Samsung Tab GT: n8000 stuck on Odins Mode
Download this file and flash it with Odin, select AP Slot (2)

N8000XXUDNE4_N8000OXADNE4_DBT\N8000XXUDNE4_N8000OXADNE4_N8000XXUDNE1.tar.md5
Open Odin and click on AP Slot, select the abowe file. The log screen should be like this (3)
Put the tab in download mode and connect it to the computer. Odin will detect the COM Port assigned to the device (1)
Click on Start. 
You'll see a PASS in green.


If the issue is not hardware related,your tab will be alive