[ETL]

I've got a Samsung Galaxy SM-T550 Tab A and I cannot find out how to disable the secure boot so I can root it. Can someone help me out?

I'm not really sure what that means, but it sounds like something someone over at the Hillary camp can help you out with. They're experts at this sort of thing.

[Stentor]

Result of a search on XDA Developers. Can't tell you anything about it.

[HELP PLEASE] How To Root Samsung Galaxy Tab A

[Elderberry]

There are several sites that guide you in rooting your device. Here is one : http://www.androidinfotech.com/2016/07/root-samsung-galaxy-galaxy-tab-97-sm.html

[aft_lizard]

http://forum.xda-developers.com/galaxy-tab-a/development/root-samsung-galaxy-tab-9-7-sm-t550-t3126827