How to Resolve Module Exception 3 and Module Exception 4?
When encountering module exception issues, apart from returning the device, what else can users do? In fact, not all module exception issues require returning the device. For example, module exception 3 can be resolved easily, while sometimes module exception 4 can be resolved without any action.
Cause Analysis:The household communication set-top box is bound to a smart card one-to-one. If