Try importing your jaxx wallet's seed into mycelium's android wallet and see if your coins show up in it. According to this post the two wallets can use each others seed.

https://www.reddit.com/r/BitcoinBeginners/comments/5xt8m6/my_12_word_seed_from_jaxx_isnt_showing_my_balance/

Jaxx follows BIP 32/39/44, so Copay (mobile and desktop) and Mycelium (Android, probably iOS) can restore the Bitcoin wallet from Jaxx.