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TThese directions are for an AT and T phone, but other than that, are the same for any carrier. A PUK (PIN Unlock Key) code is required to unlock SIM cards that have become locked following three successive incorrect PIN entries. If your SIM card becomes locked, you will need to get a PUK code from your phone carrier to unlock your SIM card. You can obtain your phone's PUK code from your carrier in one of these ways: Log in to Your account.online Use a Technical Support Chat Contact your carriers Customer Care Get Your Phone's PUK Code Online Go to the Phone/Device page. From the My Phone/Device screen, select the Unblock SIM Card link under the My Make & Model heading. The Unblock SIM screen will display your PUK code and will give you instructions for unblocking your SIM Card. Once you receive your PUK code, you will need to enter it into your phone to set a new PIN code. Note: If you enter the wrong PUK code 10 times in a row, your SIM card will be invalidated, and you will need to purchase a new SIM Card. The phone will display the following error: "PUK blocked call operator
What Pin Code,If you need Security Pin code means You can get that from service provider,If You need Network Unlock code means You can get that at here http://www.mobileunlocksolutions.com/samsung-tocco-ultra/rs1wp9/ and Unlock the Samsung Tocco Ultra From Network Lock....
here is some info on PUK codes:
try taking battery and SIM out waiting 15 seconds and powering cell back on.
In your case I believe your SIM is now FROZEN or locked. You mostlikely will need to purchase a new SIM card.
A
PUK code (Pin Unlock Key) is required when you enter an incorrect PIN 3
times. After entering the wrong PIN 3 times, the card will be locked and
you will need to get a PUK code from your service provider to unlock it.
If the wrong PUK code is entered ten
times in a row, the SIM card becomes invalid and you will need to purchase a new SIM Card. The phone will display
"PUK blocked call operator".
If you are looking for PUK then you will have to contact the helpline of your service provider as PUK falls within their domain. PUK and PIN both are provided by the service provider.
With working sim in phone, go to keypad and enter *2767*3855# and wait,
this will fully reset phone so ensure you back up anything on it first,
during repowering up remove battery and insert sim from other network
then turn back on, phone should now be sim lock free. As always this is
at your own risk.This will likely work with other Samsung phones
With working sim in phone, go to keypad and enter *2767*3855# and wait, this will fully reset phone so ensure you back up anything on it first, during repowering up remove battery and insert sim from other network then turn back on, phone should now be sim lock free. As always this is at your own risk.This will likely work with other Samsung phones
you can enter the hard reset code but that will delete everything on the
phone the code is *2767*3855# i haven't been able to find the password
reset for the F48. The default code for the Samsung F480 is 12345678
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