---
title: What to do if the App Activation QR is not Working?
description: This is a Frequently asked question. Learn what to do if the app activation process using QR code on droplet lab contact angle and surface tension app fails with this post.
url: "https://dropletlab.com/knowledge-doc/what-to-do-if-the-app-activation-qr-is-not-working/"
updated: "2025-07-17"
category: "Educational Resources for Surface Science Instruments & Measurements / Troubleshooting"
---

# What to do if the App Activation QR is not Working?

In case the app activation QR code does not work:

1. Make sure that the device has an active internet connection.
2. If the problem still persists, contact Droplet Lab support at **support@dropletlab.com** for assistance.