Fix the ‘No SIM card: Emergency calls only” problem with these solutions. Restart the device. Soft reset the device. Adjust the SIM card. Manually select the carrier. Change network mode to GSM only. Clean and fix SIM card. Replace SIM card. Use the. 1. Turn off your phone. 2. Locate your SIM card slot: For most smartphones and Moxee Mobile Hotspot: remove the back panel and battery from your phone and you should see a SIM card slot. For iPhones and some other phones: look for the slide-out SIM tray on the top or side of your phone. Insert the tip of a SIM tray tool or a small paper clip to.