Mozilla/5.0 (iPhone; CPU iPhone OS 17_7_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 [FBAN/FBIOS;FBAV/489.0.0.55.72;FBBV/694791981;FBDV/iPhone11,8;FBMD/iPhone;FBSN/iOS;FBSV/17.7.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/0]
first seen 2026-10-27 08:24 · last seen 2026-10-27 08:24 · JSON
Last 7 days (1 observations)
Distinct clients per day (last 30 days, peak 1/day)
Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.
Decomposed attributes
Browser / client
Facebook App FBIOS
Operating system
iOS 17.7.2
Device class
mobile
Note
inferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above
Co-observed signals
Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.
TLS ClientHello (JA4)
fingerprint
co-occurrences
t13d1517h2_8daaf6152771_cb7bf5808d99Match?Exact match in Thumbprint's published controlled catalog captures: chrome 152.0.7977.83, chrome 154.0.8037.57, chrome 152.0.7977.64, +24 more.The fingerprint page shows the full measured match list. More on the catalog.
0a0a,11ec,001d,0017,0018Match?Exact match in Thumbprint's published controlled catalog captures: chrome 155.0.8059.40, chrome 156.0.8078.73, chromium 156.0.8078.47, +8 more.The fingerprint page shows the full measured match list. More on the catalog.