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Is It Safe to Sell Your Phone Online?

Updated June 2026 · 5 min read

Selling a phone online is safe — if you prepare it properly and choose a buyer that takes data seriously. Here's how to protect your privacy and avoid the common mistakes.

Wipe it the right way

Back up, sign out of your accounts (this removes Activation Lock on iPhone and FRP on Android), remove your SIM, then factory reset. See our guides for iPhone and Android.

Choose a buyer that certifies erasure

Reputable buyers re-wipe every device to a recognized standard (NIST 800-88) and can issue a Certificate of Data Erasure. BuyBackBear does this free on every device — so you have written proof your data is gone.

Watch for red flags

Avoid buyers with patterns of 'high quote, low payout', no clear revised-offer policy, or gift-card-only payments dressed up as cash. Prefer companies that show photo evidence on downgrades and offer free returns.

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Frequently asked questions

What data is left after a factory reset?+

On modern encrypted phones, effectively none after a proper reset. We re-wipe to NIST 800-88 to be certain and certify it.

Should I remove my SIM before shipping?+

Yes, always remove your SIM and any SD card — they're the most commonly forgotten items.