Get a detailed overview of the Oppo A55’s specs and features, including display, camera, battery, and performance in this comprehensive guide
Table of Contents
Introduction
The Oppo A55 is a feature-packed smartphone that offers a well-rounded user experience with its impressive hardware and software. Below, we break down all the specifications and features of the Oppo A55 to give you a detailed overview of this device.
Network and Connectivity
The Oppo A55 supports a wide range of network technologies, ensuring reliable connectivity across various regions and carriers.
- Network Technology: GSM / HSPA / LTE
- 2G Bands: GSM 850 / 900 / 1800 / 1900
- 3G Bands: HSDPA 850 / 900 / 2100
- 4G Bands: 1, 3, 5, 8, 38, 40, 41
- Speed: HSPA, LTE
Whether you’re browsing, streaming, or downloading, the Oppo A55 delivers seamless connectivity, thanks to its compatibility with 4G LTE networks.
Launch and Availability
- Announced: October 1, 2021
- Release Date: October 1, 2021
The Oppo A55 hit the market in October 2021, making it a reliable choice for those seeking a mid-range smartphone with modern features.
Build and Design
The Oppo A55 is designed to be both functional and stylish. Its slim profile and splash-proof body make it durable for everyday use.
- Dimensions: 163.6 x 75.7 x 8.4 mm (6.44 x 2.98 x 0.33 in)
- Weight: 193 g (6.81 oz)
- SIM: Nano-SIM + Nano-SIM
- Protection: Splash-proof
The lightweight build and comfortable dimensions ensure the device is easy to hold and operate, while its splash-proof feature adds extra protection.
Display

The Oppo A55 boasts an IPS LCD display that offers vibrant colors and a clear viewing experience.
- Type: IPS LCD, 480 nits (typ), 550 nits (peak)
- Size: 6.51 inches, 102.3 cm² (~82.6% screen-to-body ratio)
- Resolution: 720 x 1600 pixels, 20:9 ratio (~270 ppi density)
- Protection: NEG T2X-1
The large 6.51-inch display with a high screen-to-body ratio makes it perfect for watching videos, browsing, or gaming.
Operating System and Performance
Powered by Android 11 and ColorOS 11.1, the Oppo A55 ensures smooth performance and a user-friendly interface.
- OS: Android 11, ColorOS 11.1
- Chipset: MediaTek MT6765G Helio G35 (12 nm)
- CPU: Octa-core (4×2.3 GHz Cortex-A53 & 4×1.8 GHz Cortex-A53)
- GPU: PowerVR GE8320
The Helio G35 chipset, coupled with an octa-core CPU, delivers reliable performance for day-to-day tasks and moderate gaming.
Memory and Storage
The Oppo A55 offers ample storage options to suit different user needs.
- Card Slot: microSDXC (dedicated slot)
- Internal Storage Options:
- 64GB with 4GB RAM
- 128GB with 4GB RAM
- 128GB with 6GB RAM
With expandable storage via a dedicated microSD slot, users can easily store more photos, videos, and apps.
Camera Features
The Oppo A55 comes with an impressive camera setup for capturing memorable moments.
Main Camera
- Triple Camera Setup:
- 50 MP, f/1.8, 26mm (wide), PDAF
- 2 MP, f/2.4, (macro)
- 2 MP, f/2.4, (depth)
- Features: LED flash, HDR, panorama
- Video Recording: 1080p@30fps
The 50 MP primary sensor ensures sharp and detailed photos, while the macro and depth sensors add versatility to your photography.
Selfie Camera
- Single Camera: 16 MP, f/2.0, 26mm (wide)
- Features: HDR
- Video Recording: 1080p@30fps
The 16 MP front camera delivers clear and vibrant selfies, making it a great choice for social media enthusiasts.
Sound and Audio
The Oppo A55 ensures a good audio experience with its loudspeaker and 3.5mm headphone jack.
- Loudspeaker: Yes
- 3.5mm Jack: Yes
Enjoy your favorite music or podcasts with ease, whether you’re using wired or wireless audio devices.
Connectivity Options
The Oppo A55 is equipped with various connectivity features for a seamless user experience.
- WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
- Bluetooth: 5.0, A2DP, LE, aptX
- Positioning: GPS, GLONASS, GALILEO, BDS, QZSS
- NFC: Yes (market/region dependent)
- USB: USB Type-C 2.0, OTG
Whether it’s fast data transfer or accurate navigation, the Oppo A55 has got you covered.
Sensors and Security
The Oppo A55 is equipped with essential sensors to enhance usability and security.
- Fingerprint Sensor: Side-mounted
- Other Sensors: Accelerometer, proximity, compass
The side-mounted fingerprint sensor ensures quick and secure access to your device.
Battery and Charging
With a large battery and fast charging capabilities, the Oppo A55 is built to keep up with your busy lifestyle.
- Battery Type: Li-Po 5000 mAh
- Charging: 18W wired
The 5000 mAh battery provides long-lasting power, while the 18W fast charging ensures minimal downtime.
Color Options and Models
The Oppo A55 is available in stylish color options to suit your personal taste.
- Colors: Rainbow Blue, Starry Black, Green
- Model Number: CPH2325
Choose from elegant shades to match your style and personality.
Conclusion

The Oppo A55 is a well-rounded smartphone that combines a large display, robust performance, impressive cameras, and long battery life. Its splash-proof design and expandable storage make it a practical choice for everyday use. Whether you’re a casual user or someone who loves photography, the Oppo A55 offers excellent value for money.
With its detailed specifications and user-friendly features, the Oppo A55 remains a reliable option in the mid-range smartphone market.
FAQs
What are the standout features of the Oppo A55?
The Oppo A55 offers several standout features, including a 50 MP triple rear camera setup for versatile photography, a large 6.51-inch IPS LCD display for an immersive viewing experience, and a powerful 5000 mAh battery with 18W fast charging. Its MediaTek Helio G35 chipset ensures smooth performance for everyday tasks.
How does the Oppo A55 perform in terms of battery life?
The Oppo A55 is equipped with a 5000 mAh battery, which provides excellent battery life. Users can expect all-day performance for activities like browsing, streaming, and gaming. Additionally, the 18W fast charging feature ensures the device quickly regains power when needed.
Is the Oppo A55 suitable for gaming?
While the Oppo A55 is not a dedicated gaming phone, its MediaTek Helio G35 chipset and PowerVR GE8320 GPU deliver decent performance for casual gaming. Games with moderate graphics requirements run smoothly, but high-end games may require reduced settings for optimal performance.
What storage options are available for the Oppo A55?
The Oppo A55 comes with three storage configurations: 64GB with 4GB RAM, 128GB with 4GB RAM, and 128GB with 6GB RAM. Additionally, the device supports expandable storage via a dedicated microSDXC card slot, allowing users to add more space for photos, videos, and apps.
Does the Oppo A55 support NFC and other connectivity features?
Yes, the Oppo A55 supports NFC, although availability may vary by market or region. It also offers a range of connectivity options, including dual-band Wi-Fi, Bluetooth 5.0, GPS, and USB Type-C with OTG support. These features ensure seamless connectivity for various user needs.
Disclaimer. We can not guarantee that the information on this page is 100% correct.