How to format your SD (Secure Digital) Card?

With the SD card inserted into your Android device, open Settings.
Tap on Device care.
Tap on Storage, then tap on Advanced.
Look for your SD card underneath the Portable storage header.
Tap on Format. In the pop-up that appears, tap on Format SD card

Please note that if you do not wish to loose the data on your SD card you should avoid formatting your SD Card.
How to move apps to an SD (Secure Digital) Card?

• Open the Settings app.
  
• Go into Apps.
  
• Access the app you want to move to the SD card.
  
• Select Storage.
  
• If the app supports the feature, you will see an option called Storage used.
  
• Select the SD card.
  
• Tap on Move.
  
• The phone will transfer the files.

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