Select Menu > Settings > Phone > Phone mgmt. > Factory settings.
You can reset some of the settings to their original values. To do this, you need the lock code, which is 12345 by default unless you have changed it before.
After resetting, the device may take a longer time to power on. Documents and files are unaffected.
The screen is calibrated at the factory. If it is necessary to re-calibrate the screen, select Menu > Settings > Phone > Touch input > Touch screen calibration. Follow the instructions on the screen.
Your device supports wireless local area network (WLAN). With WLAN, you can connect your device to the internet and compatible devices that have WLAN.
To use WLAN, it must be available in the location, and your device must be connected to the WLAN. Some WLANs are protected, and you need an access key from your service provider to connect to them.
Features that use WLAN, or that are allowed to run in the background while using other features, increase the demand on battery power and reduce the battery life.
Your device supports the following WLAN features:
To use WLAN, you must create an internet access point (IAP) for WLAN. Use the access point for applications that need to connect to the internet.
Important: Always enable one of the available encryption methods to increase the security of your wireless LAN connection. Using encryption reduces the risk of unauthorised access to your data.
A WLAN connection is established when you create an application connection using a WLAN internet access point. The active WLAN connection ends when you end the application.
You can use WLAN during a voice call or when packet data is active. You can only be connected to one WLAN access point device at a time but several applications can use the same internet access point.
When the device is in the offline profile, you can still use WLAN (if available) but there may be some limitations with connectivity. It is therefore recommended that online profile is used (requires SIM card in the device) Remember to comply with any applicable safety requirements when establishing and using a WLAN connection.
Tip: To check the unique media access control (MAC) address that identifies your device, enter *#62209526# on the home screen (standby mode).
Start-up tone (welcome tone played when starting up the device) is on by default, to turn it off, open Profiles, select a profile and Options > Personalise > Warning tones > Off.
Applies for Nokia S60 and Symbian^3 devices.
First check that your device date, time and time zone are correct.
Check that your device has a latest software installed via Nokia Suite (or SW Update).
If your device has newest software and time is correct and the phone still gives the same error Certificate expired, the certificate of the application that you are trying to install might have already been expired.
The default code is 12345.
To change the code, select Menu > Tools > Settings > General > Security > Phone and SIM card > Lock code. (Or in some devices, Menu > Settings > Phone > Phone mgmt. > Security settings > Phone and SIM card > Lock code.)
Select Menu > Messaging > Options > SIM messages.
Text messages may be stored on your SIM card. Before you can view SIM messages, you must copy the messages to a folder in the device. After copying the messages to a folder, you can view them in the folder or delete them from the SIM card.
1. Select Options > Mark/Unmark > Mark or Mark all to mark every message.
2. Select Options > Copy.
3. Select a folder and OK to begin copying.
To view SIM card messages, open the folder where you copied the messages, and open a message.
To delete a message from the SIM card, select the message, and press the clear (or backspace) key.
Select Menu > Settings > Calling > Call divert (or Call forwarding).
Call divert allows you to divert incoming calls to your voice mailbox or another phone number. The voice mailbox is a network service, and you may need to subscribe to it. For more information contact your service provider.
To activate call divert, select the call type and then Options > Activate.
To check whether the option is active for a given call type, select Options > Check status.
Several diverting options can be active at the same time. When all calls are diverted, the call divert indicator is displayed in the home screen.
Call barring and call diverting cannot be active at the same time.
To turn off the email alert sound on your Nokia device, follow the steps below:
A maximum of six participants, including yourself, can have a conference call at the same time.
Note: Some network operators might limit the maximum number of participants in a conference call to a smaller number. The exact number of people that you can join into the call depends on the model of the phone.