Lenovo on X: "@itsec_ho Hi! Thank you for reaching us. We also checked our manuals, it supposed to have a SD card slot. In the video, was the Miix 320 detached from
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How to insert or remove the SIM card - idea laptops configured with 3G - Lenovo Support US
How to install the SIM card tray - ThinkPad L15 Gen3 - Lenovo Support CH