Why did the UK ban Huawei?

5G officially arrived in the UK at the end of May 2019 , though only two networks – EE and Vodafone – initially offered 5G plans. But since then, all four major networks now offer 5G in selected areas, although coverage is not widespread just yet.

LONDON (Reuters) – British telecommunications firms must not install new Huawei 5G kit after September 2021, the government said on Monday, as part of a plan to purge the Chinese firm’s equipment from high-speed mobile networks.29 Kas 2020

It’s been banned from the UK’s 5G infrastructure and it faces ongoing scrutiny from the National Cyber Security Centre over its security practices, and whether it has links with the Chinese government, which it denies.