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realme C1

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Realme C1
Realme C1 smartphone
Realme C1
BrandRealme, OPPO
ManufacturerOPPO Electronics
TypeSmartphone
SeriesRealme C
Oppo A
Availability by regionA3s: July 13, 2018; 7 years ago (2018-07-13)
C1: September 28, 2018; 7 years ago (2018-09-28)
 Philippines release: November 29, 2018[1]
C1 2019: January 28, 2019; 7 years ago (2019-01-28)
A12e: April 3, 2020; 6 years ago (2020-04-03)
SuccessorRealme C2
RelatedOppo A3
Oppo A12
Compatible networksGSM, 3G, 4G LTE
Form factorSlate
Dimensions156.2 mm × 75.6 mm × 8.2 mm (6.15 in × 2.98 in × 0.32 in)
Weight168 g (5.9 oz)
Operating systemInitial: Android 8.1 Oreo + ColorOS 5.2
Current: Android 9 Pie + ColorOS 6
CPUQualcomm SDM450 Snapdragon 450 (14 nm), 8x1.8 GHz Cortex-A53
GPUAdreno 506
MemoryC1: 2 GB
C1 2019: 2/3 GB
A3s: 2/3/4 GB
A12e: 3 GB
LPDDR3
StorageC1: 16 GB
C1 2019: 32 GB
A3s: 16/32/64 GB
A12e: 64 GB
eMMC 5.1
Removable storagemicroSDXC up to 256 GB'
BatteryNon-removable Li-Ion 4230 mAh
Rear camera
  • Dual-Camera Setup
  • Primary: Hynix Hi-1333; 13 MP, f/2.2, 26mm (wide), 1/3.1", 1.12 µm, AF
  • Depth: GalaxyCore GC2375H; 2 MP, f/2.4, 1/5.0", 1.75 µm
  • Camera features: LED flash, HDR, Panorama
  • Video recording: 1080p@30fps
Front camera
  • A3s / A12e:
  • CPH1853 / CPH1805:
  • GalaxyCore GC8034; 8 MP, f/2.0, 28mm (wide), 1/4.0", 1.12 µm, FF
  • CPH1803:
  • 8 MP, f/2.2, 28mm (wide), 1/4.3", 1.0 µm, FF
  • C1 / C1 2019:
  • GalaxyCore GC5025; 5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12 µm, FF
  • Camera features: HDR
  • Video recording: 1080p@30fps
DisplayIPS LCD, 6.2 in, 1520 x 720 pixels (720p HD+), 19:9 ratio, 271 ppi
ConnectivitymicroUSB 2.0, 3.5 mm jack, Bluetooth 4.2 (A2DP, LE), FM radio, Wi-Fi 802.11 b/g/n (Wi-Fi Direct, hotspot), GPS, A-GPS
Data inputsAccelerometer, proximity sensor, compass

The realme C1 is an entry-level Android smartphone developed and designed by Realme. It was introduced on September 27, 2018, alongside the Realme 2 Pro.

Model variations

[edit]

On January 28, 2019, a new version of the smartphone was introduced under the name realme C1 (2019), featuring an increased storage capacity.[2] In India, the Realme C1 was sold under the OPPO brand name as the Oppo A3s, which was initially launched on July 13, 2018. The Oppo A3s was later re-released on April 3, 2020, for the Vietnamese market under the name Oppo A12e.

Design

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The display is protected by Corning Gorilla Glass 3. The body of the phone is constructed out of glossy plastic.

The bottom edge houses a microUSB port, speaker, microphone, and a 3.5 mm jack. The secondary microphone is located on the top edge. On the left side of the smartphone, there are the volume adjustment buttons and a triple slot accommodating 2 SIM cards and a microSD expandable storage card up to 256 GB. The power button is positioned on the right side.

Color options

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The realme C1 (incliding the 2019 model year) was sold in black and blue color variants. The Oppo A3s and A12e was sold in Red and Dark Purple color variants.[3]

Specifications

[edit]

Hardware

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The smartphones are equipped with a Qualcomm Snapdragon 450 processor paired with an Adreno 506 graphics processing unit.[4] It is powered by a non-removable 4230 mAh battery.

Camera

[edit]

The phone features a dual rear camera configuration consisting of a 13 MP main sensor with an aperture of f/1.8 and a 2 MP secondary depth sensor with an aperture of f/2.4. It supports autofocus and is capable of shooting 1080p video at 30fps. The front-facing camera has a 5 MP resolution, a f/2.2 aperture lens (wide-angle), and can record 1080p video at 30fps.

Display

[edit]

The device features a 6.2-inch IPS LCD display with a HD+ resolution (1520 × 720 pixels), a 19:9 aspect ratio, and a pixel density of 271 ppi. The screen features a display notch housing the front-facing camera, earpiece, and proximity/ambient light sensors.

Memory

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The original Realme C1 was available in a 2 GB RAM and 16 GB internal storage configuration. The 2019 edition was offered in 2 GB RAM / 32 GB storage and 3/32 GB variants.[5]

The Oppo A3s was shipped in 2/16 GB, 3/32 GB, and 4/64 GB variations,[6] while the Oppo A12e was configured specifically with 2/16 GB.[7]

Software

[edit]

The device originally launched running ColorOS 5.2 based on Android 8.1 Oreo, and was later updated to ColorOS 6 based on Android 9 Pie.

References

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  1. ^ Gonzales, Angelo (2018-11-29). "Realme enters Philippine market with entry-level C1 phone". RAPPLER. Retrieved 2026-06-04.
  2. ^ "The realme C1 (2019) might be the entry-level phone of your entry-level dreams". Android Authority. 2019-01-28. Retrieved 2026-06-04.
  3. ^ Cañete, Patrick (2020-07-07). "OPPO A12e vs Realme C3: Specs Comparison". NoypiGeeks. Retrieved 2026-06-04.
  4. ^ Chua, Vaughn (2018-12-31). "Realme C1 vs OPPO A3s: What's Different? » YugaTech | Philippines Tech News & Reviews". YugaTech | Philippines Tech News & Reviews. Retrieved 2026-06-04.
  5. ^ "Realme C1 (2019) - Full phone specifications". gsmarena.com. Archived from the original on 14 November 2019. Retrieved 2026-06-04.
  6. ^ "Oppo A3s - Full phone specifications". gsmarena.com. Archived from the original on 5 December 2020. Retrieved 2026-06-04.
  7. ^ "Oppo A12e - Full phone specifications". gsmarena.com. Archived from the original on 6 December 2020. Retrieved 2026-06-04.
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