Please find direct download link of firmware version T815YDVS2CTK9 for the device Samsung Galaxy Tab S2 (9.7), model SM-T815Y below.
·ALERT: Patch for critical security vulnerability ·Battery life has been optimised. ·Overall device performance has been improved. ·The stability of Voice call has been improved. ·The security of your device has been improved. ·After updating, you will not be able to downgrade to the old software because of updates to the security policy.