STEP 2: Remove the SIM door. - IBR600C - E300 - COR-IBR600C-Series-Quick-Start-Guide/STEP-2-Remove-the-SIM-door.
IBR600C Series Router Quick Start Guide
ft:locale
en-US
ft:sourceName
Paligo_Prod
Document Type
Quick Start Guide
Unscrew and remove the SIM cover from the router.