IPP320/IPP350 Credit Card Processing

The connectivity issues affecting Ingenico IPP320, IPP350, and ICMP card readers in the Lightspeed S-Series Retail POS app have been fully resolved.

Version 9.0.1 of the S-Series app, now available in the Apple App Store, includes a permanent fix for this issue. Merchants who update to this version should no longer experience connectivity issues.

Please refer to the following guide for step-by-step instructions on updating the app and completing the process:
https://shopkeep-support.lightspeedhq.com/support/troubleshooting/workaround-ipp320-350-icmp-connection-issue

We’re pleased to announce that Lightspeed’s S-Series Retail POS app (version 9.0.0) is now available in the Apple App Store. This update includes a permanent fix for merchants experiencing connectivity issues with Ingenico IPP320, IPP350, or ICMP card readers.

To ensure a smooth update process, please follow the step-by-step instructions, which cover both the required workaround and how to install the new version of the Lightspeed S-Series app here: https://shopkeep-support.lightspeedhq.com/support/troubleshooting/workaround-ipp320-350-icmp-connection-issue

A new release (S-Series Retail POS Version 9.0.0) is being prepared for merchants experiencing connectivity issues with Ingenico IPP320, IPP350, or ICMP card readers.

To apply the update, you’ll first need to implement the existing workaround steps, which enable your credit card reader to connect to the Lightspeed S‑Series app. After that, the permanent update will automatically deploy and the terminal will reboot to apply changes.

Workaround Step‑by‑step instructions are available here: [https://shopkeep-support.lightspeedhq.com/support/troubleshooting/workaround-ipp320-350-icmp-connection-issue]

We’ve identified a temporary workaround for S‑Series merchants experiencing connectivity issues with Ingenico IPP320 and IPP350 card readers. A step‑by‑step email with instructions has been sent to all impacted accounts.

You can also view these steps directly at (https://shopkeep-support.lightspeedhq.com/support/troubleshooting/workaround-ipp320-350-icmp-connection-issue)

If you do not see an email addressing this workaround, please contact our Customer Support team at Support@Shopkeep.com or chat in directly from your S-Series Backoffice.

Please note: This is not a permanent fix. Our engineering team is actively working on a long‑term resolution.

Thank you for your patience and understanding.

We have identified the issue impacting the connectivity of Ingenico IPP320 and IPP350 credit card readers and are working to resolve this as soon as possible. Please subscribe to this page for further status updates.

We are continuing to investigate Lightspeed S-Series accounts using the Ingenico ICMP, IPP320, and IPP350 that are reporting an inability to connect hardware, impacting the ability to process credit card payments. Please subscribe to updates on this page for new information as we uncover it.

Some Lightspeed S-Series accounts using the Ingenico ICMP, IPP320, and IPP350 are reporting an inability to connect hardware, impacting the ability to process credit card payments. We are investigating the issue and its potential cause(s). Please subscribe to updates on this page for new information as we uncover it.