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Oppo A78 4G Specs, Price, and Best Deals

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The Oppo A78 4G smartphone, the lower version of the Oppo A78 5G, is packed with impressive features. This mid-range device was released in July 2023 and offers a stunning 6.43-inch AMOLED display with a 90Hz refresh rate for smooth visuals. Oppo A78 4G is powered by a Snapdragon 680 processor, 8GB of RAM, with 128GB of storage, and backed up by Li-Po 5000 mAh battery.

Where to Buy Oppo A78 4G

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Oppo A78 4G Key Specs and Features

  • 6.43 inches AMOLED Display, 1080 x 2400 pixels (~409 ppi density), ~85.2% screen-to-body ratio
  • Android 13, ColorOS 13.1
  • Qualcomm SM6225 Snapdragon 680 4G (6 nm) Octa Core Processor
  • 8GB RAM
  • 50 MP (wide) + 2 MP (depth) Dual Rear Camera
  • 8 MP Front Camera
  • Fingerprint Sensor (under display, optical)
  • 128GB, 256GB Built-in Storage
  • 4G LTE Support
  • 67W Fast Charging Capacity
  • 5000 mAh Non-removable Li-Po Battery

Oppo A78


The OPPO A78 4G is a visually stunning phone that combines sleek design elements with a unique glowing finish. The phone’s design language is distinct, allowing it to stand out from the crowd and make a statement. It has a rainbow holographic matte-but-shiny finish that changes colors when tilted or exposed to different lighting conditions. This adds a touch of elegance and modernity to the device.

The back of the Oppo phone features a placement of the rear cameras in the top left corner, with circular lenses complemented by the shiny finish around the cameras, adding visual interest. On the front, there is a 6.56-inch display with a tear-drop front-facing camera. While the lower chin is slightly bigger than desired, it is still smaller than other entry-level handsets, contributing to an overall balanced design.

In terms of build quality, the OPPO A78 4G strikes a good balance between sturdiness and lightweight design. Weighing only 188g, it is notably lighter than flagship devices like the iPhone 14 Pro Max, making it comfortable to hold for extended periods of use. The phone’s dimensions of 160 x 73.2 x 7.9 mm (6.30 x 2.88 x 0.31 in) further contribute to its sleek and slim profile.

The OPPO A78 4G incorporates practical features seamlessly into its design. The fingerprint scanner is embedded into the lock button, offering convenient and secure unlocking capabilities. The handset features a polished plastic back and sides, with metallic rings around each of the back cameras, providing a touch of sophistication to the overall design.

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Overall, the OPPO A78 4G impresses with its unique aesthetics and attention to detail. It has a well-placed rear cameras, and practical features within a sleek and lightweight design. The OPPO A78 5G is a beautifully designed device that stands out in the crowded smartphone market.


The Oppo A74 boasts a 6.43-inch AMOLED screen that delivers an impressive visual experience. While it may be considered small in comparison to larger devices, this screen size offers a balance between compactness and ample viewing space.

It has a resolution of 1080 x 2400 pixels, the display ensures sharp and detailed imagery with a pixel density of 409 ppi which contributes to the overall sharpness of the screen, ensuring that individual pixels are indistinguishable to the human eye.

Furthermore, the Oppo A74’s display offers support for 100% DCI-P3 color gamut. This means that the screen is capable of reproducing a wide range of colors, resulting in vivid and accurate color representation. It also features a maximum of 600 nits (peak) and 430 nits (Typical) brightness. This ensures that the screen remains easily visible even under bright lighting conditions, allowing you to comfortably use your device outdoors or in well-lit environments.

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To safeguard the screen against scratches and damage, Oppo has incorporated Corning Gorilla Glass 5. This durable glass technology provides an added layer of protection, ensuring that your display remains in good condition over time.

Additionally, the Oppo A74’s 4G smartphone has 90 Hz refresh rate, which delivers smooth and fluid animations and scrolling. This higher refresh rate enhances the overall user experience, making interactions with the device feel more responsive and seamless.

The Oppo A74 also features a punch hole display design which accommodate the front-facing camera. This device also has minimizes bezels, providing a larger screen-to-body ratio and a more immersive viewing experience.


The camera setup on the Oppo A78 4G offers a dual camera system at the rear and a singe front-facing camera for selfies. At the back, you’ll find a 50MP main sensor with an aperture of f/1.8, accompanied by a 2MP depth sensor with an aperture of f/2.4.

The 50MP main sensor performs impressively, capturing well-rounded and vibrant shots. It particularly shines in low-light conditions, defying expectations with its ability to produce stunning low-light shots. The camera also offers portrait and panoramic options, allowing for creative shooting.

However, the performance of the 2MP depth lens falls a bit short. When used in conjunction with the main sensor, shots can suffer, appearing grainy and occasionally oversaturated. It’s not a deal-breaker, but it’s worth noting.

On the front, the Oppo A78 4G features an 8MP camera sensor with an aperture of f/2.0 for selfies. The AI technology does an excellent job of smoothing facial features while maintaining a natural look. However, in low-light situations, the camera’s performance can be hit or miss, often resulting in slightly muddy images.

Furthermore, both the front and rear cameras support video recording at 1080p and 30fps or 720p and 30fps. It’s disappointing that the 720p option doesn’t offer 60fps recording, but the inclusion of 720p SLO-MO recording at 120fps is a nice addition. The front camera boasts an 8MP sensor, allowing for selfie captures and portrait mode. The Night Mode feature enhances low-light photography, producing improved images in such conditions.

The camera app offers various shooting modes, including Pro mode, Extra HD mode, Panorama mode, Slo-Mo mode, Time-Lapse mode, Sticker mode, and a text scanner mode. Additionally, AI enhancement is available for better shots, which can be enabled or disabled as per the user’s preference.

Hardware and Software

Oppo A78 4G is equipped with the Snapdragon 680 4G chipset like the Oppo A77s and Xiaomi Redmi Note 11. The chipset is built on a 6 nm manufacturing process. The CPU configuration consists of an octa-core setup, and its backed up by Adreno 610 GPU which provides efficient graphics performance.

The android phone also offers two internal storage options, including 128GB with 8GB of RAM, 256GB with 8GB of RAM, and support microSD card for external storage.

Additionally, Oppo A78 4G is equipped with a 5,000 mAh battery, similar to the 5G model. It supports 67W wired fast charging and can reach a full charge of 100% in approximately 30 minutes, as advertised by Oppo.

For connectivity, this phone comes with 4G connectivity for fast internet speeds, as well as Wi-Fi, Bluetooth, and NFC. It also sports a USB Type-C Port (USB 2.0) for fast charging and wired communications.

Oppo A78 4G Price and Availability

Oppo A78 4G price starts at $ 229.00 / £ 214 / € 200.50 at leading global online stores. The Oppo A78 4G price in Nigeria start at about ₦115,000 in Nigeria.

Oppo A78 4G Specs

Here are a few specs of the Oppo A78 4G:

General Features

  • Platform: Android 13, ColorOS 13.1
  • Processor: Qualcomm SM6225 Snapdragon 680 4G (6 nm) Octa Core Processor (2.4 GHz quad-core Kryo 265 Gold and 1.9 GHz quad-core Kryo 265 Silver)
  • GPU: Adreno 610
  • Memory: 8GB RAM
  • Colours: Mist Black, Aqua Green
  • Dimension: 160 x 73.2 x 7.9 mm
  • Weight: 180 g
  • SIM Type: Nano SIM
  • SIM Count: Dual SIM


  • Display: 6.43 inches AMOLED Display, 1080 x 2400 pixels (~409 ppi density), ~85.2% screen-to-body ratio
  • Screen Protection: Corning Gorilla Glass 5
  • Foldable Display: No


  • Rear Camera: 50 MP (wide) + 2 MP (depth)
  • Rear Camera Features: LED flash, HDR, panorama
  • Front Camera: 8 MP


  • Built-in Storage: 128GB, 256GB
  • Memory Card Support: microSDXC
  • Bundled Cloud Storage:

Network Support

  • 2G GSM: GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
  • 2G CDMA 1X:
  • 3G WCDMA: HSDPA 850 / 900 / 2100
  • 4G LTE: Yes
  • 5G: No

Internet & Connectivity

  • GPRS: Yes
  • EDGE: Yes
  • 3G/WCDMA/HSPA: Yes
  • HSPA+: Yes
  • 4G LTE: Yes
  • 5G: No
  • WLAN: Yes, Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Hotspot: Yes
  • Bluetooth: Yes Bluetooth 5.0, A2DP, LE
  • NFC: Yes, Yes (market/region dependent)
  • Infrared Blaster:
  • USB Port: Yes, USB Type-C 2.0, OTG


  • SMS/MMS: Yes
  • Instant Messaging: Yes
  • Push Emails: Yes
  • Email Protocol:


  • Music Player: Yes
  • Video Player: Yes
  • FM Radio:
  • Loudspeaker: Yes, with stereo speakers
  • 3.5mm Jack: Yes


  • Navigation: GPS, GALILEO, GLONASS, BDS
  • Maps: Yes

Sensors & Control

  • Digital Compass: Yes
  • Accelerometer: Yes
  • Proximity Sensor: Yes
  • Light Sensor:
  • Barometer:
  • SpO2:
  • Pedometer:
  • Heart Rate Monitor:
  • Gyroscope: Yes
  • Fingerprint Scanner: Yes, (under display, optical)
  • Iris Scanner:
  • Face Unlock:
  • Stylus Pen:
  • Intelligent Digital Assistant:
  • Motion Sensing / Gesture Control:
  • Voice Control: Yes

Other Features

  • Video Streaming: Yes
  • Active Noise Cancellation:
  • Wireless Charging:
  • Built-in Mobile Payment:
  • Water Resistant:
  • Dust Resistant:
  • Image Editor: Yes
  • Video Editor: Yes
  • Document Viewer:
  • Document Editor:


  • Battery: 5000 mAh Non-removable Li-Po Battery
  • Talktime:
  • Standby Time:
  • Fast Charging: 67W Fast Charging Capacity
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Adeosun Ajibola
Adeosun Ajibola
Adeosun is an experienced Tech Writer specializing on Mobile Devices and Electronic Gadgets. At NaijaTechGuide, she is the Tech Specialist on Smartphones, Laptops, and TVs and since 2020 has written over 600 articles covering these verticals for the Tech Blog. She also has interests in Digital Marketing and eCommerce.

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