I have some coins on an address I created using mycelium wallet and I tried importing it to Trust wallet it worked but my balance was not displaying, I did the same for Exodu wallet and same thing happened.
The reason for this is the derivation path which is used by trustwallet
m/84'/0'/0'/0/0 while Mycelium wallet is m/44'/0'/0'/0, the easiest solution is to list the seeds for Electrum and the balance will appear but since you have listed the seeds for closed source wallets, it is better to transfer your balance to a new address when the transaction fees are low.
https://developer.trustwallet.com/developer/wallet-core/integration-guide/wallet-core-usage