How to Unlock Your iPhone When It Says "Insert SIM Card With No Pin Lock to Activate iPhone"

Written by robert schrader
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How to Unlock Your iPhone When It Says "Insert SIM Card With No Pin Lock to Activate iPhone"
Unlocking AT&T; SIM iPhone made easy. (ponsulak/iStock/Getty Images)

Unlocking an iPhone modifies the device so it can be used with any SIM card. If inserting a SIM card into the device produces an "Insert SIM card with no PIN lock" error, the unlock was performed incorrectly. Re-insert the AT&T SIM into the iPhone if you don't want to void its warranty or your AT&T agreement.

Skill level:
Easy

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Things you need

  • Paper clip
  • AT&T SIM card

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Instructions

  1. 1

    Disconnect the iPhone from iTunes. Push the end of a paper clip into the hole next to the iPhone's SIM tray and push it in.

  2. 2

    Remove the SIM tray from the iPhone. Push out the third-party SIM card and set it aside for later use.

  3. 3

    Insert an AT&T SIM card facedown. Replace the SIM card and press it back in. Wait for AT&T's name to reappear in the upper left corner of the screen.

Tips and warnings

  • If a Verizon iPhone displays an "Insert SIM Card" error of any kind, discard it. Verizon iPhones use CDMA technology, and doesn't use a SIM card.

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