How to restore the maintenance element to the factory state

摘要

The present invention relates to a method of restoring a maintenance element including a set of data embedded in a first device to a factory state. The method comprises the following steps. Categorizing the set of data into three independent categories; retrieving the first entity configured to provide a factory value of the first category of data from the second device; ) Restoring all current data with factory values; retrieving a second entity configured to provide factory values for the second category of data from the third device; factory for the second category of data Step to restore the value. [Selection] Figure 2