Electrum version 3.3.7. installed on Xiaomi mi9t pro. Nowhere else. Password protection has been enabled. On April 1, the wallet had 1.23595057 btc. Today I switched to a wallet to transfer part of the funds and was very surprised. Wallet balance 0. It turned out that on April 3rd at 23:05 a transaction was sent for the total balance. The transaction was send to address unknown to me: 13k4rgQ6b9LdBt6pvgLR5MSV6wAhujFpgq No one has access to the phone. Electrum has been downloaded from the official site. I know about phishing and always carefully check everything. Never updated the application. I download all applications for the phone only through the play market. Please tell me how this happened? What have I done wrong? for what reason have I lost all my savings?