Replacement SIM card reader for Samsung Galaxy Tab A7 10.4" (T505 / T507 / 2020). If the SIM card reader is broken or damaged, it can be replaced with a new one. This SIM card reader for the Samsung Galaxy Tab A7 10.4 Plus makes it easy to insert the SIM card into the device for a good connection. This replacement part is designed to work perfectly with the Samsung Galaxy Tab A7 10.4. To open the SIM card tray on your device, insert a pin or SIM eject tool into the hole next to the tray.