When you connect to NAO via SSH (Secure Shell), the default credentials are:
However, in firmware versions between 2.1 and 2.5, a bug known informally as the "Stage 13 Authentication Failure" occurs. When the robot tries to escalate privileges for a system update, the password hash corrupts if the user typed "NAO" in uppercase.
Symptoms of the "Uppercase Stage 13" Glitch: Nao Upseedage 13 -
The Fix:
“NAO Update — 13” or “NAO Update #13” When you connect to NAO via SSH (Secure
“Neo Upheaval: 13” or “Neo Upstage — 13”
“No. Upseedage 13” (Numbered technical report) However, in firmware versions between 2
“Nao Upseedage 13 -” appears to be an unclear, likely corrupted or incomplete title. This editorial interprets possible meanings, reconstructs plausible intended titles, explains likely contexts, and offers a recommended definitive title plus a short descriptive blurb suitable for publication.