After updating your device software usingApplication Update, the instructions in the userguide or the helps may not be up to date.To download the available updates, selectOptions > Start update.To unmark updates, scroll to them, and press thescroll key.To view information on an update, select Options >View details.To change the settings, select Options >Settings.SettingsYour device normally has MMS, GPRS, streaming, andmobile internet settings automatically configured,based on your network service providerinformation. You may have settings from yourservice providers already installed in your device, oryou may receive or request the settings from thenetwork service providers as a special message.You can change the general settings in your device,such as language, standby mode, display, andkeypad lock settings. See "Settings", p. 154.Access codesIf you forget any of the access codes, contact yourservice provider.● Personal identification number (PIN) code — Thiscode protects your SIM card againstunauthorised use. The PIN code (4 to 8 digits) isusually supplied with the SIM card. After threeconsecutive incorrect PIN code entries, the codeis blocked, and you need the PUK code to unblockit.● UPIN code — This code may be supplied with theUSIM card. The USIM card is an enhanced versionof the SIM card and is supported by UMTS mobilephones.● PIN2 code — This code (4 to 8 digits) is suppliedwith some SIM cards, and is required to accesssome functions in your device.● Lock code (also known as security code) — Thelock code helps you to protect your deviceagainst unauthorised use. You can create andchange the code, and set the device to requestthe code. Keep the new code secret and in a safeplace separate from your device. If you forget thecode and your device is locked, your device willrequire service and additional charges mayapply. For more information, contact a Nokia Carepoint or your device dealer.● Personal unblocking key (PUK) code and PUK2code — These codes (8 digits) are required to18 Find help
