It's extremely easy to damage the connectors where the Ribbon Cables join the M'Board. The push on Connectors are not much of an issue but the Push In & Lock Connector is extremely easy to damage.
I've even seen a case where no pressure was applied to that Particular Cable but the connector that it goes into was broken even though the pins in it where not bent and the socket was still locked. That particular phone still worked when reassembled after replacing the broken Front Glass, Digitizer and LED Screen but it worried the hell out of me reassembling it. Personally I believe that the connector was broken before the phone flew out of a car window onto the road as the screen or digitized had most defiantly not moved and it was more of a problem to separate than usual.
Sorry but as I've never dismantled a iPad I'm not sure just how fragile that the connection in it are.
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