> For the complete documentation index, see [llms.txt](https://docs.connectedyou.io/knowledge-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.connectedyou.io/knowledge-base/connectedyou-platform/user-guide/bulk-actions/update-user-defined-imei.md).

# Update User-defined IMEI

### Bulk Update User-defined IMEI

To efficiently update user-defined IMEI for multiple SIM Cards, follow these steps:

* Select the **User-Defined IMEI subcategory** from the navigation menu.

<figure><img src="/files/PFewqbIDdA5AWub9Zduz" alt=""><figcaption></figcaption></figure>

* Choose the **Update** action.

<figure><img src="/files/mFKUzGes0nrsiwvJoj5D" alt=""><figcaption></figcaption></figure>

* Click **Next** to proceed.

<figure><img src="/files/RtsH8ljMCGob1DTY0qRJ" alt=""><figcaption></figcaption></figure>

### Uploading User-defined IMEI in Bulk

To upload user-defined IMEI in bulk, follow these steps:

* Download the provided **template**.

<figure><img src="/files/Hl6sCuYYz7iJCKqZZWOB" alt=""><figcaption></figcaption></figure>

* [ ] Open the template and ensure that the headers exactly match the example shown above or download the template for reference.&#x20;
* [ ] All entries in the template should be unique.&#x20;
* [ ] Accepted EID entries should consist of 32 digits.&#x20;
* [ ] Accepted IMEI entries should be either blank or contain greater than 13 digits.&#x20;
* [ ] Duplicate EIDs or IMEIs will not be accepted.

Once you have updated the CSV file with the required details:

* Verify the updated information.&#x20;
* Click **Upload**.

<figure><img src="/files/QlE4M3bMiUZmpmfTYfBB" alt=""><figcaption></figcaption></figure>

The system will process the data, which may take a few seconds.

<figure><img src="/files/xFn8R9xO769g6QOuPLfU" alt=""><figcaption></figcaption></figure>

#### You will receive a confirmation once the User IMEI is updated.&#x20;

You will receive an email notification on your registered email address. This email will provide a detailed summary of the status of your action, such as "File upload complete - Update user defined IMEI".

<figure><img src="/files/Y8K4j3SaJuHhGP58P0rr" alt=""><figcaption></figcaption></figure>

It ensures that you stay informed about the progress and outcome of your requested action.

To cross-verify the IMEI operation, you can navigate to the SIM/eSIMs section and search using the EID.&#x20;