I have a question I hope someone can answer. I did the sd card sideload of the December security update for my ATT note 9. It now lists my current security as December, with the ARL2 patch. I still cannot update. Now I went to ATT and they said that they would warranty out the phone since I cannot update it and it/was stuck on November, now December. First is there any way that they can tell I did the sd card update as opposed to their official update? Second, why would the fix that seems to have worked for some not work for me? I have tried the date change as well as the SD card update, but still tells me my software is up to date. I would appreciate any help, thanks. Lastly, might the install of a non ATT official security patch void my warranty? Any thoughts?