AT Command Set - Olitec

4.35.1 What to do if PIN or password authentication fails?PIN1 / PUK1: After three failures to enter PIN 1, the SIM card is blocked (except for emergencycalls). To unblock the SIM card, the client needs to enter the associated PUK (= PINUnblocking Key / Personal Unblocking Key). After ten failed attempts to enter thePUK, the SIM card will be invalidated and no longer operable. In such a case, the cardneeds to be replaced.To unblock a disabled PIN1, use the AT+CPIN command and enter the PUK whenprompted by the response +CME ERROR: 12. Alternatively, you can use the ATDcommand followed by the GSM code **05*PUK*newPIN*newPIN#.PIN2 / PUK2: PIN2 prevents unauthorized access to the features listed in Chapter 4.36. The handlingof PIN2 varies with the provider. PIN2 may either be a specific code suppliedalong with an associated PUK2, or a default code such as 0000. In either case, theclient is advised to replace it with an individual code. Incorrect input of PUK2 will permanentlyblock the additional features subject to PIN2 authentification, but usually hasno affect on PIN1.To unblock a disabled PIN2, use the AT+CPIN command and enter the PUK2 whenprompted by the response +CPIN: SIM PUK2 or after the equivalent error code: +CMEERROR: 18 was returned. Alternatively, you can use the ATD command followed bythe GSM code **052*PUK*newPIN*newPIN#.Phone lock:If the mobile was locked to a specific SIM card (= "PS" lock or phone lock), the PUKthat came with the SIM card cannot be used to remove the lock. After three failed attemptsto enter the correct password, ME returns +CPIN: PH-SIM PUK (= response toread command AT+CPIN?), i.e. it is now waiting for the Master Phone Code. This isan 8-digit device code associated to the IMEI number of the mobile which can only byobtained from the manufacturer or provider. When needed, contact your local dealerand request the Master Phone Code of the specific module.There are three ways to enter the Master Phone code:• You can send the it with ATD followed by *#0003*# .• You can enter the Master Phone Code when prompted after input ofAT+CPIN. For instructions see the examples provided in Chapter 4.21.2).• As an alternative, you can use the AT+CPWD command and specify a newpassword for ="PS". To do so, enter the Master Phone Code for followed by , where may be the former disabled"PS" password or a new one (see examples in Chapters 4.21.2 and4.38).Usually, the Master Phone Code will be supplied by mail or e-mail. If the receivednumber is enclosed in the *# codes typically used for the ATD option, it is important tocrop the preceding *#0003* characters and the appended #.Example: You may be given the string *#0003*12345678#. When promptedfor the PH-SIM PUK simply enter 12345678.If incorrectly input, the Master Phone Code is governed by a specific timing algorithm:(n-1)*256 seconds (see table below). The timing should be considered by system integratorswhen designing an individual MMI.Table 9: Timing algorithm of incorrect password inputNumber of failed attemptsTime to wait before next input is allowed1 st failed attempt No time to wait2 nd failed attempt 4 seconds3 rd failed attempt 3 * 256 seconds4 th failed attempt 4 * 256 seconds5 th failed attempt 5 * 256 seconds6 th failed attempt and so forth 6 * 256 seconds and so forthPage 112 of 207