Ensure the previous owner has signed out of iCloud (for iPhones) or Google Accounts (for Android). A factory-reset phone might still be "Activation Locked," making it unusable. Used vs. Refurbished: What’s the Difference? Knowing the difference can save you from a "gamble".
Thinking of buying a used phone? Check these 5 things before you do! buy used mobile phones
To avoid "too good to be true" scams or faulty hardware, follow this essential inspection guide: Ensure the previous owner has signed out of
New phones lose roughly 20–30% of their value the moment they are unboxed. Buying used means the previous owner has already absorbed that initial loss. Key Checklist Before You Buy buy used mobile phones