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Yes. A factory reset erases all your personal information and restores the phone to its original settings.

Absolutely. Take out your SIM card and microSD card before handing over the phone to avoid data leaks.

Yes. Wipe the screen and body with a microfiber cloth. A clean device looks newer and fetches better offers.

Check the battery health, screen quality, buttons, speakers, and cameras. Fixing small issues can boost resale price.

If your phone is carrier-locked, consider unlocking it. An unlocked phone usually sells for a higher price.

For Android: Go to Settings → Accounts → Google → Remove Account. For iPhone: Sign out from iCloud & Apple ID under Settings.

If possible, include the original box, charger, cable, and earphones. This increases trust and resale value.