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Samsung FRP Lock Check by IMEI: What It Is and How to Remove It

5 min readUpdated 6/1/2025

Samsung FRP Lock: What It Is, How to Check, and What to Do

Samsung FRP (Factory Reset Protection) lock is a security feature built into Android that prevents unauthorized use of a Samsung device after a factory reset. If you are buying a used Samsung Galaxy phone, FRP lock is one of the most important things to verify — a Google-account-locked Samsung is nearly unusable without the previous owner's credentials.

What Is Samsung FRP Lock?

FRP was introduced in Android 5.1 (Lollipop) as part of Google's anti-theft framework. When you perform a factory reset on a Samsung phone that has a Google account linked, Android requires you to sign in with the same Google account that was on the device before the reset. This is FRP — Factory Reset Protection.

The purpose is to prevent thieves from wiping and reselling stolen Android devices. But it also affects legitimate buyers who receive a phone that wasn't properly signed out.

How FRP Affects Used Samsung Buyers

If the previous owner did not sign out of their Google account before selling and you factory reset the phone, you will encounter the FRP screen during setup. You cannot bypass it without the original Google email and password. The phone is effectively locked.

How to Check if a Samsung Phone Has FRP Lock

  1. Before buying (using IMEI): A premium IMEI check at imeicheckpro.com includes FRP/Google lock status for Samsung devices where this data is available.
  2. Physical check before purchase: Ask the seller to go to Settings → General Management → Reset → Factory Data Reset in your presence. When the setup wizard begins, confirm if it proceeds normally or asks for a Google account sign-in. If it asks for a Google account that isn't the seller's, stop — the device has a foreign FRP lock.
  3. Check Google account in Settings: Ask the seller to show Settings → Accounts and Backup → Accounts. The Google account shown should be the seller's and they should be able to sign into it in front of you.

How to Remove Samsung FRP Lock (Legitimate Methods)

Option 1 — Contact the previous owner: If you know them, ask them to sign in remotely via Google's "Find My Device" and remove their account, or provide their Google credentials for a one-time sign-in.

Option 2 — Samsung Customer Service: With proof of purchase (your receipt), Samsung can bypass FRP in certain circumstances. Visit a Samsung service centre with your receipt, IMEI, and government ID.

Option 3 — Google Account Recovery: If you purchased the phone from someone and have their old email address, Google's account recovery process may work if you can answer security questions or verify recovery phone/email.

Avoid: Third-party "FRP bypass" tools and paid services. Many are malware. Legitimate FRP removal requires either the account credentials or official manufacturer/carrier intervention.

Samsung Knox and FRP — Additional Enterprise Layer

Samsung's Knox security platform adds additional management layers on top of FRP. Samsung Knox Guard is used by carriers and enterprises to remotely lock devices with outstanding payments or policy violations. A Knox-locked device will show "Device locked — Contact your administrator" and cannot be used. Knox Guard lock status is included in premium IMEI checks at imeicheckpro.com.