Here’s how to enable adoptable storage ( SD card as an internal storage ) on your LG device with Android 6.0 Marshmallow. It’s really simple:

Enable USB debugging in your smart phone. To enable it, go to SETTINGS select DEVELOPER OPTIONS and check on USB Debugging

Download this SDK file .

https://drive.google.com/open?id=0B1nan93XP24OQ241...

Once downloaded, right-click on adb-setup-1.4.3.exe and choose “Run as Administrator”.



Press Y to “install ADB and Fastboot”, Y all users and Y to install the necessary drivers.

Then Allow to install the Google device driver.

OPEN COMMAND PROMPT on your PC



Navigate to SDK Folder (( C:\adb )) and open Command Prompt

(Shift + Right-click anywhere in the folder > Open Command Prompt Here).

Type this command and hit enter.

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adb devices

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You should now see your device listed .

Type the following commands exactly as shown, pressing the ENTER key after each one:

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adb shell sm list-disks

adb shell sm list-volumes all

adb shell sm set-force-adoptable true

adb shell sm partition disk:179,64 private

adb shell sm set-force-adoptable false

adb shell sm list-volumes all

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NOTE: the fourth command partitions your SD card, and may take 2-3 minutes (or longer) to complete, depending on the size of your card. plus make sure you have a reliable and fast SD Card.

Disconnect your phone from the USB cable and reboot it. The reboot is crucial. Your phone may (or may not) take a bit longer to boot this time.

Once your phone is fully booted, tap Settings > Developer Options and disable USB Debugging, clicking “OK” to any messages that may appear.

Go to Settings > Storage & USB and tap your SD card. Tap the three dots in the upper-right corner and choose “Migrate data”:

Done

O'Rami