diff --git a/CLAUDE.md b/CLAUDE.md
index 2b46201..04f917b 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -171,6 +171,7 @@ All views carry a `COMMENT ON VIEW` referencing their spec — `\d+ tracksolid.v
 | FIX-M15 | `ingest_movement_rev.py` | `get_device_locations()` — on-demand precision refresh |
 | FIX-M16 | `ingest_movement_rev.py` | `distance` from API is metres → divide by 1000 before storing |
 | FIX-M17 | `ingest_movement_rev.py` | `sync_devices()` ON CONFLICT now updates all 26 fields (was 5) |
+| FIX-M18 | `ingest_movement_rev.py` | `sync_devices()` pulls `vehicleName`/`vehicleNumber`/`driverName`/`driverPhone`/`sim` from `jimi.track.device.detail` — list endpoint returns null for these even when set |
 | FIX-E06 | `ingest_events_rev.py` | Alarm field mapping: `alertTypeId`/`alarmTypeName`/`alertTime` |
 | BUG-02 | Migration 04 | Historical `distance_m` rows ÷1,000,000 → renamed to `distance_km` |
 
diff --git a/ingest_movement_rev.py b/ingest_movement_rev.py
index 67ad1b2..9ccc332 100644
--- a/ingest_movement_rev.py
+++ b/ingest_movement_rev.py
@@ -30,6 +30,10 @@ REVISIONS (QA-Verified):
             jimi.device.location.get for up to 50 specific IMEIs on demand.
             Used for precision refreshes (alarm enrichment, stale device
             recovery) without waiting for the next full fleet sweep.
+  [FIX-M18] sync_devices: Pull vehicleName / vehicleNumber / driverName /
+            driverPhone / sim from jimi.track.device.detail first (list
+            endpoint returns null for these even when populated via
+            jimi.open.device.update).
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 """
 
@@ -134,10 +138,17 @@ def sync_devices():
                         last_synced_at     = NOW(),
                         updated_at         = NOW()
                 """, (
+                    # [FIX-M18] vehicleName/vehicleNumber/driverName/driverPhone/sim
+                    # only surface via jimi.track.device.detail — list returns null.
                     imei, clean(d.get("deviceName")), clean(d.get("mcType")), clean(d.get("mcTypeUseScope")),
-                    clean(d.get("vehicleName")), clean(d.get("vehicleNumber")), clean(d.get("vehicleModels")), clean(d.get("vehicleIcon")),
+                    clean(dtl.get("vehicleName")   or d.get("vehicleName")),
+                    clean(dtl.get("vehicleNumber") or d.get("vehicleNumber")),
+                    clean(d.get("vehicleModels")), clean(d.get("vehicleIcon")),
                     clean(dtl.get("vin")), clean(dtl.get("engineNumber")), clean(dtl.get("vehicleBrand")), clean_num(dtl.get("fuel_100km")),
-                    clean(d.get("driverName")), clean(d.get("driverPhone")), clean(d.get("sim")), clean(dtl.get("iccid")), clean(dtl.get("imsi")),
+                    clean(dtl.get("driverName")  or d.get("driverName")),
+                    clean(dtl.get("driverPhone") or d.get("driverPhone")),
+                    clean(dtl.get("sim")         or d.get("sim")),
+                    clean(dtl.get("iccid")), clean(dtl.get("imsi")),
                     clean(dtl.get("account")), clean(dtl.get("customerName")), clean(d.get("deviceGroupId")), clean(d.get("deviceGroup")),
                     clean_ts(d.get("activationTime")), clean_ts(d.get("expiration")), clean_int(d.get("enabledFlag", 1)), 
                     clean(dtl.get("status", "active")), clean_num(dtl.get("currentMileage"))