I am having the exact same issue as you. I was going to write up a post about it but then I stumbled upon yours. Were you ever able to resolve this? I have tried to recover the assets in this wallet with both my trezor and metamask backup seeds and the assets don’t show up in either one. I am at a total loss.
I got them back in the end. What I realised I had done was when originally setting up my Trezor some time ago I did not read fully what it was asking for. When it said passphrase I mistook it for seedphrase and entered my seedphrase in which basically was a new password and created a new wallet. After much guessing on the passwords I eventually copied and pasted my seedphrase as the password and I managed to gain access to the assets and transfer them out and started again.
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As for Metamask app preventing you from spending your funds, this actually might be caused when the (appropriate) private key is missing.
These private keys for signing transactions are derived from the combination of seed stored on Trezor device and passphrase (if enabled and used).
Thus, if different seed and/or a different passphrase is used then the private key differs and cannot be used. In such case, previously generated wallets/accounts in third-party apps would become watch only wallets without the possibility spending the funds.
Generally, when the same recovery seed is used and the same passphrase is entered (if enabled and used), the same wallet is accessed. There is no exception. It always generates the same wallet including the same accounts having the same addresses in the same order.
The public-key cryptography ensures it generates always the same result.
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So you are saying that the only way this could have happened is if the hidden wallet/passphrase option was used at set up? I am 99.9% sure that that is not what happened. I never set up the passphrase in my trezor. I thought I followed the set up instructions word for word.
Is there no way for me to recover these funds?
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I never entered a password setting it up either but when I added it to metamask and it asked me to enter a password that is basically the same as setting up a password. So If you added it to metamask and used a password when it prompted you then that is the password you created for that wallet.
And you were able to recover the wallet by just entering passwords into the Trezor Suite app until you got the right one? I have tried everything that it could possibly be and am coming up empty.
Metamask has never prompted me for a password or anything when I try to access the hardware wallet. All the transactions just time out.
please note that if you have initialized or recovered your wallet in Trezor Suite the passphrase feature is enabled by default.
regarding your issue with trying to figure out what your passphrase (that is protecting the hidden wallet you’re trying to access) is: most of the time people mistake passphrase for PIN, 3rd party app (such as Metamask) login password or even Trezor recovery seed.
Beside that I suggest you to try every possible password you usually use / have recently used.
Good luck 
ok for each password you ever enter it has loads of wallets associated for that password. If you enter a password of 1234 the wallets available are different than a password of 12345. Do you know the wallet address and did it contain ETH? What I did was go to https://findeth.io/ search for wallet, entered the wallet address, connected with trezor and I would enter the password that I thought it was and then deselect all and select just the 2 eths, default and ledger and chose 500 for the wallets to search.
Metamask will always prompt you for a password when connecting to the trezor, you can either press continue which is no password or you enter a password and confirm it. Most people enter a password here without thinking it creates a secret wallet because its not been done in the suite. I would not try searching for accounts in trezor suite, either do it in metamask or findeth.
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I want to sincerely thank you for your help.
Yes I know the wallet address and yes it does contain ETH. I am going through the steps that suggested and still not having any luck. I guess it has to be that I entered a password somewhere along the way because when I search the address and don’t put a password in nothing shows up. Going to keep trying different passwords I guess. Still zero memory of ever having set one.
I was the same, I was adamant that I never put a password in. The only thing I had done was copy and paste my seed phrase where it asked for a pass phrase as I thought it was asking for that. I also tried all my passwords with a potential typo.
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Please help
When connecting my trezor to my metamask account, I connected a different address on metamask to what is shown in my trezor suite and have since sent eth to that metamask address meaning I am now unable to sign transactions with my trezor since it is a different address. Is there any way that I am able to connect my trezor to the metamask address and access these coins?
Well I had the same issue and my NFTs and ETH are locked up in that wallet for 1 month now.
I selected a hidden wallet with the same passphrase, but scrolled and clicked “next page” on the list of wallets instead of using the first wallet which matched my hidden wallet in trezor suite.
I tried several passphrases and having no luck so far. Pretty sure I know the passphrase but the wallet still doesn’t show up when I scroll thru list. It holds .6 ETH.
Try using https://findeth.io/ connect your wallet, enter your passphrase and enter the wallet address to search for. If not found, disconnect trezor and try again with another passphrase.
My issue was I copied and pasted my seedphrase instead of using a passphrase.
Hello Pirus1982
Just saw your reply that you were successfull in restoring your problem.
May you have a look at my own similar problem I am currently facing Link to my Trezor Case
Thank you!
A post was merged into an existing topic: Having issues with comfirming transaction (doesn’t showing) after connecting MetaMask with Trezor
Same thing happen to me. When I set up my Trezor, I didn’t know what a hidden wallet was. I would never have chosen that option, by fear of doing something wrong.
Moreover, if you enter a passphrase, you have to confirm it on your device. There is no way I would type something then confirming on my device and not write that down.
Impossible
Good morning, I have a problem with my trezor linked to the metamask … next step, link my trezor to my wallet in metamask (finished in 3DC9) in ACC1 … then link the trezor again to another wallet in another metamask account (finished in Deb5) and by rookie mistake I reselected ACC1 in the trezor. The problem now is that from wallet 1 (finished in 3DC9) I can see my balances but I cannot make any type of transaction, because when signing, the operation is checked or rejected. I REPEAT I am new to this I know I should have put the ACC2 for the second wallet but I was wrong and now I am desperate to regain control in my wallet 1 (3DC9) … can someone help me to do it ?? Thank you.
Hi @NicolasCesar
As already mentioned above:
In other words you have to use exactly the same combination of seed (your device) and passphrase as you did when you created that account in the first place in order to spend from it repeatedly.
Hi @Pirus1982
I’m having the same issue. My metamask is connected to trezor but my trezor suite is not showing that address and shows another. I’m desperate.
I don’t remember setting up a passphrase, i’m nearly certain I didn’t. But when I attempt transactions i’m prompted to passphrase. I then opened trezor suite and disabled passphrase, which stopped it from asking me for passphrase when attempting transaction from metamas but now the page just closes when I click confirm. The wallet trezor suite shows for ETH is different than my Metamask wallet connected to trezor. No clue what I can do. I have trezor recovery seed and pin only. and I have metamask recovery seed but since that account is connected to trezor, I don’t have a metamask private seed for that account address. Would greatly appreciate any help. Would pay for a zoom call if you can trouble shoot this with me. let me know please.