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Security settings
Security settings
Assigning a PIN to the micro SIM or nano SIM card
You can help to protect the micro SIM or nano SIM card by assigning a Personal Identification
Number (PIN).
Make sure you have the default PIN provided by your mobile operator before continuing.
1. From the Home screen, tap
2. Tap Set up SIM card lock.
3. Switch to the tab of the card you want to assign a new PIN to.
4. Turn on the Lock SIM card On/Off switch, enter the default PIN of the card, and then tap
OK.
5. To change the card PIN, tap Change SIM PIN.
Restoring a micro SIM or nano SIM card that has been locked out
If you enter the wrong PIN more times than the maximum number of attempts allowed, the card
will become "PUK-locked."
You need a Pin Unlock Key (PUK) code to restore access to HTC Desire 650 dual sim. 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.
Setting a screen lock
Help protect your personal information and help prevent others from using HTC Desire 650 dual
sim without your permission.
Choose to set a screen lock pattern, numeric PIN, or other means of locking your phone. You'll be
asked to unlock the screen every time HTC Desire 650 dual sim is turned on or when it's idle for a
certain period of time.
1. From the Home screen, tap
2. Tap Screen lock.
Settings Security.
Settings Security.
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