This model is the Mate S China Telecom customized Premium 32GB version (CRR-CL00). Huawei

Huawei Technologies Co., Ltd. is a private communications technology company that produces and sells communications equipment. Its products mainly involve switching networks, transmission networks, wireless and wired fixed access networks, data communication networks and wireless terminal products in communication networks. It provides hardware equipment, software, services and solutions to communication operators and professional network owners around the world. .

In 2013, Huawei surpassed Ericsson, the world's largest telecommunications equipment manufacturer, for the first time, ranking 315th on the Fortune Global 500. In October 2014, Huawei became the first enterprise company in mainland China to enter the Interbrand?top100 list, ranking 94. On June 30, 2017, Huawei Technologies Co., Ltd. won the Madrid Trademark International Registration Special Award at the China Trademark Gold Award. [3] Ranked 83rd among the Fortune Global 500 in 2017. [4] On January 11, 2018, the first-instance verdict of Huawei’s case against Samsung for infringement of intellectual property rights was announced publicly. In order to protect its wireless communication invention patents, Huawei sued Samsung in the United States and China respectively. Huawei mate crr-cl00

CRR-CL00 is the 32GB version of Mate S customized by China Telecom.

Network standard: Main card: 4G network standard Telecom 4G (TDD-LTE/FDD-LTE) 3G network standard Telecom 3G (CDMA 1Xamp; EVDO)/WCDMA (international roaming) 2G network standard Telecom 2G ( CDMA)/China Mobile 2G/China Unicom 2G (GSM).

Secondary card: GSM (can support China Mobile and China Unicom networks) network standard TDD-LTE/FDD-LTE/CDMA/WCDMA (roaming use)/GSM, supports China Telecom 4G/3G/2G, China Mobile and China Unicom 2G (the internal and external card slots can be switched between primary and secondary cards at will).

Note: The secondary card can use China Mobile 2G/China Unicom 2G to access the Internet. It does not support inserting two telecommunications cards at the same time.