In case of failure in the Electronic Flight Instrument System, how would they be transferred between each other?
On the Embraer 170/190-series, the normal display layout is as follows:



There is an automatic display reversion logic when one or more panels fail. The following image shows this logic:


There is also a manual reversion switch located near each pilot's outboard knee, which controls what is displayed on the panel:



All images sourced from an Embraer Airplane Operations Manual.