ensuring extended usage.
| Specifications | Details |
| Display | 5.7-inch HD+ (720 x 1440 pixels) |
| Processor | MediaTek MT6750T, Octa-core 1.5GHz |
| Front camera | 8MP |
| Rear camera | Dual 16MP + 8MP |
| RAM | 4GB |
| Storage | 32GB/64GB, expandable via microSD up to 256GB |
| OS | Android 7.0 Nougat |
| Release status | Released |
| Release date | 30 November 2017 |
ASUS Pegasus 4S - Full specifications and features
The ASUS Pegasus 4S is designed to deliver a seamless user experience, combining a high-definition display, efficient processing power, and a durable battery. Its sleek design and dual-camera setup make it appealing to users who value both style and functionality. Below is a comprehensive breakdown of its specifications.
General
The ASUS Pegasus 4S features a bar-form factor with dimensions of 152.6 x 72.7 x 8.8 mm and weighs 160 g. It is powered by a 4130 mAh Li-Ion battery, providing substantial usage time. Available in Gold and Star Black, the device offers a premium look and feel.
| Specifications | Details |
| Brand | ASUS |
| Model | Pegasus 4S |
| Price in India | Rs. 19,990 |
| Release date | 30 November 2017 |
| Launched in India | Yes |
| Form factor | Bar |
| Weight (g) | 160 |
| Battery capacity (mAh) | 4130 |
| Fast charging | No |
| Colours | Gold, Star Black |
Display
The device sports a 5.7-inch IPS LCD touchscreen with a resolution of 720 x 1440 pixels, resulting in a pixel density of approximately 282 ppi. The display offers vibrant colours and sharp visuals, enhancing the overall viewing experience.
| Specifications | Details |
| Screen size (inch) | 5.7 |
| Touchscreen | Yes |
| Protection type | Not specified |
Hardware
Under the hood, the ASUS Pegasus 4S is equipped with a MediaTek MT6750T Octa-core processor clocked at 1.5GHz. It comes with 4GB of RAM and offers internal storage options of 32GB and 64GB. The storage can be expanded up to 256GB via a microSD card, providing ample space for apps, media, and documents.
| Specifications | Details |
| Processor | 1.5GHz Octa-core |
| Processor make | MediaTek MT6750T |
| RAM | 4GB |
| Internal storage | 32GB/64GB |
| Expandable storage | Yes |
| Expandable storage type | microSD |
| Expandable storage up to (GB) | 256 |
| Dedicated microSD slot | Yes |
Camera
The smartphone features a dual rear camera setup comprising a 16MP primary sensor and an 8MP secondary sensor. The rear cameras are equipped with autofocus and LED flash, enabling quality photography in various lighting conditions. For selfies, the device offers an 8MP front camera.
| Specifications | Details |
| Rear camera | 16MP + 8MP |
| Rear autofocus | Yes |
| Rear flash | Yes |
| Front camera | 8MP |
Software
The ASUS Pegasus 4S runs on Android 7.0 Nougat, offering a stable and smooth user experience with ASUS’s ZenUI 4.1 skin. The custom UI adds additional features and optimisations for better usability while maintaining an intuitive interface. Though not the latest Android version, it still ensures compatibility with most applications and offers decent performance.
| Specifications | Details |
| Operating system | Android 7.0 Nougat |
| Skin | ZenUI 4.1 |
Connectivity
The ASUS Pegasus 4S comes with a range of connectivity options, ensuring seamless communication and networking. It supports dual SIM functionality with 4G VoLTE, allowing high-speed internet access. The phone also offers Wi-Fi connectivity, Bluetooth for wireless pairing, GPS for navigation, and a 3.5mm headphone jack. However, it does not support NFC or USB Type-C.
| Specifications | Details |
| Wi-Fi | Yes |
| Wi-Fi standards supported | 802.11 b/g/n |
| GPS | Yes |
| Bluetooth | Yes, version 4.0 |
| NFC | No |
| USB Type-C | No |
| Headphones | 3.5mm |
| Number of SIMs | 2 |
SIM 1The first SIM slot of the ASUS Pegasus 4S supports Nano-SIM and operates on GSM networks. It is compatible with 3G and 4G LTE connectivity, ensuring fast mobile data access. It also supports Band 40, which is used by certain LTE networks in India, ensuring enhanced network coverage for Indian users.
| Specifications | Details |
| SIM type | Nano-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/LTE | Yes |
| Supports 4G in India (Band 40) | Yes |
SIM 2The second SIM slot on the ASUS Pegasus 4S also supports Nano-SIM and offers the same network compatibility as SIM 1. Users can simultaneously run two networks without affecting performance, making it ideal for those who need a separate work and personal number.
| Specifications | Details |
| SIM type | Nano-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/LTE | Yes |
| Supports 4G in India (Band 40) | Yes |
Sensors
The ASUS Pegasus 4S is equipped with essential sensors that enhance the user experience. It features a fingerprint sensor for secure and quick unlocking, as well as a gyroscope for motion-based applications. Other sensors include an accelerometer, ambient light sensor, proximity sensor, and compass, all of which contribute to smooth device functionality.
| Specifications | Details |
| Face unlock | No |
| Fingerprint sensor | Yes |
| In-display fingerprint sensor | No |
| Compass/Magnetometer | Yes |
| Proximity sensor | Yes |
| Accelerometer | Yes |
| Ambient light sensor | Yes |
| Gyroscope | Yes |
ASUS Pegasus 4S - Price list in India (2025)
The ASUS Pegasus 4S is available in two configurations: 4GB RAM with 32GB storage and 4GB RAM with 64GB storage. Both variants come in Gold and Star Black colour options. At launch, the 32GB model was priced at Rs. 19,990 in India. The combination of ample RAM and storage ensures smooth performance and sufficient space for apps and media.
| Product name | Price in Rs. |
| ASUS Pegasus 4S 4GB RAM, 32GB Storage, Gold | Rs. 19,990 |
| ASUS Pegasus 4S 4GB RAM, 32GB Storage, Star Black | Rs. 19,990 |
| ASUS Pegasus 4S 4GB RAM, 64GB Storage, Gold | Rs. 21,990 |
| ASUS Pegasus 4S 4GB RAM, 64GB Storage, Star Black | Rs. 21,990 |
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