Did you try the combo power + volume down?
http/www.samsung.com/uk/support/mobile-devices/how-do-i-restart-galaxy-tab-if-it-appears-to-be-frozen-or-not-responding/
Did you try the combo power + volume down?
http/www.samsung.com/uk/support/mobile-devices/how-do-i-restart-galaxy-tab-if-it-appears-to-be-frozen-or-not-responding/