Is it possible to recover my trezor wallet without a new trezor device? For example with Electrum? Just want to make sure the seed is correct before updating the firmware.
You can use Electrum wallet to recover your Trezor. They use same scheme for creating the seed so they are compatible. You can look up for other wallets that use it too.
If you need to do it on electrum, download electrum from
here.
Then open electrum and follow the following commands:
1. select "standard wallet"
2. select "I already have a seed"
3. put in your seed and hit the "options" button and check the bip39 box.
4. use the default derivation path, I think it's the right one, for trezor it's either m/44'/0'/0' or m/44'/0'/2' (the apostrophies are important)