Frozen in Reset Menu - Series 6, Curve (55)

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Hello,
After restarting the TV showed setup process with 5 steps. Things went well upto 3rd step. But at 4th step which "Select the source of your TV signal" the TV froze. No response and I waited whole night but the setup process stuck. Please Advise.


System Configuration: Android / Chrome 76.0.3809.111