diff --git a/modemmanager/Makefile b/modemmanager/Makefile
index 30e17b657..8a4958404 100644
--- a/modemmanager/Makefile
+++ b/modemmanager/Makefile
@@ -8,25 +8,25 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=modemmanager
-PKG_SOURCE_VERSION:=1.20.4
-PKG_RELEASE:=1
+PKG_SOURCE_VERSION:=1.20.6
+PKG_RELEASE:=8
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://gitlab.freedesktop.org/mobile-broadband/ModemManager.git
-#PKG_MIRROR_HASH:=f138effc693456c5040ec22e17c0a8b41143c3b17b62437462995c297a9150dc
+PKG_MIRROR_HASH:=e90103e2e42bb826bbbac83937a9a69f50348cd6ce0d8da655a12b65494ce7c9
 
 PKG_MAINTAINER:=Nicholas Smith <nicholas@nbembedded.com>
 PKG_LICENSE:=GPL-2.0-or-later
 PKG_LICENSE_FILES:=COPYING
 
 PKG_BUILD_DEPENDS:=glib2/host libxslt/host
+PKG_BUILD_FLAGS:=gc-sections
 
 include $(INCLUDE_DIR)/package.mk
 include $(INCLUDE_DIR)/nls.mk
 include $(INCLUDE_DIR)/meson.mk
 
-TARGET_CFLAGS += -ffunction-sections -fdata-sections -fno-merge-all-constants -fmerge-constants
-TARGET_LDFLAGS += -Wl,--gc-sections
+TARGET_CFLAGS += -fno-merge-all-constants -fmerge-constants
 
 define Package/modemmanager/config
   source "$(SOURCE)/Config.in"
diff --git a/modemmanager/files/modemmanager.common b/modemmanager/files/modemmanager.common
index a439179de..6a59ae6e1 100644
--- a/modemmanager/files/modemmanager.common
+++ b/modemmanager/files/modemmanager.common
@@ -272,6 +272,14 @@ mm_report_event() {
 	local subsystem="$3"
 	local sysfspath="$4"
 
+	# Do not save virtual devices
+	local virtual
+	virtual="$(echo "$sysfspath" | cut -d'/' -f4)"
+	[ "$virtual" = "virtual" ] && {
+		mm_log "debug" "sysfspath is a virtual device ($sysfspath)"
+		return
+	}
+
 	# Track/untrack events in cache
 	case "${action}" in
 		"add")
diff --git a/modemmanager/files/modemmanager.proto b/modemmanager/files/modemmanager.proto
index e6ec9e203..b8ebce924 100644
--- a/modemmanager/files/modemmanager.proto
+++ b/modemmanager/files/modemmanager.proto
@@ -343,11 +343,22 @@ proto_modemmanager_init_config() {
 	proto_config_add_string	 password
 	proto_config_add_string	 pincode
 	proto_config_add_string	 iptype
+	proto_config_add_string	 plmn
 	proto_config_add_int	 signalrate
 	proto_config_add_boolean lowpower
+	proto_config_add_boolean allow_roaming
 	proto_config_add_defaults
 }
 
+# Append param to the global 'connectargs' variable.
+append_param() {
+	local param="$1"
+
+	[ -z "$param" ] && return
+	[ -z "$connectargs" ] || connectargs="${connectargs},"
+	connectargs="${connectargs}${param}"
+}
+
 proto_modemmanager_setup() {
 	local interface="$1"
 
@@ -355,11 +366,11 @@ proto_modemmanager_setup() {
 	local bearermethod_ipv4 bearermethod_ipv6 auth cliauth
 	local operatorname operatorid registration accesstech signalquality
 
-	local device apn allowedauth username password pincode iptype metric signalrate
+	local device apn allowedauth username password pincode iptype plmn metric signalrate allow_roaming
 
 	local address prefix gateway mtu dns1 dns2
 
-	json_get_vars device apn allowedauth username password pincode iptype metric signalrate
+	json_get_vars device apn allowedauth username password pincode iptype plmn metric signalrate allow_roaming
 
 	# validate sysfs path given in config
 	[ -n "${device}" ] || {
@@ -368,11 +379,6 @@ proto_modemmanager_setup() {
 		proto_set_available "${interface}" 0
 		return 1
 	}
-	[ -e "${device}" ] || {
-		echo "Device not found in sysfs"
-		proto_set_available "${interface}" 0
-		return 1
-	}
 
 	# validate that ModemManager is handling the modem at the sysfs path
 	modemstatus=$(mmcli --modem="${device}" --output-keyvalue)
@@ -397,7 +403,24 @@ proto_modemmanager_setup() {
 	echo "starting connection with apn '${apn}'..."
 	proto_notify_error "${interface}" MM_CONNECT_IN_PROGRESS
 
-	connectargs="apn=${apn}${iptype:+,ip-type=${iptype}}${cliauth:+,allowed-auth=${cliauth}}${username:+,user=${username}}${password:+,password=${password}}${pincode:+,pin=${pincode}}"
+	# setup allow-roaming parameter
+	if [ -n "${allow_roaming}" ] && [ "${allow_roaming}" -eq 0 ];then
+		allow_roaming="no"
+	else
+		# allowed unless a user set the opposite
+		allow_roaming="yes"
+	fi
+
+	# Append options to 'connectargs' variable
+	append_param "apn=${apn}"
+	append_param "allow-roaming=${allow_roaming}"
+	append_param "${iptype:+ip-type=${iptype}}"
+	append_param "${plmn:+operator-id=${plmn}}"
+	append_param "${cliauth:+allowed-auth=${cliauth}}"
+	append_param "${username:+user=${username}}"
+	append_param "${password:+password=${password}}"
+	append_param "${pincode:+pin=${pincode}}"
+
 	mmcli --modem="${device}" --timeout 120 --simple-connect="${connectargs}" || {
 		proto_notify_error "${interface}" MM_CONNECT_FAILED
 		proto_block_restart "${interface}"
@@ -509,7 +532,6 @@ proto_modemmanager_teardown() {
 	json_get_vars device lowpower iptype
 
 	echo "stopping network"
-	proto_notify_error "${interface}" MM_TEARDOWN_IN_PROGRESS
 
 	# load connected bearer information, just the first one should be ok
 	modemstatus=$(mmcli --modem="${device}" --output-keyvalue)
@@ -544,6 +566,9 @@ proto_modemmanager_teardown() {
 	# low power, only if requested
 	[ "${lowpower:-0}" -lt 1 ] ||
 		mmcli --modem="${device}" --set-power-state-low
+
+	proto_init_update "*" 0
+	proto_send_update "$interface"
 }
 
 [ -n "$INCLUDE_ONLY" ] || {