In the Prepaid menu, you can activate and deactivate prepaid service, replenish
your prepaid credits, and provide other information requested by the prepaid
service provider.
Select Menu > Prepaid > Code entry mode, IMEI number, SIM serial number,
Phone number, Airtime tank info, Airtime display, or Redeem airtime.
Nokia 2651 User Guide
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Copyright © 2005 Nokia
Reference information
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