[UNOFFICIAL BUILD] Samsung Galaxy Tab Pro for /e/OS-R

Hello @Sevve, welcome to this Forum.

Have you got latest stock firmware running ?

Try multiples reboot…

Also, you may install :
sm-t900-sm-t520-v2awifi-n2awifi-unofficial-e-os-v1-17-q-android-10-0-q
from :
[LIST] /e/OS Supported Tablets

.