If you’re holding a Motorola KRZR K1m and trying to find its SIM card slot, you might be searching for a while. The short answer is: The K1m does not use a standard, user-accessible SIM card.

If you are trying to activate this phone on a modern GSM network (like T-Mobile or AT&T), you cannot. The K1m is a CDMA device that requires direct programming via the carrier’s system. If you need a SIM card for the K1m, you likely have the wrong phone for your network. Tip for collectors: If you simply want to use this phone for basic calls on a CDMA network that is still active (rare as of 2024), contact the carrier to "flash" the phone. No physical card is required.