useragents are removed by chinese mobile networks ?

Question

Hi,

Kindly confirm the information below.

a. Chinese mobile networks are blocking the useragent strings.

b. The useragent send to the server are in different encoding for Chinese mobiles.

Please let me know whether a or b is true and also pour in your experiences on the identifying the user agents in Chinese mobiles.

Everywhere the term Chinese mobile means a mobile in china with Chinese mobile network.

Thanks in advance.

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