The SIM card in your phone holds 02 (two) different security numbers. The first one has usually a 4-8 digit number which is called PIN (Personal identification Number) and the second one is called PUK (Personal Unblocking Key). According to DGPT's policy, the monthly subscription of mobile phone service is of VND 200,200 (VAT included). And one way subscription is of 124,300 VND.

If you enter the wrong PIN code 3 times in a row, your mobile phone asks you for your PUK code. The PUK (Personal Unblocking Key) code is used to unblock your mobile phone. If you enter the wrong PUK code 10 times in a row, your SIM card will remain definitively blocked. In this case, contact Mobistar customer services.

A PUK Code is an 8 digit code that a person must use to unblock his phone. A phone is blocked when a person tries to enter a wrong PIN Code several times in a row. However, if this person repeatedly enters one wrong PUK Code after the other, his CHIPPIE SIM-card will be permanently blocked. This means that he can't use his CHIPPIE SIM-card anymore. He must buy a new CHIPPIE SIM-card.

PUK is an abbreviation for PIN Unblocking Key. Your phone will display this message if a wrong PIN number has been entered more than three times. Take your phone to any Celtel outlet and they will unblock it for you. Click here to find the list. Voicemail is a service that operates automatically when your phone is not answered, out of reach of the signal or switched off. If your phone is not being answered for one of these reasons, Voicemail will automatically ask callers to leave a message.

Ans: PIN - Personal Identification Number (PIN is used to guard against unauthorized use of SIM Card.) PUK - Personal Unblocking Key (PUK 1 is used to unblock PIN 1)

PIN- is necessary for protection from non-sanctioned access to your SIM-card. PIN-code is known to you only and should be entered each time when you switch your phone on. Please remember your PIN-code (or let it be a combination of figures well-known to you that you should enter when switching your phone on for the first time). If you failed to enter your correct PIN code 3 times in succession, SIM-card will be blocked. You can unblock your telephone by PUK code only.

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If your telephone asks PIN-code and you have forgotten it, you will need PUK code. PUK code is indicated on the card-certificate attached to your SIM-card. If you have lost your card-certificate, please call the network 5+ Service Center. After switching your telephone on, “Enter PIN-code” will be displayed. Enter any PIN-code. After you have entered incorrect PIN-code three times, telephone will ask your PUK-code.

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The Personal Unblocking Key (PUK) is an eight-digit code that is required to unblock your phone when you have entered the incorrect PIN ten times. It is located on the back of the SIM cardholder. All phones have a different set of procedures for unblocking and you will need to consult the manual for your GSM mobile phone when this occurs. Should an incorrect PUK be entered ten times in a row, the SIM will be permanently disabled. You may need to purchase a new SIM if yours is disabled.

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We offer the possibility to buyers to narrow their search results according to a partial or complete phone area code and/or postal code. It is better not to leave the postal and phone area code fields blank when placing an ad because they are used by our advanced search filters to narrow a buyer's search.