Huawei sub brand Honor has announced that global sales of its X series of smartphones - consisting of devices from the Honor 4X to Honor 7X - has hit the 40 million milestone.

The company also revealed some sales figures for the newly-launched Honor 7X smartphone. 30,000 units were sold within the first two hours of November 11 sale in China, and 20,000 units were sold out in one hour in each of the three flash sales in India.

In London, sales in the first two weeks were double that of the Honor 6X, while in Russia, the number was triple, making Honor one of the top 3 brands in the country.

"In the United States, Honor 7X achieved a 250% growth in pre-paid orders from 5th Dec to 14th Dec compared to the sales of Honor 6X during the first 10 days of its debut," the press release said.