If you have a dual-SIM phone, slide the second SIM in slot 2. If you have a single-SIM phone, put a nano-SIM card in slot 1 and a memory card in slot 2 on the tray with the contact areas face down. · If the battery is in the phone, lift it out. Back camera 2, 13 MP, f/, Slide the nano-SIM in slot 1 with the contact area face down. If the battery is in the phone, lift it out. If you have a dual-SIM. Insert the cards · Put your fingernail in the back cover opening slot, bend the back cover open, and remove it. ◼️Operating. Put your fingernail in the small slot at the bottom of the phone, lift and remove the cover. SIM card slot; Microphone; Loudspeaker; Flash; Camera; Microphone; Front camera; Volume keys; Power/Lock key; Fingerprint sensor; USB connector. Put your fingernail in the small slot on the bottom left corner of the phone, lift and remove the cover. Internal, GB 6GB RAM. Card slot, microSDXC (uses shared SIM slot). As this Nokia smartphone supports 3G and Wi-Fi connectivity. · Slide the nano-SIM in slot 1 with the contact. Back Camera, 48 MP, f/, (wide), 1/", µm, PDAF. If you have a memory card, slide it in the memory. · Slide the SIM card. The Nokia Lumia has a 5 MP camera with LED flash to capture photos and videos of superb quality. . If you have a memory card, remove the battery, and slide the memory card in the memory card slot. If you have a second SIM, slide it in slot 2. Need more? The Micro SD slot allows expansion up to 1TB. Choose from 8GB, 12GB, or 16GB of RAM and storage options of GB or a whopping GB.