> ## Documentation Index
> Fetch the complete documentation index at: https://docs.hologram.io/llms.txt
> Use this file to discover all available pages before exploring further.

# SIM Status tab

> This view of a single SIM provides an overview of the SIM's current connectivity, status, last known session details, last known location, and data usage for the SIM's current billing period.

## Status card

An overview of the connectivity status of a SIM. It displays a path of connectivity to illustrate how a SIM connects to the internet and where communication for various status changes take place. Click to copy device, SIM, and enabled profile (link) IDs from this card.

<img src="https://mintcdn.com/hologram-b29df2a6/gBXuuJ66IPyI_nhw/images/sims/sim-status-card-connected.webp?fit=max&auto=format&n=gBXuuJ66IPyI_nhw&q=85&s=c9456c6462814bd8948d7f5449842da8" alt="SIM connection status" width="2208" height="500" data-path="images/sims/sim-status-card-connected.webp" />

<Accordion title="Field descriptions">
  <ResponseField name="SIM status">
    The SIM's current status and description.
  </ResponseField>

  <ResponseField name="Your device">
    Displays the customer device ID. Click to copy to clipboard.
  </ResponseField>

  <ResponseField name="Hologram SIM">
    Displays the Hologram SIM ID. Click to copy to clipboard.
  </ResponseField>

  <ResponseField name="Mobile core operator">
    Displays the profile name of the mobile core operator. Hover to view and copy profile (link) ID for the profile.
  </ResponseField>

  <ResponseField name="Internet">
    Represents the SIM's connection to the internet.
  </ResponseField>
</Accordion>

## Last connection card

An overview of the last known session information for a SIM, as provided by the network and carrier. You can find open session details, location information, and information about reporting windows and the APN required for your device to connect. Note that not every network, carrier, or session provides information like IMEI, location, or ongoing data usage for open sessions.

<img src="https://mintcdn.com/hologram-b29df2a6/gBXuuJ66IPyI_nhw/images/sims/sim-status-recent-connection-panel.webp?fit=max&auto=format&n=gBXuuJ66IPyI_nhw&q=85&s=e2b48fa4c1391abf98c7cb4cbc5d7fe5" alt="SIM last connection card" width="2088" height="1611" data-path="images/sims/sim-status-recent-connection-panel.webp" />

<Accordion title="Field descriptions">
  <ResponseField name="Last seen">
    Relative time since the SIM's last closed session or the start of its current open session. This matches the Last active column in the SIMs pages. For SIMs configured with pre-deployment testing, this session may have occurred during Test Mode.
  </ResponseField>

  <ResponseField name="Data usage">
    Summarizes total data usage for the last closed session.
  </ResponseField>

  <ResponseField name="Type">
    Displays only for reporting windows for carriers that return timed blocks of data usage rather than individual sessions.
  </ResponseField>

  <ResponseField name="Start and end time, and duration">
    UTC timestamps of the last closed session, and how long it lasted.
  </ResponseField>

  <ResponseField name="Network">
    The cellular network the SIM last connected to in a data session.
  </ResponseField>

  <ResponseField name="RAT">
    Radio Access Technology for the last closed session (e.g., 3G, 4G LTE).
  </ResponseField>

  <ResponseField name="Country">
    Country in which the last closed session occurred.
  </ResponseField>

  <ResponseField name="Tower location">
    Approximate crowdsourced latitude/longitude of the cell tower the SIM connected to, if available.
  </ResponseField>

  <ResponseField name="Cell tower ID">
    ID of the network cell tower the SIM connected to, if provided by a network.
  </ResponseField>

  <ResponseField name="Map">
    Map of the latitude/longitude of the last known connection if known. Click to view in Google Maps.
  </ResponseField>

  <ResponseField name="Required device APN">
    APN(s) required for device configuration, as determined by the SIM's installed profiles.
  </ResponseField>

  <ResponseField name="Enabled profile">
    The name and ICCID of the currently enabled connectivity profile a SIM can use data through.
  </ResponseField>
</Accordion>

## Usage this billing period card

An overview of the data usage for the SIM's current billing period.

If your account uses prepaid self-service billing, SIMs use data and are billed on a 30-day billing period beginning when the SIM was activated. If your account uses invoiced monthly billing, SIMs use data and are billed monthly. Data plan included data and data limits always apply to each SIM's unique 30-day billing period.

<img src="https://mintcdn.com/hologram-b29df2a6/gBXuuJ66IPyI_nhw/images/sims/sim-usage-this-billing-period-card.png?fit=max&auto=format&n=gBXuuJ66IPyI_nhw&q=85&s=19d4d422777abf9a3bc390989f4d10d1" alt="SIM usage this billing period card" width="2208" height="290" data-path="images/sims/sim-usage-this-billing-period-card.png" />

<Accordion title="Field descriptions">
  <ResponseField name="Data usage">
    Total data usage for this SIM's current billing period.
  </ResponseField>

  <ResponseField name="Included data">
    The amount of data included in the SIM's current data plan, and the data usage limit if set.
  </ResponseField>

  <ResponseField name="Outbound SMS limit">
    The SIM's current outbound SMS count and SMS limit.
  </ResponseField>

  <ResponseField name="Billing period">
    The SIM's current billing period. This is every 30 days for prepaid organizations, and monthly for postpaid organizations.
  </ResponseField>
</Accordion>

SIMs in Test Mode configured for pre-deployment testing use data over their testing period and automatically activate after their testing period ends, using 100 KB of data, or sending 10 outbound SMS messages, whichever comes first.

<Info>
  **Limited access:** Learn more about Test Mode and streamline your deployments by contacting our [sales team](https://www.hologram.io/contact-sales?utm_source=docs\&utm_medium=website\&utm_content=test_mode_callout).
</Info>

<Accordion title="Test Mode fields">
  <ResponseField name="Data usage">
    Lifetime test data usage for this SIM, and the threshold of data usage at which it will automatically activate.
  </ResponseField>

  <ResponseField name="Included data">
    The SIM's current data usage against the free 100 KB it can use before activating.
  </ResponseField>

  <ResponseField name="Outbound SMS limit">
    Total number of outbound SMS the SIM can use before activating.
  </ResponseField>

  <ResponseField name="Target activation date">
    The date at which the SIM will automatically activate if it has not reached its data or outbound SMS limits.
  </ResponseField>
</Accordion>