Redmi Note 12 4G NFC ROM Update. 2023-12-09 2. Redmi Note 12 4G NFC firmware (codename topaz) below are the stock stable MIUI, which can be downloaded as Fastboot ROM, Recovery ROM and OTA Update. Phone model name corresponds to Global (23021RAA2Y). Xiaomi ROM are downloaded free of charge from the official website bigota.d.miui.com. In terms of camera, the Redmi 12C features a dual-camera setup which consists of a standard 50.0MP f/1.8 CMOS sensor and a macro lens with 2.0MP f/2.4. It also has a 5MP selfie shooter. Connectivity-wise, it comes with Bluetooth 5.1, dual SIM, audio jack, and infrared. For power, the Redmi 12C packs a 5000mAh battery and supports 10W fast nce9.