How to turn off the SMS reminder of oppor 1c card change?

Just cancel this function in Settings-More-Security -》《SIM Card Replacement Warning.

OPPO R 1C is a practical new product with beautiful design and strong performance as its selling point? . As an upgraded product of the best-selling American smartphone OPPO R 1S, OPPO R 1C not only inherits the excellent design of R series, but also inherits the hardware level of OPPO R5, the flagship product of OPPO R series. It adopts Qualcomm Snapdragon eight nuclear processor, supports 4G dual card dual standby, and has intimate functions such as double exposure, random focus and flash.