A lot of US carriers provide the OS updates with branding and junkware rather than the device manufacturer. Also for others concerned about privacy, your carri

A lot of US carriers provide the OS updates with branding and junkware rather than the device manufacturer. Also for others concerned about privacy, your carrier can push applets onto the SIM card itself which can do a lot. Malicious actors in the past have exploited devices via applets such as Simjacker and WIBattack