Huawei has gotten quite a bit of bad press in recent days, and its latest PR nightmare is a strange one. Users around the world started complaining after advertisements began quietly showing up on their lockscreens as default photos. While other smartphones may come with beautiful landscape photos as default wallpapers, users of Huawei’s smartphones, including the new P30 Pro, are reporting default lockscreen photos with the logo for Booking.com obnoxiously displayed across them accompanied by an offer for 15%…