The unlocked Samsung Galaxy S9 and Galaxy S9 Plus receiving Android Pie update in the US The unlocked models of the Galaxy S9 and Galaxy S9 Plus are now being updated to Android Pie in the US. Samsung has taken its sweet time to release the update for the unlocked models, as carrier-locked devices started getting Pie three weeks back. But the wait has finally ended, with multiple reports of the update being available on unlocked units in the last couple of hours. The nearly 1.8GB Pie update comes with the January 2019 security patch