Hi again Gergy, thanks for your posts. I've had a couple of OTG cables for a while, this is what you suggest. What I tried to do was connect a usb stick with an OTG cable, and from there copy files to the sd card in its slot. No way, the sd card in its slot is read only. I also substituted the usb stick with a portable harddrive, powered via a Y-cable and powered usb hub. The problem is that write permission in android for the sd card has been withdrawn by google. A lot of people are jumping mad about this, some choice language on some of the forums! One can root the tablet and rewrite the script, but from what I've seen, outcomes are a bit variable and there's a real danger of bricking. You void your warranty too. To my mind, if the thing can't write to memory then it's a fair claim for warranty cover. I got onto samsung but they just pointed the finger at google.