U221 012 — Download

To see if you already have the "u221 012" (or similar) build installed: Go to > About phone > Software information . Build number . For the Galaxy A12

If you are unable to update wirelessly (OTA), you can use official desktop tools: Download u221 012

, common recent builds include versions like SP1A.210812.016.A125USQS9CXJ8 . To see if you already have the "u221

: Tap Download and install (or Check for updates depending on your carrier). you can use official desktop tools:

: Always ensure your device has at least 50% battery life and is connected to Wi-Fi before starting a download to avoid data charges or power interruptions. Update your Samsung Galaxy device's software | Samsung US

: Swipe up to access your apps and tap on the Settings icon.