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KwickClips Computer Systems · 38 sec · free

Why is recovery a security risk?

Short answer. Deleted personal data can be brought back by the next owner.

What should you do before selling a phone?

Encrypt, then factory reset, after taking a backup.

Recovery risk

Software rebuilds deleted files
Buyer sees photos, passwords
Encrypt and factory reset

Remember

Wipe before you sell

Selling your old phone? Wait. Deleted data can come back. Recovery software rebuilds it. A buyer may see your photos. So encrypt, then factory reset. Remember. Wipe before you sell.

This clip is from the full lesson: Units of Memory, Data Deletion and Recovery — 7 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083), CBSE Class 11 Informatics Practices (065), GSEB Std 9 Computer Studies

More KwickClips from this lesson

Voice-over is AI-generated; the script is written and checked by Kajal Ma'am. Confirm anything you plan around against your official board document. We never ask for a password or an OTP.

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