I take this opportunity to ask: tu upgrade firmware on my trezor, i need to insert again all the Seed Phrase?
No, you don't. Not unless you have reset your device to factory settings, which wiped the seed phrase from it. If it still works and the seed is in it, then open Trezor Suite on your device, go to the settings menu, and start the upgrade process. Read
Update Trezor device firmware for more information.