Mobile privacy issues, I have truly experienced the matter of a single data cable on Android phones. If your case is big enough and the money is sufficient, you don't even need a data cable.

In China, all underlying systems of phones have "anti-fraud" built-in.
Using Android for crypto, Hong Kong, and US stocks is fine because the level of built-in security varies, but if you're already playing in these areas, I really can't understand why you'd still want Huawei.
iPhone has come this far over the years, and global sales figures don't lie.
Backdoors, data submission, and other issues—check out technical articles for answers.