Red Magic 11 Pro (NX809J) contains a vulnerability that allows non-privileged applications to trigger sensitive operations. The vulnerability stems from the lack of validation for applications accessing the service interface. Exploiting this vulnerability, an attacker can write files to specific partitions and set writable system properties.
https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/8224335890517684583