Machine Maintenance Procedures 3-7Figure 3-6. micro-SD Card (non-3G SKU)3. Press in Micro-SD card (C) to unlock and remove from spring locking mechanism.(Figure 3-5 and Figure 3-6)4. Secure SIM/Micro-SD card cover.SIM/Micro-SD Card Installation 01. Open SIM/Micro-SD card cover (A). (Figure 3-4)2. Install and press in to secure SIM card (B). (Figure 3-5)3. Install and and press in to secure Micro-SD card (C).4. Close and secure SIM/Micro-SD card cover.C