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Locked out is not a diagnosis: which lock do you have?

7 minute read · beginner

"My phone is locked" is a symptom, not a diagnosis. A forgotten PIN, a carrier SIM lock, an account lock and a stuck eSIM are four separate systems, each controlled by a different authority. Name which one you have before you press anything, because the fix for one does nothing for the others.

The four locks

A screen lock is the PIN, pattern or password that opens the phone. It is local to the device. The manufacturer's official answer, on every modern phone, is an erase. Anything that never left the phone leaves with it.

A carrier lock is a SIM policy. The phone opens fine but refuses another network's SIM. Payoff, account standing and a waiting period decide it — not any button combination.

An account lock is Apple's Activation Lock, Google's Factory Reset Protection, Samsung's Find My Mobile or Xiaomi's Mi Account. It is anti-theft protection working as designed. The account that was on the phone still has to be proven, or the previous owner has to release it.

eSIM trouble is a line-move problem. The phone can be perfectly healthy and still have no service because the carrier profile did not transfer, or the old phone kept the line.

Who controls each one

  1. Screen lock: you, through an erase — and your backup decides how much that costs.
  2. Carrier lock: the carrier that locked the phone, through a request from the account holder.
  3. Account lock: the platform account — Apple, Google, Samsung or Xiaomi — and whoever holds its credentials.
  4. eSIM: your carrier, which can reissue the line to a phone you still control.

A video promising a "bypass" is none of these authorities. It will not get you a phone you can trust.

What a factory reset does not fix

People wipe good phones every week because someone told them to "try a reset". A reset clears the screen lock and the data. That is all it does.

  1. Activation Lock and Google Factory Reset Protection survive the reset on purpose.
  2. A carrier SIM lock is unchanged. It lives with the carrier and the IMEI, and erasing the handset does not pay off an instalment plan.
  3. A lost or stolen flag on the IMEI is unchanged.
  4. A work or school management profile is re-applied during setup.

If you bought the phone used and it asks for someone else's account, a reset brings you straight back to the same question. Do not erase hoping it will go away.

Quick triage

  1. The phone will not open at all: screen lock. Check your backup, then plan an erase.
  2. The phone opens, but a new SIM says "not supported" or asks for a code: carrier lock.
  3. After an erase, setup asks for an Apple Account, Google Account, Samsung Account or Mi Account: account lock.
  4. The phone works but has no service after a switch or an erase: eSIM or line problem — call the carrier.

Stop and get help when

  • Setup asks for an account that is not yours.
  • The IMEI is reported lost or stolen.
  • You are about to erase the phone to fix a carrier or account lock — it will not.

Official route

Match the lock to its authority: Apple or Google account recovery for account locks, the carrier for SIM locks and eSIM lines, the manufacturer's support for the device itself.

Who this is for: You must own the phone or be authorised to manage it.