Can Oppo F5 (6GB/128) running Android 7.1.1 as it's old android few Bank & Other Apps Not working.
Is there any way that can upgrade/update Oppo F5 (6GB/128) to Android 9 or above or latest version, so can let Bank app to run?
Even if you root your phone to load a custom ROM onto it, most banking apps will still not work, as they will detect the phone as modified/rooted. In this case, your only option would be to upgrade the phone.