Because Adobe stopped releasing security patches in 2017, opening a malicious PDF with Reader XI is like leaving your front door open. Hackers have a library of known exploits for this specific version.
Xiaomi Miui Hellas
The official community of Xiaomi, MIUI and HyperOS in Greece.
About us
We are the official Fan Club (community) of Xiaomi and Miui / HyperOS in Greece.
We wish you a good stay in our community.