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Oppo A78 5G
4 GB | 128 GB | black

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  • Colour
    black
  • Storage
    128 GB
  • Screen Size
    6.6 "
    1612 x 720
  • Camera
    50.0 MP
    8.0 MP
  • SIM
    Dual-SIM
  • Battery
    5000 mAh
Battery
5000 mAh
Brand
Oppo
Camera
50.0 MP
Colour
black
Connectivity
WiFi 802.11a/b/g/n/ac, Bluetooth 5.3
Connectors
USB-C 2.0, 3.5 mm Audio in/out
Dimensions
75.1 x 163.8 x 8 mm
Display
IPS, 90 Hz
Front Camera
8.0 MP
Graphics Card
ARM Mali-G57 MC2
Memory Expansion
microSD
Miscellaneous
Second camera 2.0 MP Depth of field
Note
Through the process of refurbishing the IPxx certification can no longer be guaranteed and, for example, water damage is therefore excluded from the warranty conditions.
Operating System
Android 13 and higher
Processor
Mediatek MT6833V/ZA Dimensity 700 64bit, 2 x 2.20 GHz Cortex-A76 + 6 x 2.00 GHz Cortex-A55
RAM Size
4.0 GB
Resolution
1612 x 720
SIM
Dual-SIM
Screen Size
6.6 "
Sensor
Accelerometer, Proximity sensor, Light sensor, Compass, Fingerprint sensor (side)
Storage
128 GB
Weight
188.0 g
Year of release
2023

Your refurbed product

Refurbed products are more sustainable and up to 40% cheaper compared to a new device. Your trusted refurbed product comes with a minimum 12-month warranty and a 30-day free returns policy, with no questions asked.

Oppo A78 5G - Description

Upgrade your daily experience with the refurbished Oppo A78 5G. This smartphone blends performance, reliability, and sustainability, making it a practical choice for anyone looking to enjoy advanced features without compromising on environmental responsibility. With refurbed, you get a device that looks and works like new, all while reducing electronic waste and your carbon footprint.

Why Choose the Refurbished Oppo A78 5G?

Enjoy seamless connectivity and impressive speed with 5G technology. The A78 5G is designed for busy days, on-the-go productivity, and entertainment, giving you all the modern essentials you need in a smartphone.

Key Features at a Glance

  • Long-lasting 5000 mAh battery – Stay connected all day without hunting for a charger.
  • Smooth 90 Hz IPS display – Scroll, stream, and browse with responsive visuals on a generous 6.56-inch screen.
  • Reliable performance – The Mediatek Dimensity 700 processor ensures apps launch quickly and multitasking feels effortless.
  • Impressive 50 MP main camera – Capture sharp, vibrant photos, whether you’re snapping family moments or creative shots.
  • Expandable storage with microSD – Keep more photos, videos, and apps right at your fingertips.
  • Dual-SIM capability – Easily balance work and personal contacts in one device.
  • Side fingerprint sensor – Unlock your phone safely and swiftly, every time.

Making the switch to a refurbished phone is a more sustainable choice that helps extend the life of quality electronics. Each Oppo A78 5G from refurbed is professionally checked, thoroughly cleaned, and ready to perform reliably for years to come.

Typical Questions About the Oppo A78 5G

Will the Oppo A78 5G handle my everyday tasks?

Absolutely. From messaging and social media to video streaming and online shopping, the A78 5G handles multitasking with ease, thanks to its efficient processor and ample memory expansion.

Can I trust a refurbished phone from refurbed?

Yes. Every device undergoes strict quality checks and comes with a minimum 12-month warranty. If you change your mind, you have a 30-day free return policy for complete peace of mind.

Is this phone suitable for photography?

Definitely. The 50 MP main camera and 8 MP front camera capture crisp, clear images and selfies, making it ideal for sharing life’s moments.

How does this phone support a greener lifestyle?

Choosing refurbished means you help reduce electronic waste and conserve resources. It’s a smart way to enjoy top tech while caring for the planet.

Make the Sustainable Choice

Pick the refurbished Oppo A78 5G for reliable performance, modern features, and a lighter environmental impact. With refurbed’s commitment to quality and sustainability, you can upgrade your tech with confidence – and do your bit for a greener future. 🌱

Enjoy a minimum 12-month warranty and 30 days free returns on every refurbed phone.

The refurbed Process

Every refurbed device is refurbished in up to 40 steps — taking it from used to like new again. Here are 5 key steps:

Refurbisher buys used electronics

1. Supplier buys pre-loved tech

Deleting the data from used electronic devices

2. Data cleanse

Refurbishing defective components

3. Swap of faulty parts

Polishing the exterior of used electronics

4. External preparation

Refurbisher sells the devices through refurbed marketplace

5. Sold via refurbed

Learn more

What is refurbed?
Refurbed is an online marketplace for refurbished electronics. All refurbed Oppo A78 5G function like new, but are much cheaper. How is that the case? Once sourced, experts put our products through an up to 40-step refurbishment process to ensure that all products work and look like new. This results in us offering better value products that are also more sustainable.
Why should I buy my Oppo A78 5G from refurbed?
refurbed Oppo A78 5G are great value, at up to 40% cheaper than new. Equally as important is trust. We give you a minimum 12-month warranty on each device and a 30-day free trial period, during which you can return for a full refund. This means you save money, and get to test the device to make sure it works perfectly for you.
Why are refurbed Oppo A78 5Gs so cheap?
Every refurbed partner is specialised in certain brands. They mostly buy exhibit and corporate phones in large quantities at low prices. Their specialisation makes the renewal processes very efficient, resulting in 100% renewed products that are up to 40% cheaper than new devices.
What exactly do the product grades mean?
refurbed Oppo A78 5Gs work like new devices and therefore have no functional limitations. The visual condition of the devices can be selected based on your needs. What are the visual categories?

Premium (AA-Grading)
Premium Oppo A78 5Gs are visually identical to new, with no visible signs of wear or use. No scratches, scuffs, dents, or blemishes on the body or screen.
Excellent (A-Grading)
Excellent Oppo A78 5Gs have no dents, scratches or signs of wear visible from a distance of 30cm - neither on the body nor on the display.
Very Good (B-grading)
Very Good Oppo A78 5Gs may have minimal dents, scratches or wear on the body that can be seen from 30cm away. There may be micro-scratches on the display/screen, but these are not visible when the display is on.
Good (C-Grading)
Good Oppo A78 5Gs have visible signs of use such as scratches and/or dents on the body. There may be micro-scratches on the display/screen, but these are not visible when the display is switched on.
How does the 30-day free trial work?
If you want to return your product for any reason, you can return it free of charge within 30 days. To do so, contact our partner directly via your refurbed account and let them know that you would like to exchange or return your device. You will receive a free return label from our partner by email or in your refurbed account. Alternatively, you can contact our refurbed customer service. We will be happy to help you and contact our partner.
What are my warranty terms?
We offer a minimum 12-month warranty on all refurbed Oppo A78 5G. This covers all/any technical defects might occur during this period, and are not caused by your own fault.

Examples are:
- The device can no longer be switched on.
- The unit cannot find a network.
- The loudspeaker does not work.

The battery is also covered by the warranty. A distinction is made between wear and tear and technical defects. Technical defects are covered by the warranty and are characterised by abnormal behaviour. Abnormal behaviour could be, for example, that the device can only be charged up to 40%. Please note, your min. 12-month warranty is refurbed's voluntary commercial promise to you. This does not impact your statutory consumers rights
How can refurbed guarantee the quality of your Oppo A78 5G?
Only professional and certified partners are allowed to offer their electronic products via refurbed. We ensure this with ongoing quality tests and constant monitoring. Our partners are all located within the EU. This allows us to guarantee fast delivery times and optimal contact to always perform our best.
Which environmental protection projects do we invest in?
We have planted over 6.6 million trees since our foundin, and we are very proud! We realised that planting trees alone does not tackle all of the environmental issues we a passionate about, however. That's why we now also support projects that
- restore landscapes — ecosystems are repaired and jobs are created, including tree planting along the way
- remove carbon from the atmosphere and store it permanently
- recycle electronic waste and reuse materials

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