If the wallet address generated by importing the mnemonic phrases is a new wallet address that does not match your expected one, there are 3 possible reasons. We recommend that you check them out one by one.
Reason 1: You are using mnemonics of a different account or some words are incorrect or in a wrong order.
Reason 2: Select the wrong address type at the recovery step(Segwit or non-Segwit)
Reason 3: If you added a passphrase when you created the account, please add it when you recover the account. If you don't add or write the wrong passphrase, the address will be different.
Reason 4: The deviation path of ELLIPAL is different from the one your previous wallet was using. ELLIPAL follows the standard deviation path: m / 44' / coin_type' / 0' / 0 / 0
You may simply check by XRP address, If the XRP address is the same but other coin addresses different, The reason is number 3.