A12 is a oppo device (codename: A12). FirmwareMirror hosts 1 verified firmware builds, covering: in. Available as Fastboot ROM. Last updated: January 2021. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for A12 (A12). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| CPH2083_11_A.49 | Fastboot | 2.6 GB | 2021-01-05 |
N/A
|
Download |
| Network | Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G bands | HSDPA 850 / 900 / 2100 | |
| 4G bands | 1, 3, 5, 8, 38, 40, 41 | |
| Speed | HSPA, LTE |
| Launch | Announced | 2020, April 20 |
|---|---|---|
| Status | Available. Released 2020, April 20 |
| Body | Dimensions | 155.9 x 75.5 x 8.3 mm (6.14 x 2.97 x 0.33 in) |
|---|---|---|
| Weight | 165 g (5.82 oz) | |
| Build | Glass front, plastic back, plastic frame | |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display | Type | IPS LCD, 450 nits (typ) |
|---|---|---|
| Size | 6.22 inches, 96.6 cm2 (~82.0% screen-to-body ratio) | |
| Resolution | 720 x 1520 pixels, 19:9 ratio (~270 ppi density) | |
| Protection | Corning Gorilla Glass 3 |
| Platform | OS | Android 9.0 (Pie), ColorOS 6.1 |
|---|---|---|
| Chipset | Mediatek MT6765 Helio P35 (12 nm) | |
| CPU | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | |
| GPU | PowerVR GE8320 |
| Memory | Card slot | microSDXC |
|---|---|---|
| Internal | 32GB 3GB RAM, 64GB 4GB RAM | |
| eMMC 5.1 |
| Main Camera | Dual | 13 MP, f/2.2, (wide), 1/3.1", 1.12µm, PDAF 2 MP, f/2.4, (depth) |
|---|---|---|
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps |
| Selfie camera | Single | 5 MP, f/2.0, 1/5.0", 1.12µm |
|---|---|---|
| Features | HDR | |
| Video |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, BDS | |
| NFC | No | |
| Radio | FM radio | |
| USB | microUSB 2.0, OTG |
| Features | Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
|---|
| Battery | Type | Li-Po 4230 mAh, non-removable |
|---|
| Misc | Colors | Blue, Black |
|---|---|---|
| Models | CPH2083, CPH2077 | |
| Price | About 560 EUR |
A: Yes — official firmware from the manufacturer is generally safe when you match your device's exact model number and region. Flashing the wrong region or modified firmware can cause issues.
A: A12 firmware is flashed using MSMDownloadTool. See the step-by-step guide above for the full procedure.
A: Some devices allow downgrading, others have anti-rollback protection that blocks it. Check the version-specific notes on each ROM page, or your model's community forum, before attempting a downgrade.
A: First, verify the firmware matches your exact model code (e.g. SM-S938B for Samsung, or the CPH-number for OPPO). Reinstall the manufacturer's USB drivers, use a rear USB 2.0 port directly on your PC, and retry. The troubleshooting box above the FAQ covers the most common failure modes.
