The error is not always software-related. A faulty USB SIM card reader, outdated drivers, or improper power delivery to the SIM card (especially in adapter-based setups) can interrupt the SELECT and READ BINARY commands.
These tools handle modern encryption better than legacy SimSync versions (especially SimSync v1.x and v2.x, which are now over a decade old). simsync could not retrieve account
: Ensure that uPnP (Universal Plug and Play) is enabled in your router settings. This allows SimSync to automatically open the necessary ports for a connection. Troubleshooting the EA App & Account Sync The error is not always software-related
If these commands succeed, then SimSync’s automation is broken — update or reinstall the software. If they fail, your SIM card is either locked or defective. : Ensure that uPnP (Universal Plug and Play)
: SimSync requires an open networking connection to function. You may need to manually allow the SimSync server (often listed as "Open JDK Runtime" or java.exe ) through your firewall.
Modern SIM cards (especially 4G/5G USIM cards) have enhanced security. Many carriers now lock the (Location Information) and EF_PSLOCI files. If SimSync cannot read these, it will fail to retrieve the account.