That’s why I ask: Is the connection encrypted when starting a download F-Droid Store → my Phone?
Which Cipher is used regularly - same like on
website -->“TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256”?
TLS is complicated, so you’d have to check your specific device. But you can use third party auditing services to see that our server setup is as good as it can be: