Intex Aqua S1 Full Specifications, Price and Review
⚠ No Sensors — Important Before Buying
The Intex Aqua S1 has no listed sensors of any kind — no proximity sensor, no accelerometer, no ambient light sensor and no gyroscope. This means no auto-brightness, no screen rotation, and the screen will not switch off automatically during phone calls. Read the sensors section below for the full practical impact before purchasing.
⚠ SIM 2 Type Not Listed
SIM 1 is confirmed as Micro-SIM. SIM 2 has no SIM type listed in the original specification sheet. Verify SIM 2 slot size with the retailer before purchasing, particularly if you use a Nano-SIM card.
The Intex Aqua S1 is a dual SIM 4G budget smartphone from Intex Technologies, launched in September 2017. It is built around the essentials — confirmed 4G LTE Band 40 on both SIM slots with full 3G fallback, equal 5MP cameras on front and rear, 128GB expandable storage, FM Radio, GPS and Android 7.0 Nougat. It runs on a MediaTek MT6737V 1.25GHz quad-core processor with 1GB RAM on a 5-inch FWVGA display. Available in Black and Champagne Gold, it is a straightforward dual SIM 4G device targeting buyers who need reliable network connectivity above all else. The critical trade-off is a complete absence of sensors — no accelerometer, no proximity sensor, no auto-brightness, no screen rotation. This guide covers the complete Intex Aqua S1 specifications, sensor limitations in plain language, and everything you need to know.
No Sensors — Full Practical Impact
The Intex Aqua S1 joins the Aqua Strong 5.1 Plus as one of only two phones in the Intex 2017 lineup with a complete absence of sensors. Here is what this means for every day use:
| Missing Sensor | Practical Impact |
|---|---|
| Proximity sensor | Screen stays on during calls — risk of accidental button presses with your cheek or ear |
| Accelerometer | No screen rotation — display stays in portrait mode permanently regardless of how you hold the phone |
| Ambient light sensor | No auto-brightness — screen brightness must be set manually at all times |
| Gyroscope | No VR support, no motion-based games or apps, no 360-degree video |
| Compass / Magnetometer | No compass direction — Google Maps navigation will not show which direction you are facing when stationary |
For buyers who use the phone primarily for calls, messaging, WhatsApp and basic 4G browsing — and who manually control brightness — the absence of sensors is a manageable trade-off. For anyone who relies on screen auto-rotation for video watching or uses fitness tracking apps, it is a dealbreaker.
What the Intex Aqua S1 Does Well
Despite the sensor limitation, the Aqua S1 delivers a clean and complete connectivity package that outperforms several other Intex 2017 phones:
- Dual SIM 4G Band 40 on both slots — unlike the Aqua 4G Mini (asymmetric) or Aqua Strong 5.1 Plus (no 3G), the S1 has full 4G + 3G on both SIM slots
- 128GB microSD support — dramatically extends the 8GB internal storage
- FM Radio — absent on several competing Intex models
- GPS — navigation apps work correctly
- Bluetooth 4.0 — current standard at time of launch
- Equal 5MP cameras — consistent quality front and back
- MediaTek MT6737V — a well-documented chipset with good driver support
Intex Aqua S1 — Key Highlights
- Dual SIM 4G LTE Band 40 with 3G fallback on both slots
- 5MP rear camera with LED flash and 5MP front camera
- 128GB microSD expandable storage — 16x the built-in 8GB
- FM Radio and GPS — both present
- MediaTek MT6737V 1.25GHz quad-core processor
- 5-inch FWVGA display at 480×854 pixels, 196 PPI
- Android 7.0 Nougat
- Bluetooth 4.0, Wi-Fi 802.11 b/g/n and 3.5mm headphone jack
- Available in Black and Champagne Gold
- 157.7 grams at 145.40 × 73.10 × 10.10mm
- ⚠ No sensors — no auto-brightness, no screen rotation, screen stays on during calls
- ⚠ SIM 2 type unconfirmed — verify with retailer
Intex Aqua S1 — Black and Champagne Gold, dual SIM 4G Band 40
Intex Aqua S1 Full Specifications
| Specification | Details |
|---|---|
| General | |
| Release Date | September 2017 |
| Form Factor | Touchscreen |
| Dimensions | 145.40 × 73.10 × 10.10 mm |
| Weight | 157.7 grams |
| Battery Capacity | 2300 mAh |
| Removable Battery | No |
| Colours | Black, Champagne Gold |
| Display | |
| Screen Size | 5 inches |
| Touchscreen | Yes |
| Resolution | 480 × 854 pixels (FWVGA) |
| Pixel Density | 196 PPI |
| Hardware | |
| Processor | 1.25GHz Quad-core |
| Processor Make | MediaTek MT6737V |
| RAM | 1 GB |
| Internal Storage | 8 GB |
| Expandable Storage | Yes, microSD up to 128 GB |
| Camera | |
| Rear Camera | 5 MP with LED Flash |
| Front Camera | 5 MP |
| Software | |
| Operating System | Android 7.0 Nougat |
| Connectivity | |
| Wi-Fi | Yes — 802.11 b/g/n |
| GPS | Yes |
| Bluetooth | Yes — v4.0 |
| NFC | No |
| Infrared | No |
| USB OTG | No |
| Headphone Jack | 3.5mm |
| FM Radio | Yes |
| Number of SIMs | 2 (Dual SIM) |
| SIM 1 Type | Micro-SIM |
| SIM 1 Network | 2G GSM + 3G + 4G LTE Band 40 |
| SIM 2 Type | Not listed in spec sheet — verify with retailer |
| SIM 2 Network | 2G GSM + 3G + 4G LTE Band 40 |
| Sensors — None Listed | |
| Proximity Sensor | No — screen stays on during calls |
| Accelerometer | No — no screen rotation |
| Ambient Light Sensor | No — no auto-brightness |
| Gyroscope | No — no VR or motion apps |
| Compass / Magnetometer | No — Maps won't show facing direction |
| Barometer | No |
| Temperature Sensor | No |
Intex Aqua S1 vs Aqua Strong 5.1 Plus — Both Have No Sensors
The Aqua S1 and the Aqua Strong 5.1 Plus are the only two phones in the Intex 2017 budget lineup that list zero sensors. Here is how they compare across other specs:
| Feature | Aqua S1 | Aqua Strong 5.1+ |
|---|---|---|
| Sensors | None | None |
| SIM slots | Dual SIM | Dual SIM |
| 3G support | Yes — both slots | No |
| 4G Band 40 | Yes — both slots | Yes — both slots |
| Storage | 128GB max | 64GB max |
| FM Radio | Yes | No |
| Battery | 2300 mAh | 2000 mAh |
| Thickness | 10.10 mm | 10.10 mm |
Summary: If choosing between the two no-sensor Intex phones, the Aqua S1 is the stronger choice — it adds 3G fallback, FM Radio and 128GB storage support that the Strong 5.1 Plus lacks.
Intex Aqua S1 Battery and Design
The 2300mAh non-removable battery is modest for a 5-inch phone but the absence of sensors means no background sensor polling, and the low-resolution display and entry-level processor keep power draw low. Expect around 8–10 hours of moderate usage. The body measures 145.40 × 73.10 × 10.10mm at 157.7 grams — similar dimensions to the Aqua Strong 5.1 Plus and comfortable for one-handed use. The Champagne Gold colour option is the more visually distinctive of the two — matching the premium-look trend common across the Intex 2017 lineup.
Is the Intex Aqua S1 Worth Buying in 2025?
The Intex Aqua S1 offered a specific value proposition in 2017 — confirmed dual SIM 4G Band 40 with 3G fallback, FM Radio and generous 128GB storage support at entry-level pricing. The no-sensor trade-off was significant but acceptable for basic call and data users. In 2025, Android 7.0 Nougat is fully unsupported and 1GB RAM cannot run modern apps reliably. The phone is not recommended for new purchase. For a modern equivalent with sensors, confirmed 4G and current Android, consider the Lava Yuva 3, Nokia C12 or Samsung Galaxy A05e — all offering proximity and accelerometer sensors with 4G Band 40 at comparable prices.
Frequently Asked Questions
Does the Intex Aqua S1 support 4G in India?
Yes. The Intex Aqua S1 supports 4G LTE Band 40 and 3G on both SIM slots. Band 40 is the primary 4G band used by Airtel, Jio and Vodafone-Idea across India — both slots are fully compatible.
Does the Intex Aqua S1 have any sensors?
No. The Aqua S1 has no listed sensors — no proximity sensor, no accelerometer, no ambient light sensor, no gyroscope and no compass. This means no auto-brightness, no screen rotation, no fitness tracking, and the screen will not turn off during calls.
What is the expandable storage limit of the Intex Aqua S1?
The Aqua S1 supports microSD cards up to 128GB, making it practical for media storage despite its 8GB internal memory.
What processor does the Intex Aqua S1 use?
It uses a MediaTek MT6737V 1.25GHz quad-core processor with 1GB RAM and 8GB internal storage expandable to 128GB.
What colours is the Intex Aqua S1 available in?
The Intex Aqua S1 is available in Black and Champagne Gold.
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