I have a android app installed, which apk I got from developer official website. Its basically a chinese version of uber(much more popular here in beijing). As any free and chinese app it is packed with ads, most notably, a full screen ad when opening the app.
I gave the app no permissions to access shared files and device identifying info, this are also the only two permissions it requires. Yet somehow this app keeps on saving ads pictures onto my phone and I keep seing them every time I open pictures!
So can anybody explain why is this happening? I thought the shared files permission if denied totally block any app from changing/saving/accesing/etc anything on flash.!?
Thanks for replies
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