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
.
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
.