How to Get Your Device Identifier (App ID)
When contacting customer support, it is essential to provide your Device Identifier (or App ID). This information is the only way to identify purchases, records, payments, and diagnose issues related to your app installation.
Network Whitelisting
If you use the Expiry Traker app in a corporate environment (such as supermarkets, offices, pharmacies, or factories), the company's Wi-Fi network may have firewalls or blocks that prevent the app from synchronizing data with the server.