Silent-ring rate spike — Android — 2026-05-11

01 What happened

On 2026-05-11 the Android silent-ring rate (issue code S01 — calls that never rang the callee device) climbed to 18.96%, up from 17.37% on 5/8 — a delta of +1.60pp. Pooled across the 3 largest corridors (EG + IN + AE), this is the single highest day in the trailing 90 days. Looking at all 11 monitored corridors individually, every one of them shows a same-day rise on 5/11.

02 Data — silent-ring rate (90-day trend)

Per-country breakdown · 5/8 → 5/12

03 Observed scope

• Platform: Android (cross-version — same shape appears across the Android population on this dashboard).
• Corridors: AE, IN, PK, SA, EG, JO, NP, PH, BD, SG, DE — all 11 monitored countries moved on the same day.
• Spike shape: gradual climb 5/9 → 5/10 → peak on 5/11, fallback on 5/12.
• Largest country deltas: PK +3.31pp, JO +3.24pp, EG +1.97pp, DE +1.74pp.
• iOS data over the same window has not yet been pulled.

04 Investigation