diff --git a/plugins/modem-manager/modem-manager.quirk b/plugins/modem-manager/modem-manager.quirk
index 18976ea67..79c8a1436 100644
--- a/plugins/modem-manager/modem-manager.quirk
+++ b/plugins/modem-manager/modem-manager.quirk
@@ -38,3 +38,13 @@ CounterpartGuid = USB\VID_0489&PID_E0B8
 [USB\VID_0489&PID_E0B8]
 Summary = Foxconn T77w968/eSIM LTE modem (fastboot)
 CounterpartGuid = USB\VID_0489&PID_E0B5
+
+# Quectel EG25-G
+[USB\VID_2C7C&PID_0125]
+Summary = Quectel EG25-G modem
+CounterpartGuid = USB\VID_18D1&PID_D00D
+
+# Quectel EG25-G in fastboot mode
+[USB\VID_18D1&PID_D00D]
+Summary = Quectel EG25-G modem (fastboot)
+CounterpartGuid = USB\VID_2C7C&PID_0125