First update your trezor to the latest firmware.
https://wallet.trezor.io/#

Go to myetherwallet.com, type this in, don't click links to that site because of phishing scams.

Select egem.io network from the top right dropdown.

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View Wallet Info -> TREZOR -> Connect to TREZOR

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Leave defaults and you will see your first 5 EGEM addresses. Select one, Unlock your Wallet, and go!

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