回覆 3# FUNG602
試下原來 Android Studio 個 Device File Explorer 冇得用 adb backup, 而save as可能只允許rooted device
unrooted devices 要執行adb指令backup, 因為好多app都會用online account, data都會上存到server, local入邊有好多folder係空(size 4x bytes), 一般係每個app嘅data做backup:
adb backup -noapk <package_name> -f <path\backup_file_name>


windows嘅PC, adb.exe程式裝咗落 Sdk/platform-tools 個 folder, cmd入去便可執行adb指令
btw, 唔用就最好閂咗usb debug |