To get the SD card out of the slot, push the card in and then the spring mechanism will release it. To insert SD card to TS3 Plus, gently push it into the reader until the SD card is past flush and you hear a click. Check the orientation of the card before reinserting it.
If the SD memory card is hard to insert, it may be reversed or upside-down.
The SD memory card or adapter must be inserted with the correct side facing the SD card slot. Make sure that the card has been inserted into the adaptor before plugged into TS3 Plus. The TS3 Plus’ SD Card slot will not work properly if only the miniSD/microSD is installed. When using miniSD/microSD cards with TS3 Plus, always install the adaptor specially designed for miniSD/microSD cards. It also supports high density memory cards (Capacity up to 2TB), such as SDXC, ultra high speed memory cards, SD3.0 UHS-I and SD4.0 UHS-II card. TS3 Plus can support various types of memory cards, such as Secure Digital™ (SD), SDHC, miniSD and microSD (T-Flash), MultiMediaCard TM (MMC), RS-MMC, MMCmicro and MMCmobile.