Solved. I had same error suddernly this week and not been able to run apps etc. although network connection were regonised and ok in settings. goto main menu on tv, then support, then software update. follow the instructions for installing the software (make sure that the network settings are ok first). After the TV reset its self.. no more ERROR_MODEL_BIND and apps / Neflix working again. So I think Saumsung is creating an error for us when it wants us to do a system software update.
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