The private key to your wallet is stored locally in your mobile device and secured by Secure Enclave.
If you change to a new mobile, you will need to import your wallet using the wallet's seed phrase.
If you deleted your old wallet without backing it up or writing down your seed phrase, that means all access to your wallet has been lost and your funds are unrecoverable.
Lif3 Wallet does not have access to seed phrases and thus cannot restore wallets; only the user in possession of their seed phrase has complete access to their wallet, so please remember to write your seed phrase down and keep it somewhere safe.
Read the article below to know how to migrate your Lif3 Wallet to a new phone: