YOU DO NOT NEED TO REFLASH EVERYTHING AND ERASE IDB!!!!!
When you download the new ROM and run the flash tool, simply uncheck everything except boot.img. You will flash only boot.img. This will not erase your setup or any apps you installed.
However if the unit wont boot, then you need to reflash everything and eraseIDB. I have updated many tabs boot.img without erasing however I noticed one person said the unit never booted past the screen. If that is the case a full flash is required.
Also realize the first boot after a FULL flash is always much longer than normal as the system is setting itself up. So wait at least 3-4 minutes after the boot screen. If it does move on after about 3-4 minutes or so, then it is bricked. However you can always flash back the factory stock ROM and fix it. These tab's are never fully bricked permanently!
Bob
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