The realme C1 is an entry-level Android smartphone developed and designed by Oppo under their Realme sub-brand. It was introduced on September 27, 2018, alongside the Realme 2 Pro.
Model variations On January 28, 2019, a new version of the smartphone was introduced under the name realme C1 (2019), featuring an increased storage capacity. 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 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 The realme C1 (including 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.
Specifications
Hardware The smartphones are equipped with a Qualcomm Snapdragon 450 processor paired with an Adreno 506 graphics processing unit. It is powered by a non-removable 4230 mAh battery.
Camera The phone features a dual rear camera configuration consisting of a 13 MP main sensor with an aperture of and a 2 MP secondary depth sensor with an aperture of . It supports autofocus and is capable of shooting 1080p video at 30fps. The front-facing camera has a 5 MP resolution, a aperture lens (wide-angle), and can record 1080p video at 30fps.
Display 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 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.
The Oppo A3s was shipped in 2/16 GB, 3/32 GB, and 4/64 GB variations, while the Oppo A12e was configured specifically with 2/16 GB.
Software 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.
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