Oppo K12s 5G Review: A Flagship Experience Under ₹20,000 with Snapdragon 6 Gen 4 and 7000mAh Battery

Stylish Design, Long Battery Life, and Blazing Fast Charging Make Oppo’s Latest Mid-Range a Standout Choice

BEIJING — The newly launched Oppo K12s 5G has entered the market as a budget-friendly flagship, bringing premium features like a massive 7,000mAh battery, Snapdragon 6 Gen 4 processor, and 80W fast charging—all under a price tag of ₹20,000. With its blend of power, design, and performance, Oppo is clearly targeting young users and heavy mobile users who want more for less.

Performance Backed by Snapdragon 6 Gen 4

At the core of the Oppo K12s is Qualcomm’s Snapdragon 6 Gen 4 chipset, offering a balance of efficiency and performance. Paired with up to 12GB LPDDR4X RAM and UFS 3.1 storage up to 512GB, the device handles multitasking, gaming, and app usage with ease.

The VC cooling system (5,700mm²) ensures the phone remains cool even during extended gaming or video streaming sessions, enhancing overall device stability.

Industry-Leading 7,000mAh Battery with 80W Fast Charging

Oppo has packed a massive 7,000mAh battery into the K12s, which can charge up to 62% in just 30 minutes thanks to 80W SuperVOOC fast charging.

Battery stats:

• Video calling: Up to 14.9 hours

• Regular calling: Up to 49.4 hours

• Retains 80% capacity after 5 years of usage

This is a major win for power users, travelers, and students who need all-day reliability without tethering to a charger.

Display and Software Experience

• 6.67-inch Full HD+ AMOLED display

• 120Hz refresh rate, 1,200 nits peak brightness

• ColorOS 15, based on Android 15

The display delivers vivid colors, smooth scrolling, and great visibility in bright environments. ColorOS 15 adds several customizations and privacy controls, creating a modern and intuitive user experience.

Camera Setup: Balanced for the Segment

• Rear Cameras:

  • 50MP Main sensor (f/1.8, autofocus)

  • 2MP Monochrome sensor

• Front Camera:

  • 16MP (f/2.5) for selfies and video calls

While the dual rear setup may seem modest, the primary sensor delivers solid daytime performance with decent detail and color accuracy. The front camera is well-optimized for social media use and video calls.

Connectivity and Design Highlights

• 5G, Wi-Fi 6, Bluetooth 5.2, NFC, GPS, USB-C

• In-display fingerprint sensor, face unlock

• Stereo speakers and IR blaster

• IP65 water and dust resistance

The flat design with curved edges gives it a sleek and stylish profile. Available in Rose Purple, Prism Black, and Star White, it looks premium in hand and comes with solid build quality for the price.

Pricing and Availability

• 8GB + 128GB ~₹14,000

• 8GB + 256GB ~₹16,000

• 12GB + 256GB ~₹18,000

• 12GB + 512GB ~₹20,000

• Available in China from April 25, expected to launch in India later this year

Verdict: Should You Buy the Oppo K12s 5G?

If you’re looking for a budget 5G smartphone under ₹20,000 with:

Top-tier battery life
Fast performance
Smooth AMOLED display
Solid design and build quality

…the Oppo K12s 5G is one of the most value-packed devices you can get in 2025. It’s especially ideal for students, casual gamers, and entertainment lovers.