@Adams999
Try to deselect Autoreboot and select F. Reset Time. If this in not working, download the. img file and flash it with Flashify ( if you have root) or flash with odin an old recovery and after that you can directy update the recovery with. zip file or with odin.
Thanks a lot for your help. I will be grateful if you can give me a link for root my tablet SM-T315 .than I can root my tablet and use Flashify.