Huawei's lock screens unexpectedly turn into advertisements
 

According to Huawei users on Twitter, ads for the hotel reservation site Booking.com are popping up on the lock screen of some Huawei smartphones. As Android Police reports, the ads seem to appear on devices using the preinstalled landscape wallpaper...

https://www.engadget.com/2019/06/13/...n-ads-booking/