A big battery doesn’t always mean an expensive phone! The OPPO K15x proves that with its massive 6,500mAh battery and 6.75 inches display. But that’s not all! It also brings 45W fast charging, IP64 protection, and a large 6.75-inch screen. Surprisingly, this OPPO phone packs several useful features that keep your everyday experience smooth and worry-free.
Specifications of OPPO K15x
| General | |
| Brand | OPPO |
| Model | K15x |
| Announced | 2026, October 02 |
| Released | Available, 2026, October 02 |
| Network & Connectivity | |
| Technology | GSM / HSPA / LTE / 5G |
| SIM | Nano-SIM + Nano-SIM |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Bluetooth | v5.4, A2DP, LE, aptX HD |
| Positioning | GPS, GALILEO, GLONASS, QZSS |
| NFC | Yes |
| FM Radio | No |
| USB | Type-C 2.0, OTG |
| Body | |
| Dimensions | 166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in) |
| Weight | 212 g (7.48 oz) |
| Build | Glass front, plastic frame, plastic back |
| Colors | Purple, White |
| Protection | IP64 dust tight and water resistant (water splashes) |
| Display | |
| Size | 6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio) |
| Type | IPS LCD, 120Hz, 1125 nits (peak) |
| Resolution | 720 x 1570 pixels, 19.5:9 ratio (~256 ppi density) |
| Platform | |
| Operating System | Android 16, ColorOS 16 |
| Chipset | Mediatek Dimensity 6300 (6 nm) |
| CPU | Octa-core (2×2.4 GHz Cortex-A76 & 6×2.0 GHz Cortex-A55) |
| GPU | Mali-G57 MC2 |
| Memory | |
| RAM & Storage | 128GB 6GB RAM, 256GB 6GB RAM |
| Storage Type | UFS 2.2 |
| Memory Card Slot | microSDXC |
| Main Camera | |
| Main Camera | 13 MP, f/2.2, 27mm (wide), AF Auxiliary lens |
| Features | LED flash, HDR, panorama |
| Video | 1080p@30/60fps |
| Selfie Camera | |
| Camera | 5 MP, f/2.2, 27mm (wide), Panorama |
| Video | 1080p@30fps |
| Sound | |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| Features & Sensors | |
| Fingerprint | Fingerprint (side-mounted) |
| Sensors | accelerometer, proximity, compass |
| Battery | |
| Capacity | 6500 mAh |
| Wired Charging | 45W wired |
| Reverse Wired Charging | 5W |
OPPO K15x Price in Bangladesh
The OPPO K15x price in Bangladesh starts at just ৳[place the price] at Mobile Buzz BD. Notably, you get a massive battery, a 120Hz display, and 5G connectivity at this price. However, prices and availability may change over time. For the latest updates, call our hotline at 09613-668844. We are your trusted partner for authentic smartphones and tech gadgets.

Key Features of OPPO K15x
The OPPO K15x brings together practical features that matter in everyday life. Here are some notable features:
Design and Build Quality
The OPPO K15x focuses on everyday comfort and durability. Despite carrying a massive 6,500mAh battery, its 212g body offers balanced weight distribution. So, it doesn’t feel too heavy at the top during extended one-handed use. The textured back panel plays with light and shadow, featuring a diamond-cut pattern inspired by floating ice. It also provides a smooth, comfortable grip. Notably, its diamond anti-drop architecture reinforces both the internal and external frames.
Display Experience
The K15x features a large 6.75-inch IPS LCD panel with a 120Hz refresh rate. Its 720 × 1570 pixel resolution keeps everyday content easy to view. Whether you’re scrolling through media or browsing websites, the higher refresh rate makes movements look smoother. Notably, the display reaches up to 1,125 nits of peak brightness. This gives you better visibility when using the phone outdoors. However, its HD+ resolution isn’t as sharp as a Full HD+ panel, particularly when reading small text or viewing detailed images.
Performance and Software
Under the hood, the OPPO K15x runs on the MediaTek Dimensity 6300 chipset, built on a 6nm process. It features an octa-core CPU with two Cortex-A76 performance cores and six Cortex-A55 efficiency cores. The Mali-G57 MC2 GPU handles everyday graphics and casual gaming. You can comfortably manage social media, messaging, web browsing, and regular multitasking. However, don’t expect flagship-level gaming performance.
Camera Capabilities
For photography, the OPPO K15x features a 13MP main camera with autofocus and an additional auxiliary lens. It supports HDR, panorama, and LED flash for everyday photography. You can also record videos up to 1080p at 60 fps. On the front, there’s a 5MP selfie camera with panorama support and 1080p video recording at 30fps. These cameras cover basic photography needs
Battery Life and Charging
Battery life is one of the biggest attractions of the OPPO K15x. It packs a massive 6,500mAh battery, which offers plenty of capacity for daily browsing, video streaming, social media, and calls. Particularly, this large battery makes the phone a practical choice for users who spend long hours away from a charging point. When the battery runs low, its 45W wired charging brings it back up faster.
Why Buy from Mobile Buzz BD?
Buying a smartphone is not just about finding the right price. It’s also about choosing a reliable seller. At Mobile Buzz BD, you get 100% authentic smartphones and tech gadgets with confidence. We offer a wide range of products, including tablets, smartwatches, earbuds, speakers, chargers, and other useful accessories. Notably, our reliable warranty coverage gives you extra peace of mind after purchase. You can also enjoy convenient online ordering, nationwide delivery, and in-store shopping at our outlets. Whether you’re buying a smartphone or your next favourite gadget, Mobile Buzz BD is your trusted partner for authentic technology.
What’s in the Box?
- OPPO K15x smartphone
- 45W fast charger adapter
- USB-A to USB-C data/charging cable
- SIM card ejector pin (SIM needle)
- Protective case (TPU cover)
- Quick start guide and safety/warranty documentation
- Pre-applied screen protector film
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