: Enter *#0*# in the dialer to open the hardware test menu. Use this to verify the display, sensors, vibration, and speakers are working.
: Remove screen locks, PINs, or fingerprint security. 3. Hardware Inspection and Cleaning A functional, clean phone typically fetches a higher price: samsung galaxy s5 buy back
: Locate the original box and accessories if you still have them, as some buyers may offer more for a complete set. 4. Remove Physical Storage Don't forget the physical items hidden inside the device: : Enter *#0*# in the dialer to open the hardware test menu
: Open the back cover using the notch at the top and remove your SIM card and any microSD cards. Remove Physical Storage Don't forget the physical items
This is the final step to erase all personal data from the internal storage: Go to . Select Backup and reset . Tap Factory data reset . Select Reset device and then Erase everything .