3. Just import your private key to other bitcoin wallet 
Is it possible? His balance is zcash, how can he import his private key to other bitcoin wallet? It does not make senses for me, unless his balance is bitcoin so I believe he can do it.
Btw i have the problem too about jaxx wallet but not in altcoin wallet. My btc is gone and some transaction is showing 0 conf.
Now still waiting from their support. Thingking about to create new topic if it doesn't run well.