I tried some commands in adb shell 沈The result is , Unfortunately I loss Camera App 沈 can anyone help me to reinstall that app.i tried reinstall command bu it doesnt work ..plz help me .( prefer solution that without format phone)

I have an Android 6.0.1 Galaxy J2 6 device . Can i Upgrade Android version without rooting (i mean manually ) 梁

梁Plz Can I Know , When Is Reciving Android 12 Update for M02 梁梁