Infinix Smart 3 — Full Review, Camera, Battery & Performance

Infinix Smart 3

Introduction of Infinix Smart 3

The Infinix Smart 3 is a traditional ultra-low-cost smartphone aimed at individuals who require the essentials at the cheapest rate. It is aimed at users who primarily require a phone to make calls, use WhatsApp, light social media, and light internet usage – not intense gaming or applications. The Infinix Smart 3, being driven by the MediaTek Helio A22 alongside a relatively small storage and RAM capacity, aims at low price leadership instead of being the leader in performance.

Quick spec sheet

CategoryTypical spec
SoCMediaTek Helio A22 (MT6761)
OSAndroid 9.0 Pie with XOS skin
Display~5.5–6.2″ HD+ (720×1440 / 720×1520 depending on SKU)
RAM / Storage1GB or 2GB RAM, 16GB storage, microSD slot
Rear camera13 MP single (typical)
Front camera8 MP (typical)
Battery~3050–3500 mAh (variant dependent)
ChargingMicro-USB (most SKUs)
BiometricsRear fingerprint (most SKUs)
ConnectivityWi‑Fi 2.4GHz, Bluetooth, Dual SIM (model dependent)

Design and build

The chassis of the Infinix Smart 3 is made of relatively cheap materials: in most of the color options, it is the plastic housing with a glossy or semi-glossy back. It is lightweight and small, with one-handed comfort. The bezel dimensions are vintage, though not bordering on minimal; you will find larger bezels on the phones than you would today on non-premium models.

Strengths

  • Lightweight and pocket-friendly.
  • Rear fingerprint sensor included on many SKUs — a surprise feature at this price.

Weaknesses

  • Plastic feels inexpensive compared to metal/glass alternatives.
  • The micro-USB charging port is dated and slower than USB‑C.
  • No official ingress protection (IP rating).

Design assets to include on your page

  • Hero front and back images (1200×800) — show color finishes.
  • Unboxed photo (box contents list).
  • Size-in-hand shots for scale.
  • Close-ups of the SIM tray, ports, and fingerprint sensor.

Display

The Smart 3 sports a 720p-class IPS LCD panel. This resolution on a ~5.5–6.2″ panel yields decent pixel density for everyday tasks like reading, messaging, and casual video. Colors are serviceable, contrast is average, and the panel handles UI rendering well enough for the target audience.

Good for

  • Text, messaging apps, and casual YouTube at SD resolutions.

Not good for

  • HDR content, fine detailed photography, and harsh sunlight readability.

Performance

The phone has a MediaTek Helio A22 (a low-power four-core processor) under the hood, which is made specifically to suit low-end handsets. Combined with 1GB or 2GB RAM, one should not expect a lot.

Everyday tasks

  • Good: voice calls, messaging, basic web browsing, SD video streaming, light social apps.
  • Bad: multitasking, loads of work backgrounds, 3d games of the time.

Tips to improve perceived performance

  • I prefer the 2GB RAM variant for improved app switching and reduced background reloads.
  • Use Lite/Go versions of memory-heavy apps (Facebook Lite, Messenger Lite, Twitter Lite).
  • Disable auto-start for unused apps and restrict background data to reduce RAM churn.

Cameras

The photographic setup is basic: a single 13MP rear camera backed by simple image processing and an 8MP front shooter for selfies and video calls.

Daylight

  • Usable results for social sharing; colors tend to be slightly muted but natural.
  • Detail levels are modest; crops will show softness and lack of fine micro-contrast.

Low light

  • Expect noise, blurring, and washed shadows. The phone lacks sophisticated multi-frame noise reduction and computational night modes, so low-light captures are subpar.

Selfies

  • Reasonable for video calls and casual social snaps. Don’t expect high-fidelity portrait detail.

Battery life

Battery capacities vary between SKUs; reported figures typically fall between approximately 3050mAh and 3500mAh. That variance materially affects the runtime you can expect.

Real-world

  • Light users (calls, chat, Intermittent browsing): the phone often lasts a full day.
  • Moderate users (social apps, streaming, camera): expect to top up by evening.

Test methodology

  • Video loop test: 720p video on repeat, airplane mode, 50% brightness — yields a reproducible baseline runtime.
  • Mixed-use day: SIM active, push email, social apps, occasional camera use — report Screen-On-Time (SOT) and the start/end battery percentage.

Battery assets to include

  • Photo of test setup.
  • Battery graph PNG/SVG (time vs %).
  • Exact tested SKU, firmware, and capacity noted beside the graph.

Software & updates

The device ships with Android 9.0 Pie layered with Infinix’s XOS skin. As an ultra-budget handset, official major OS upgrades are unlikely. Security patch frequency may be sporadic.

What to show on the page

  • Exact firmware/OTA version used during testing.
  • Android security patch level at the time of test.
  • Infinix update policy note — link to official support if available.

Simple tips to reduce bloat

  • Disable or uninstall heavy system apps you don’t use.
  • Turn off unnecessary animations in Developer Options to slightly increase responsiveness.

Storage

Base storage is commonly 16GB; once the OS and preinstalled apps occupy space, usable storage is limited. Thankfully, the phone supports microSD expansion for media.

Important

  • Show usable free space after first boot and after installing a handful of common apps (WhatsApp, Gmail, Facebook Lite), so readers know what to expect.
  • Explain how to move photos and media to the SD card to reclaim internal storage.

Connectivity & sensors

Standard budget connectivity applies: Wi‑Fi (2.4GHz), Bluetooth, micro‑USB, FM radio on some SKUs, and GPS with basic accuracy. Sensors include proximity, ambient light, accelerometer, and a rear fingerprint scanner in many variants.

Price & availability

Snapshot (Dec 15, 2025): Price aggregators list PKR 11,999–12,399. Many Retailers Indicate the model is discontinued or low in stock.

CountryPriceRetailerDate checked
PakistanPKR 11,999–12,399Price aggregators (Daraz, PriceOye snapshots)Dec 15, 2025

Comparisons

ModelSoCRAMBatteryStandout
Infinix Smart 3Helio A221/2GB~3050–3500 mAhLowest price, compact
Infinix Smart 3 PlusSlightly better chipset2GB+Larger batteryBetter camera & run-time
Modern 2GB budgetNewer SoC2GB3500mAh+USB-C, newer Android

Full specs table

FieldValue
Full marketing nameInfinix Smart 3
Canonical slug/infinix-smart-3-review
Focus keyphraseInfinix Smart 3
SoCMediaTek Helio A22 (MT6761)
Display~5.5–6.2″ HD+ (720p-class)
RAM1GB / 2GB
Storage16GB + microSD
Rear camera13 MP
Front camera8 MP
Battery~3050–3500 mAh (varies)
Chargingmicro-USB
OSAndroid 9.0 (XOS)
BiometricsRear fingerprint
Release/launch dateInsert exact day, month, year here
Tested SKUInsert tested SKU & region
Price (PKR)PKR 11,999–12,399 (Dec 15, 2025)
Last updatedDec 15, 2025
Infinix Smart 3
Discover Infinix Smart 3 Specs: Affordable Power for Calls, Social Media & More – Latest Pakistan Prices!

Pros & Cons

Pros

  • Extremely low price for basic smartphone tasks.
  • Comfortable, lightweight ergonomics.
  • A rear fingerprint sensor is available on many SKUs.

Cons

  • Very limited RAM and storage on base SKU.
  • Dated Android 9 Pie and unlikely major OS updates.
  • Mixed battery specs across variants and micro‑USB charging.
  • The camera struggles in low light.

FAQs

Q1: What is the battery capacity of the Infinix Smart 3?

A: It varies by SKU — commonly around 3050–3500 mAh. Check the SKU before buying.

Q2: Does the Infinix Smart 3 have a fingerprint sensor?

A: Yes, most SKUs include a rear fingerprint sensor.

Q3: How much RAM and storage does it have?

A: Commonly 1GB or 2GB RAM and 16GB storage. MicroSD expansion is available.

Q4: Which SoC does it use?

A: MediaTek Helio A22 (MT6761).

Q5: Is the camera good?

A: Daytime photos are fine for social sharing. Low-light performance is weak.

Final verdict

Infinix Smart 3 is a phone of extremely low pricing that is capable of basic functions, calls, messaging, shallow browsing, and social media. When you can afford one at about PKR 12,000 or even less, and you do not require a high-tech device, it will be a good alternative. However, to achieve smoother performance, prolonged software lifespan, improved photo quality, or USB-Convenience, you have to pay slightly more for a modern 2GB+ budget phone.

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