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That is sad to hear. You should contact @leofinance discord they can help you for sure. If they are available.

There are two ways:

  1. The keys are in the Keystore
  2. Use the seed phrase of the Keystore to load into something like Keychain and it will download the keys (your phrase = your master password) - this is the best way

I don't understand how to do it, when I go to keychain it asks for username, private key, I have used the same key that I use to unlock the keystore but it doesn't work, I don't know if I did something wrong.

Hey, sorry to hear about your phone :(
Check the advise by Khal below and please share with us if you could make it

hello :3 I tried but I couldn't, I only have the keystore that I had saved in my email, the password used to unlock it, but I couldn't add it to the keychain