Click the icon. The log window at the bottom should display your device's IMEI and current lock status. Perform the Unlock : Log in to your account under the "Server" tab. Go to the Unlocking tab and click Unlock . Wait for the "Successfully unlocked" message in the log. Alternative: Unlocker for Windows Files
Ensure all other management software (like official dashboard apps for the modem) is completely closed to avoid port conflicts. : Download Unlocker Client 1374 [Full 2017]
Before proceeding, ensure you have the necessary credits or a supported user account, as many operations with this tool are not free. : Click the icon
: If a program is actively holding the file, click Kill Process or Unlock All to force release the lock. Unlock Locked Files With Unlocker Go to the Unlocking tab and click Unlock
Extract the ZIP file and run the executable. Note that many antivirus programs may flag such tools as "Potentially Unwanted Programs" (PUPs), so you may need to add an exception. :