For the administration of Telefonica SIM cards, you need:

1. Login to the Telefonica IoT portal with your personal credentials:

The Portal is available under the link: https://kiteplatform-globalsolutions.telefonica.com/#/

2. Select SIM inventory:

3. Select all SIM cards whose status you need to change:

and write numbers one by one using a comma as a separator

214074306008045,214074306008049

It allows filtering SIM cards from a list of identifiers (ICC or IMSI or MSISDN) contained in a file.

This file must contain a single column of identifiers determined by the header title, which may be "ICC", "msisdn" or "imsi".

4. Use the "Change" button to change SIM cards settings

5. Select Change life cycle status

6. Select needed status:

For Activation - Activated

For temporary deactivation - Deactivated

More info about Telefonica SIm cards states can be found: Telefonica SIM cards states