Redmi 15 5G Review: Big screen, huge battery, budget price

Updated : Sep 02, 2025 19:08
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Editorji News Desk
Key Specifications
Price : ₹14,999
6.9" FHD+ 144Hz display Snapdragon 6s Gen 3 chip Upto 8GB RAM+256GB storage 7,000mAh battery + 33W charging
50MP dual rear camera  8MP selfie camera HyperOS,  Android 15 IP64 rating & IR blaster
Our Review
8 / 10
Design8/10
Performance7.5/10
Display8/10
Software7.5/10
Battery8.5/10
Camera7/10
Charging7/10
Pros
  • Huge 7,000mAh battery
  • Smooth 144Hz display
  • Solid, premium-looking design
  • Snapdragon 6s Gen 3 runs everyday tasks well
Cons
  • Average cameras, especially in low light
  • Slower 33W charging than rivals

The budget smartphone space in 2025 is packed with choices, and Redmi’s latest entry is aiming straight for the sweet spot.

The Redmi 15 5G comes in three variants — 6GB/128GB at ₹14,999, 8GB/128GB at ₹15,999, and 8GB/256GB at ₹16,999 — making it one of the more aggressive value plays in the sub-₹17,000 segment.

On paper, the phone ticks a lot of boxes: a massive 6.9-inch 144Hz display, Qualcomm’s Snapdragon 6s Gen 3 chipset, a software promise of two major Android updates, and most importantly, a 7,000mAh battery that promises multi-day endurance.

But spec sheets rarely tell the full story. So, how does the Redmi 15 actually hold up in daily use? Let’s break it down.

Redmi 15 5G Design: Clean, Solid, and Surprisingly Classy

The Redmi 15 5G keeps things simple but manages to look more premium than its price suggests. The Frosted White variant, with its marble-like finish, does a great job resisting smudges and fingerprints — something glossy budget phones usually struggle with. 

The dual-camera setup sits neatly in a metallic module alongside an LED flash, giving the rear a balanced, tidy look.

Yes, both the back and sides are plastic, but the finish feels sturdy and well put together. It doesn’t creak, it doesn’t feel cheap, and it’s clear Redmi has put effort into making this budget phone look and feel refined. Buyers will also get two other color options: Sandy Purple and Midnight Black.

Flip to the front, and you’ll find a central punch-hole display tucked at the top. The bezels aren’t the slimmest, and they do remind you this is a budget device, but the sheer size of the screen makes them easy to overlook.

Redmi 15 5G Display: Smooth, But Outshined Outdoors

The Redmi 15 packs a 6.9-inch Full HD+ LCD with a 144Hz refresh rate — at least, that’s the spec sheet. The UI mostly runs at 120Hz in practice, but the fluidity is noticeable.

Scrolling feels slick, gestures respond instantly, and games that support higher refresh rates get a real performance bump compared to rivals in this price tier.

The colors are punchy, the text is sharp, and casual streaming on YouTube or Netflix is enjoyable enough. But step outside, and the cracks appear.

With a peak brightness of just 850 nits, the panel struggles in harsh sunlight — you’ll catch yourself tilting the phone or shielding the display just to see what’s going on.

 It’s a common compromise with budget LCDs, but still annoying in 2025 when AMOLEDs with better brightness are trickling down into the same price bracket.

Redmi 15 5G Cameras: Passable, Nothing More

On the back, Redmi gives you a 50MP primary shooter plus a depth sensor. Up front, there’s an 8MP selfie camera. If you’re expecting anything beyond “good enough,” prepare to temper expectations.

Daytime shots have decent detail and reasonably accurate colors, but low light reveals the phone’s limitations. Shadows eat up detail, night mode only partially rescues shots, and the results lean more toward “usable” than “Instagram-worthy.”

Selfies are fine for video calls or quick snaps, but skin tones can be hit or miss. Video recording maxes out at 1080p 30fps with minimal stabilization —serviceable, not impressive.

Simply put, this isn’t the phone you buy for photography. It’ll handle casual shooting, but if cameras matter to you, there are better options under ₹15,000.

Redmi 15 5G Performance: Everyday Reliable

Under the hood, the Redmi 15 5G runs on Qualcomm’s Snapdragon 6s Gen 3 paired with LPDDR4X RAM and UFS 2.2 storage. MicroSD expansion up to 2TB is also available.

In day-to-day use — browsing, social media, messaging — the phone holds up well. Apps open quickly, multitasking doesn’t choke, and everything feels snappy. Gaming, however, exposes the limits of this chipset. 

Casual games run fine, but demanding titles like BGMI or Call of Duty Mobile show frame drops. The upside is that Redmi has nailed thermal management.

The phone stays surprisingly cool even during longer gaming sessions, so while you may see dips in performance, you won’t be dealing with a handset that gets uncomfortably hot in your hands.

For the average buyer, this level of performance is perfectly acceptable. Just don’t expect high-end gaming chops.

Redmi 15 5G Software: HyperOS With Some Strings Attached

The Redmi 15 5G runs Xiaomi’s new HyperOS, built on top of Android 15. Redmi is committing to two major Android updates, which means the phone should be supported up to Android 17 along with four years of security patches. For a budget device, that’s actually a solid promise.

HyperOS itself is slick and packed with features. You get deep customization options and Google Gemini is also baked into the interface, giving you quick access to AI-powered assistance without needing to download anything extra.

The catch? Bloatware. Out of the box, the Redmi 15 5G ships with a cluster of pre-installed apps you probably won’t use, plus the occasional ad and push notification that cheapens the otherwise smooth experience. 

Most of this clutter can be disabled with some effort, but it does chip away at the polished feel Redmi is clearly going for.

Redmi 15 5G Battery: The Clear Highlight

If there’s one reason the Redmi 15 5G stands out, it’s battery life. A massive 7,000mAh silicon-carbon cell powers the phone, and it delivers serious endurance.

Even with heavy use, you’ll end most days with plenty of charge left. Light users can stretch it to two days easily. Battery anxiety simply doesn’t exist here.

Charging, however, is stuck at 33W. A full top-up takes around 90 minutes—fine, but slower than what Vivo, Realme, and Oppo are pushing at this price. One neat trick is 18W reverse charging, so the Redmi 15 5G can double up as a power bank in a pinch.

Redmi 15 5G Extras: The Practical Touches

The Redmi 15 5G doesn’t reinvent the wheel, but it does offer a few thoughtful features:

  • Side-mounted fingerprint scanner that’s quick and reliable.
  • IR blaster to control TVs and ACs—a very Xiaomi touch.
  • IP64 rating for dust and splash protection.
  • Single speaker that’s loud but lacks clarity at higher volumes.

Redmi 15 5G Verdict: Dependable, But Playing It Safe

After a week of testing, the Redmi 15 5G comes across as a safe, dependable budget phone. It nails the essentials: a big smooth display, reliable performance for everyday tasks, and an absolute tank of a battery.

But it also makes predictable compromises: average cameras, slower charging than competitors, and a display that falters outdoors. None of these are deal breakers, but they keep the phone from standing out in a fiercely competitive segment.

If your priorities are long-lasting battery life and a no-nonsense experience, the Redmi 15 delivers. It doesn’t try to be flashy — it just works. And sometimes, that’s exactly what you want in a budget phone.

Redmi

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