Protecting your SIM card with a PIN

Protecting your SIM card with a PIN

Add another layer of security for HTC Desire 500 by assigning a PIN (personal identification number) to your SIM.

Important: Make sure you have the default SIM PIN provided by your mobile operator before continuing.
  1. Go to Settings, and then tap Security.
  2. Tap Set up SIM card lock, then select Lock SIM card.
  3. Enter the default SIM card PIN, and then tap OK.
  4. To change the SIM card PIN, tap Change SIM PIN.

Restoring a SIM card that has been locked out

If you enter the wrong PIN more times than the maximum number of attempts allowed, your SIM card will become ​“‍PUK-locked.”

You need a PUK code to restore access to HTC Desire 500. Contact your mobile operator for this code.
  1. On the Phone dialer screen, enter the PUK code, and then tap Next.
  2. Enter the new PIN you want to use, and then tap Next.
  3. Enter the new PIN again, and then tap OK.
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