Moreover, the main business of Huawei and its two companies is not mobile phones, and mobile phones are just his sideline. Coolpad has been specialized in communication mobile phones for 20 years and accumulated more than 4,000 patents. Among them, the dual-card dual standby technology used by most mobile phone manufacturers is developed by Coolpad, and this technology has also won the second prize of National Progress Award, the highest mobile phone award. Technically, Cool Grand View 4 9970 is equipped with cool features, and Coollife Ui5.0 is always simple and easy to use. In terms of data protection, 9970 adopts bank-level encryption service, which can securely synchronize mobile phone data to Kuyun. The client opens the function of finding my mobile phone, which can remotely control the mobile phone on the WEB, avoid the loss of the mobile phone and data leakage, and can locate and track the mobile phone regularly. Burn after reading function, to ensure that the information is not copied, and the sender information is hidden. These aspects are not comparable to Huawei mobile phones.