Originally Posted by xpto32 View Post
Thanks a lot!!! Mine is T-320, I installed T320XXU1BND3 and the problem is completely gone! I didn't have to wipe. All apps and settings from the original rom remained. No knox trip. Here is the link with intructions, if someone is interested: http://www.sammobile.com/firmwares/3/?download=29095
Bad news. The solution didn't last, after some days the problem went back. I also tried every possible combination in "SGS screen booster" with no luck. Unfortunately I will have to send the tablet to customer supoort.