how to use ADB
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1. The "First Check" Commands
adb devices — Confirms your phone is connected.
adb shell getprop ro.product.model — Confirms it sees your "SM-***".
2. Force Restart & Recovery (If frozen)
Normal Reboot: adb reboot
To Recovery Mode: adb reboot recovery (Use this to wipe cache).
To Download Mode: adb reboot download (For official Samsung firmware flashing).
3. Emergency "Kill Switches" (Security)
Total Blackout (Airplane Mode ON): adb shell cmd connectivity airplane-mode enable
Turn OFF Wi-Fi: adb shell svc wifi disable
Turn OFF Bluetooth: adb shell cmd bluetooth_manager disable
Turn OFF Mobile Data: adb shell svc data disable
4. App & File Management
Install an App: adb install appname.apk
adb shell pm uninstall -k --user 0 com.discord
List all Apps: adb shell pm list packages
Pull file from phone: adb pull /sdcard/filename.ext
Push file to phone: adb push filename.ext /sdcard/
5. Advanced Troubleshooting
Take Screenshot: adb shell screencap -p /sdcard/screen.png
Record Screen: adb shell screenrecord /sdcard/demo.mp4
Check Battery Health: adb shell dumpsys battery