diff --git a/plugins/icera/mm-broadband-modem-icera.c
b/plugins/icera/mm-broadband-modem-icera.c
index e429a2f..07c4b38 100644
--- a/plugins/icera/mm-broadband-modem-icera.c
+++ b/plugins/icera/mm-broadband-modem-icera.c
@@ -810,7 +810,12 @@ modem_power_down (MMIfaceModem *self,
* keeps access to the SIM */
mm_base_modem_at_command (MM_BASE_MODEM (self),
"+CFUN=4",
- 3,
+ /* The modem usually completes +CFUN=4 within
1-2 seconds,
+ * but sometimes takes a ridiculously long time
(~30-35 seconds).
+ * It's better to have a long timeout here than
to have the
+ * modem not responding to subsequent AT
commands until +CFUN=4
+ * completes. */
+ 40,
FALSE,
callback,
user_data);
--
1.7.7.3
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