ERR_SSL_VERSION_OR_CIPHER_MISMATCH on my phone it seems?
TLS_CHACHA20_POLY1305_SHA256 (256 bit keys, TLS 1.3) successfully negotiated here (Firefox esr 140.14.0).
Same, from Chrome on Android
TLS_CHACHA20_POLY1305_SHA256 (256 bit keys, TLS 1.3) successfully negotiated here (Firefox esr 140.14.0).