Nokia 2720 Cell Phone User Manual


 
Get started
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three times in succession, you are asked for the PUK or PUK2 code. If you do not
have them, contact your service provider.
The module PIN is required to access the information in the security module of your
SIM card. The signing PIN may be required for the digital signature. The restrictions
password is required when using the call restriction service.
To define how your device uses the access codes and security settings, select Menu
> Settings > Security.
Enhancements, batteries, and chargers
Check the model number of any charger before use with this device. This device is
intended for use when supplied with power from the AC-3U charger.
Warning: Use only batteries, chargers, and enhancements approved by
Nokia for use with this particular model. The use of any other types may
invalidate any approval or warranty, and may be dangerous.
For availability of approved enhancements, please contact your dealer. When you
disconnect the power cord of any enhancement, grasp and pull the plug, not the
cord.
1. Get started
Insert the SIM card and battery
Always switch the device off and disconnect the charger before removing the
battery.
This device is intended for use with the BL-4CT battery. Always use original Nokia
batteries. See "Nokia battery authentication guidelines” p. 47.