Lenovo A3000 Tablet - Manual (Page 6)

Keep the metal surface down for SIM card and SD card.
SIM card for 3G data only.
IdeaTab supports SD card and SIM card extension. To insert an
Step . Open the IdeaTab back cover as shown.
Step . Insert the SD card and SIM card as shown.
Close the back cover.
SD card and SIM card , do the following:
2
1
2
1
SIM2
SIM1
SD
Inserting SD card and SIM card