refresh your Android gear to the latest version immediately.
confirm you update yourAndroiddevice to thelatest security patchas soon as possible.
There are three critical bugs it addresses (and four more less critical ones, as well).

Wikimedia
These allow remote attackers access to your gadget’s mediacodecs.
That includesiOS, Android,Windows,macOS,Linux, and all of your smart home devices.
There’s no reason not to do it.
Via:Forbes