The /etc/dropbear/ directory had 775 permissions from the build host, which caused dropbear to reject authorized_keys (SSH key auth). Dropbear requires the directory to be 700 (not group/world-writable). - chmod 700 /etc/dropbear in uci-defaults (belt and suspenders) - Bump PARAHUB_BUILD to 2 (triggers OTA autoupdate) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>