Oppo A18

Oppo A18
Oppo A38

Manufacturer	OPPO
Type	Phablet
Series	A series
First released	A38: September 4, 2023;2 years ago (2023-09-04) A18: September 27, 2023;2 years ago (2023-09-27)
Predecessor	Oppo A17 Oppo A36
Successor	Oppo A3 (2024)
Related	Oppo A58 Oppo A78 Oppo A98
Compatible networks	GSM, 3G, 4G (LTE)
Form factor	Slate
Colors	A18: Glowing Black, Glowing Blue A38: Glowing Black, Glowing Gold
Dimensions	163.74×75.03×8.16 mm (6.446×2.954×0.321 in)
Weight	A18: 188 g A38: 190 g
Operating system	Original: Android 13 with ColorOS 13.1 Current: Android 14 with ColorOS 14
System-on-chip	MediaTek Helio G85 (12 nm)
CPU	Octa-core (2×2.0 GHz Cortex-A75 & 6×1.8 GHz Cortex-A55)
GPU	Mali-G52 MC2
Memory	A18: 4 GB A38: 4/6 GB LPDDR4X
Storage	A18: 64/128 GB A38: 128 GB eMMC 5.1
Removable storage	microSDXC up to 1 TB
SIM	Dual SIM (Nano-SIM)
Battery	Non-removable Li-Po 5000 mAh
Charging	A18: 10 W A38: 33 W SUPERVOOC fast charging
Rear camera	Wide: A18: 8 MP, f/2.0, 78°, AF A38: 50 MP, f/1.8, 75.5°, PDAF Depth: 2 MP, f/2.4, 89.1° Other: LED flash, HDR, panorama Video: 1080p@30fps
Front camera	5 MP, f/2.2, 76.8° (wide) HDR, panorama Video: 1080p@30fps
Display	IPS LCD, 90 Hz, 6.56", 1612 × 720 (HD+), 20:9, 269 ppi
Connectivity	USB-C 2.0, 3.5 mm jack, Bluetooth 5.3 (A2DP, LE, aptX HD), NFC (A38), Wi-Fi 802.11 a/b/g/n/ac (dual-band), GPS, GLONASS, Galileo, BeiDou, QZSS
Water resistance	IP54
Other	Fingerprint sensor (side-mounted), proximity sensor, accelerometer, compass
Website	Official website (A18) Official website (A38)
References	[1] [2]

The Oppo A18 is an entry-level smartphone developed by OPPO as part of the "A" series. It was introduced on September 27, 2023. Additionally, the Oppo A38 was introduced on September 4, 2023, which serves as an improved version of the Oppo A18 based on its specifications. ^[3]

Design

The display is made of glass, while the side frames and back panel are made of matte plastic. ^[4] The smartphones also feature dust and splash resistance from the IP54 standard.

The rear design of the models is similar to the Oppo A58 and Oppo A98.

The bottom houses a USB-C port, speaker, microphone, and a 3.5 mm audio jack. The left side contains a slot for two SIM cards and a microSD card up to 1 TB. ^[5] The right side features volume buttons and a power button with an integrated fingerprint scanner.

The Oppo A18 is sold in Glowing Black and Glowing Blue colors, while the Oppo A38 is available in Glowing Black and Glowing Gold.

Technical specifications

Processor

The smartphones are powered by a MediaTek Helio G85 processor and a Mali-G52 MC2 GPU. ^[6]

Battery & Charging

Both models feature a battery capacity of 5000 mAh. The Oppo A38 also supports 33 W SUPERVOOC fast charging ^[5] , which take about 75 minutes to fully charge according to the manufacture's claim. ^[7]

Cameras

The Oppo A18 and A38 feature a dual main camera setup consisting of a wide-angle lens (8 MP with f/2.0 aperture and autofocus on the A18; 50 MP with f/1.8 aperture and phase-detection autofocus on the A38) and a 2 MP depth sensor with f/2.4 aperture. Both models have a 5 MP front camera with f/2.2 aperture (wide-angle). Both the main and front cameras can record video at 1080p@30fps.

Display

The display is a 6.56" IPS LCD with HD+ resolution (1612 × 720), a pixel density of 269 ppi, a 20:9 aspect ratio, a 90 Hz refresh rate, Sunlight Display, and a waterdrop notch for the front camera.

Additionally, the A38 comes with "All-Day AI Eye Comfort" to minimize eye strain. ^[8]

Memory

The Oppo A18 is sold in 4/64 and 4/128 GB configurations, while the A38 is available in 4/128 and 6/128 GB.

Software

The smartphones were launched with ColorOS 13.1 based on Android 13 and have been updated to ColorOS 14 based on Android 14. ^{[9] [10]}

References

1. "Oppo A18 - Full phone specifications". www.gsmarena.com. Retrieved 2024-07-01.
2. "Oppo A38 - Full phone specifications". www.gsmarena.com. Retrieved 2024-07-01.
3. Michail. "Oppo A18 debuts with familiar design and specs". GSMArena.com. Retrieved 2024-07-01.
4. Stark, Leigh (2024-05-02). "Oppo A18 review (Oppo CPH2591)". Pickr. Retrieved 2026-03-01.
5. Yordan. "Oppo A38 silently debuts with a 50 MP camera and 33W fast charging". GSMArena.com. Retrieved 2024-07-01.
6. Guison, Duey (2023-11-02). "The A18 is OPPO's Most Affordable Phone in the Philippines". UNBOX PH. Retrieved 2026-03-01.
7. Wong, Abel (2023-09-05). "OPPO A38 Malaysia release - Helio G85 chipset & 5000mAh battery, priced at RM599". TechNave. Retrieved 2026-03-01.
8. "OPPO Launches 'Premium Economy' A38 Smartphone | OPPO Australia". OPPO. Retrieved 2026-03-01.
9. Gawde, Viraj (2023-09-27). "OPPO A18 With Helio G85 SoC, 90Hz Display Launched In UAE". gizmochina.com. Retrieved 2024-07-01.
10. Sudhanshu (2023-12-26). "OPPO A38 ColorOS 14 x Android 14 Open Beta test begins". gizmochina.com. Retrieved 2024-07-01.