Infinix Smart 9 HD

When I first unboxed the Infinix Smart 9 HD, I wasn’t expecting much. After all, it’s a budget phone under 10,000 taka — and budget phones usually compromise heavily on at least one big area.

But within a few hours of using it — watching YouTube, snapping random photos, switching between apps — I felt something:

This phone tries to give you more than what you pay for.

And that’s exactly why this review matters.
If you’re a student, a first-time smartphone user, or someone looking for a secondary device with long battery life, then the Smart 9 HD might be the right pick.

If you’re planning to buy a new phone in 2025, this detailed review will help you make a smart decision.

Infinix Smart 9 HD Specifications

Specification	Details	Quick Verdict
Display	6.7” HD+ IPS panel, 90Hz smooth	Big ; bright enough
Processor	MediaTek Helio G81	Good for regular use
RAM + Storage	3GB + 64GB (expandable up to 2TB)	Enough for light users
Rear Camera	13MP	Decent for daytime
Front Camera	8MP	Good for social media selfies
Battery	5000mAh, 10W charge	Easily lasts 1–1.5 days
OS	Android 14	Clean and modern
Price in BD	৳9,499 (Official)	Strong value
Release Date	18 Dec 2024	Latest budget model

Design & Display Review – Infinix Smart 9 HD

When I first held the Smart 9 HD, the design instantly reminded me of phones double the price. The colors like Mint Green and Coral Gold feel refreshing and youthful — great for students and teens.

Things I personally liked:

Lightweight at 188g — easy to use one-handed
Slim body (8.35mm) despite having a 5000mAh battery
Side-mounted fingerprint feels natural and fast
The punch-hole display gives a premium look rarely seen under 10K

Display Experience (6.7” IPS LCD, 90Hz)

In real-world use, the screen surprised me:

Text looks crisp despite being HD+
90Hz refresh rate makes scrolling smoother
Good colors for Netflix/Youtube
Brightness (500 nits) is sufficient outdoors
Gorilla Glass adds a layer of confidence

Quick Tip

Turn on Adaptive Refresh Rate to save battery without losing smoothness.

Performance & Software – Good for Everyday Users

The MediaTek Helio G81 isn’t a gaming beast, but for day-to-day tasks?
Absolutely dependable.

I used it for:
✔ Facebook
✔ YouTube
✔ WhatsApp
✔ Light gaming
✔ Browsing

…and the phone handled everything smoothly.

Multitasking

With 3GB RAM, it's not made for heavy multitasking, but the memory optimization in Android 14 is impressive.

Apps like TikTok, Messenger Lite, and Chrome run fine — just don’t keep too many apps open at once.

Gaming Test

I tried a few games:

Free Fire → Smooth on Medium settings
PUBG Mobile Lite → Playable
Asphalt 9 → Occasional stutters
Candy Crush, Temple Run → Very smooth

For a phone under 10K, the gaming performance is fair.

Heating

Even after 30 minutes of gaming or 1 hour of Youtube, the phone stays cool.

Camera Review – Good at Day, Just OK at Night

Rear Camera: 13MP

In daylight, the camera performs surprisingly well:

Good colors
Decent sharpness
Accurate skin tone
Fast focus

HDR helps preserve sky details.
Portrait mode is also better than many other phones in this price range.

Low Light

Night photography is average.
You’ll get:

softer images
visible noise
slower shutter

But honestly, at this price, it’s acceptable.

Selfie Camera: 8MP

The 8MP selfie camera is good enough for:

TikTok
Instagram
Video calls

It smoothens skin a bit but maintains natural colors.

Real-World Opinion

“If you love photography, the Smart 9 HD will not disappoint in daytime — but night lovers should manage expectations.”

Battery Life & Charging – Infinix Smart 9 HD

The 5000mAh battery delivers impressive results.
During my testing:

7–8 hours screen-on-time
1.5 days with moderate use
1 full day with heavy use

The phone sips battery slowly, thanks to:

HD+ resolution
Power-efficient chipset
Optimized Android 14

Charging

The only downside: 10W charging.
It takes around 2 hours 20 minutes for a full charge.

Battery Saving Tips

Turn on Battery Saver
Keep display at 60Hz indoors
Disable unused background apps

Connectivity & Other Features

Even though it's a budget model, it offers:
✔ Dual SIM
✔ 4G VoLTE
✔ WiFi 5
✔ Bluetooth 5.0
✔ GPS with A-GPS
✔ USB Type-C
✔ OTG Support
✔ FM Radio
✔ IP54 Dust & Splash Resistance

The side fingerprint sensor and face unlock work fast and reliably.

Pros and Cons

Pros (✔)	Cons (✘)
Premium-looking design	Slow 10W charging
90Hz smooth display	Not for heavy gamers
Excellent battery life	Low-light camera needs improvement
Clean Android 14	3GB RAM limits multitasking
Lightweight and comfortable	HD+ only
Good value pricing	No ultrawide camera

Price & Availability in Bangladesh

Official Price:

Infinix Smart 9 HD (3GB + 64GB) → ৳9,499

Availability:

You can buy it from:

Infinix official stores
Authorized shops
Daraz
Pickaboo
Gadget & Mobile retailers nationwide

My Honest Opinion After Using It

After using the Infinix Smart 9 HD for several days, here’s what I genuinely feel:

It’s probably the most balanced budget phone under ৳10,000 right now.
The smooth display, battery backup, decent cameras, and modern design make it feel like a phone that respects your money.

If you’re switching from an older feature phone or a 5-year-old Android, the difference will feel huge.

If you’re a student or casual user — this phone won’t disappoint.

Final Verdict – Should You Buy It?

✔ Buy It If:

You want a budget phone under 10K
You need long battery life
You’re a student or first-time smartphone user
You want a modern design + big display

❌ Skip It If:

You want heavy gaming
You need fast charging
You want high-end camera performance

Final Words

For everyday use — calls, social media, online classes, YouTube — the Infinix Smart 9 HD is absolutely worth buying in 2025.

❓ FAQ – Infinix Smart 9 HD Review 2025

1. Is Infinix Smart 9 HD waterproof?

It is not fully waterproof, but has IP54 dust & splash resistance.

2. Does it support 5G?

No, the phone supports up to 4G only.

3. What is the charging speed?

It supports 10W wired charging via USB-C.

4. Is it good for gaming?

Good for light to moderate gaming, but not ideal for heavy games like Genshin.

5. How is the camera quality?

Daylight performance is good; low-light is average.

6. Is the battery good?

Yes — 5000mAh easily lasts a full day or more.

7. How much RAM/Storage?

Comes with 3GB RAM + 64GB storage, expandable up to 2TB.

8. Is it worth buying in 2025?

Yes — it's one of the best phones under ৳10,000.

9. Does it have a fingerprint sensor?

Yes, side-mounted.

10. Does it support OTG?

Yes, OTG is supported.

Official Links & Contact

🌐 Official Website: https://bd.infinixmobility.com
🛒 Buy Now: Daraz, Pickaboo, Official Infinix Stores
🛠 Warranty Support: Infinix Service Centers BD
📞 Customer Care: 09610-667766 (Infinix BD)

Conclusion

Every phone has its pros and cons — but if you value smooth performance, long battery life, and a modern look, the Infinix Smart 9 HD deserves a spot on your shortlist.

Bookmark this review or share it with a friend who’s planning to buy a budget phone in 2025 — it might help them make the right choice!

Infinix Smart 9 HD Review 2025 – Full User Experience