do you want to ask what is the reason for adding a 9pro third-party software card? The reason for adding a 9pro third-party software card is that there are many caches. One plus 9pro third-party soft-stuck, which means that the system files have more caches. Restarting the mobile phone regularly (for example, 2-3 days) can effectively clean up the cache and alleviate the phenomenon of stuck.