I have a problem with mobile connection. As soon as I start a speed test via the laptop connected to the LAN port, the mobile radio connection is disconnected. Below are the last entries from the logfile:
1132 Tue Apr 22 17:51:50 2025 daemon.notice netifd: Interface 'mob1s1a1' is now down
1133 Tue Apr 22 17:51:50 2025 daemon.notice netifd: Interface 'mob1s1a1' is setting up now
1134 Tue Apr 22 17:51:50 2025 daemon.notice netifd: mob1s1a1 (18604): wwan[18604] Using wwan usb device on bus 2-1
1135 Tue Apr 22 17:51:50 2025 daemon.notice netifd: mob1s1a1 (18604): wwan[18604] Using proto:qmapv5 device:/dev/cdc-wdm0 iface:wwan0 desc:Quectel RG50X
1136 Tue Apr 22 17:51:51 2025 daemon.info dnsmasq[3143]: read /etc/hosts - 12 names
1137 Tue Apr 22 17:51:51 2025 daemon.info dnsmasq[3143]: read /tmp/hosts/dhcp.cfg01411c - 4 names
1138 Tue Apr 22 17:51:51 2025 daemon.info dnsmasq-dhcp[3143]: read /etc/ethers - 0 addresses
1139 Tue Apr 22 17:51:56 2025 user.notice qmux: mob1s1a1 teardown successful
1140 Tue Apr 22 17:51:57 2025 daemon.notice netifd: mob1s1a1 (18604): Calculated qmimux ifname: qmimux0
1141 Tue Apr 22 17:51:57 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 10000 --set-autoconnect disabled
1142 Tue Apr 22 17:51:57 2025 daemon.notice netifd: mob1s1a1 (18604): Informing driver of raw-ip for wwan0 ..
1143 Tue Apr 22 17:51:57 2025 user.notice root: uqmi -d /dev/cdc-wdm0 --timeout 6000 --wda-set-data-format --qos-format 0 --link-layer-protocol raw-ip --endpoint-type hsusb --endpoint-iface-number 4 --ul-protocol qmapv5 --dl-protocol qmapv5 --ul-max-datagrams 11 --ul-datagram-max-size 8192 --dl-max-datagrams 62 --dl-datagram-max-size 31744 --dl-min-padding 0
1144 Tue Apr 22 17:51:58 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --set-client-id wds,14 --release-client-id wds --modify-profile 3gpp,1 --profile-name 1 --roaming-disallowed-flag no
1145 Tue Apr 22 17:52:29 2025 daemon.notice netifd: mob1s1a1 (18604): Network registration failed
1146 Tue Apr 22 17:52:29 2025 daemon.notice netifd: mob1s1a1 (18604): 2-1 mob1s1a1 reloading mobifd
1147 Tue Apr 22 17:52:29 2025 daemon.info mobifd: [gsm.modem0] Config reload initiated
1148 Tue Apr 22 17:52:29 2025 daemon.notice netifd: mob1s1a1 (19442): Stopping network mob1s1a1
1149 Tue Apr 22 17:52:29 2025 daemon.info mobifd: [gsm.modem0] SIM is ready
1150 Tue Apr 22 17:52:29 2025 daemon.notice netifd: mob1s1a1 (19442): Command failed: Not found
1151 Tue Apr 22 17:52:29 2025 daemon.notice netifd: mob1s1a1 (19442): Command failed: Not found
1152 Tue Apr 22 17:52:30 2025 daemon.err mobifd: [gsm.modem0] GSM error in "mb_check_sms_storage:564" (Failed to parse response), gsmd_method_id: "63"
1153 Tue Apr 22 17:52:30 2025 daemon.err mobifd: [gsm.modem0] Failed to get SMS storage
1154 Tue Apr 22 17:52:30 2025 daemon.notice netifd: mob1s1a1 (19442): Command failed: Permission denied
1155 Tue Apr 22 17:52:30 2025 daemon.notice netifd: Interface 'mob1s1a1' is now down
1156 Tue Apr 22 17:52:31 2025 daemon.info dnsmasq[3143]: read /etc/hosts - 12 names
1157 Tue Apr 22 17:52:31 2025 daemon.info dnsmasq[3143]: read /tmp/hosts/dhcp.cfg01411c - 4 names
1158 Tue Apr 22 17:52:31 2025 daemon.info dnsmasq-dhcp[3143]: read /etc/ethers - 0 addresses
1159 Tue Apr 22 17:52:31 2025 kern.info Mobile data disconnected (internal modem)
1160 Tue Apr 22 17:52:33 2025 daemon.err mobifd: [gsm.modem0] Init 'sms_storage_check' failed. Retrying
1161 Tue Apr 22 17:52:34 2025 daemon.info mobifd: [gsm.modem0] Modem settings init completed
1162 Tue Apr 22 17:52:34 2025 daemon.info mobifd: [gsm.modem0] Starting connection setup
1163 Tue Apr 22 17:52:35 2025 daemon.info mobifd: [gsm.modem0] Attempting to establish connection to operator with "15s" of timeout
1164 Tue Apr 22 17:52:35 2025 daemon.info mobifd: [gsm.modem0] Connected to operator "26202"
1165 Tue Apr 22 17:52:35 2025 daemon.info mobifd: [gsm.modem0] -CFUN- Functionality: "Full"
1166 Tue Apr 22 17:52:35 2025 daemon.info mobifd: [gsm.modem0] -COPS- Mode: "Auto", operator: "26202"
1167 Tue Apr 22 17:52:35 2025 daemon.info mobifd: [gsm.modem0] -CREG- Mode: "Enabled (with location information)", status: "Registered, home", LAC: "43554", cell ID: "7846421", technology: "E-UTRAN-NR"
1168 Tue Apr 22 17:52:35 2025 daemon.info mobifd: [gsm.modem0] -CGREG- Mode: "Enabled (with location information)", status: "Not registered", LAC: "", cell ID: "", technology: "Unknown"
1169 Tue Apr 22 17:52:35 2025 daemon.info mobifd: [gsm.modem0] -CEREG- Mode: "Enabled (with location information)", status: "Registered, home", LAC: "", cell ID: "7846421", technology: "E-UTRAN-NR"
1170 Tue Apr 22 17:52:35 2025 daemon.info mobifd: [gsm.modem0] -C5GREG- Mode: "Enabled (with location information)", status: "Not registered", LAC: "", cell ID: "", technology: "Unknown"
1171 Tue Apr 22 17:52:35 2025 daemon.info mobifd: [gsm.modem0] IP address on PDP context "1": "100.77.77.32"
1172 Tue Apr 22 17:52:35 2025 daemon.notice netifd: Interface 'mob1s1a1' is setting up now
1173 Tue Apr 22 17:52:35 2025 daemon.notice netifd: mob1s1a1 (19855): wwan[19855] Using wwan usb device on bus 2-1
1174 Tue Apr 22 17:52:35 2025 daemon.notice netifd: mob1s1a1 (19855): wwan[19855] Using proto:qmapv5 device:/dev/cdc-wdm0 iface:wwan0 desc:Quectel RG50X
1175 Tue Apr 22 17:52:36 2025 user.notice qmux: mob1s1a1 teardown successful
1176 Tue Apr 22 17:52:38 2025 daemon.notice netifd: mob1s1a1 (19855): Calculated qmimux ifname: qmimux0
1177 Tue Apr 22 17:52:38 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 10000 --set-autoconnect disabled
1178 Tue Apr 22 17:52:38 2025 daemon.notice netifd: mob1s1a1 (19855): Informing driver of raw-ip for wwan0 ..
1179 Tue Apr 22 17:52:39 2025 user.notice root: uqmi -d /dev/cdc-wdm0 --timeout 6000 --wda-set-data-format --qos-format 0 --link-layer-protocol raw-ip --endpoint-type hsusb --endpoint-iface-number 4 --ul-protocol qmapv5 --dl-protocol qmapv5 --ul-max-datagrams 11 --ul-datagram-max-size 8192 --dl-max-datagrams 62 --dl-datagram-max-size 31744 --dl-min-padding 0
1180 Tue Apr 22 17:52:39 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --set-client-id wds,14 --release-client-id wds --modify-profile 3gpp,1 --profile-name 1 --roaming-disallowed-flag no
1181 Tue Apr 22 17:52:39 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --get-client-id wds
1182 Tue Apr 22 17:52:39 2025 daemon.notice netifd: mob1s1a1 (19855): 14
1183 Tue Apr 22 17:52:39 2025 daemon.notice netifd: mob1s1a1 (19855): cid4: 14
1184 Tue Apr 22 17:52:39 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --wds-bind-mux-data-port --mux-id 1 --ep-iface-number 4 --set-client-id wds,14
1185 Tue Apr 22 17:52:39 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --set-ip-family ipv4 --set-client-id wds,14
1186 Tue Apr 22 17:52:39 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --set-client-id wds,14 --start-network --profile 1 --ip-family ipv4
1187 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): pdh4: 1381204992
1188 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): 1381204992
1189 Tue Apr 22 17:52:40 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --get-client-id wds
1190 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): 15
1191 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): cid6: 15
1192 Tue Apr 22 17:52:40 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --wds-bind-mux-data-port --mux-id 1 --ep-iface-number 4 --set-client-id wds,15
1193 Tue Apr 22 17:52:40 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --set-ip-family ipv6 --set-client-id wds,15
1194 Tue Apr 22 17:52:40 2025 user.notice netifd: uqmi -d /dev/cdc-wdm0 --timeout 6000 --set-client-id wds,15 --start-network --ip-family ipv6 --profile 1
1195 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): pdh6: 1380917456
1196 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): 1380917456
1197 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): Setting up qmimux0
1198 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): Setting configured MTU: 1500 on qmimux0
1199 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Interface 'mob1s1a1' is now up
1200 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Network device 'wwan0' link is up
1201 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): Setting up qmimux0 V4 DCHP
1202 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Interface 'mob1s1a1_4' is enabled
1203 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Network device 'qmimux0' link is up
1204 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Interface 'mob1s1a1_4' has link connectivity
1205 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Interface 'mob1s1a1_4' is setting up now
1206 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): Setting up qmimux0 V6 static
1207 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): {
1208 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "pdp-type": "ipv4v6",
1209 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "ip-family": "ipv6",
1210 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "mtu": 1500,
1211 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "ipv4": {
1212 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855):
1213 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): },
1214 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "ipv6": {
1215 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "ip": "2a00:20:b2d7:97a3:bce3:c0f0:35d5:ecd",
1216 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "ip-prefix-length": 64,
1217 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "gateway": "2a00:20:b2d7:97a3:2c95:e55a:7659:ace4",
1218 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "gw-prefix-length": 64,
1219 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "dns1": "2a01:860:0:300::53",
1220 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "dns2": "2a01:860:0:300::153"
1221 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): },
1222 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): "domain-names": {
1223 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855):
1224 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): }
1225 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): }
1226 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1 (19855): uci: Entry not found
1227 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Interface 'mob1s1a1_6' is enabled
1228 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Interface 'mob1s1a1_6' is setting up now
1229 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Interface 'mob1s1a1_6' is now up
1230 Tue Apr 22 17:52:40 2025 daemon.notice netifd: Interface 'mob1s1a1_6' has link connectivity
1231 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: reading /tmp/resolv.conf.d/resolv.conf.auto
1232 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: using nameserver 2a01:860:0:300::53#53
1233 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: using nameserver 2a01:860:0:300::153#53
1234 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for test
1235 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for onion
1236 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for localhost
1237 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for local
1238 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for invalid
1239 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for bind
1240 Tue Apr 22 17:52:40 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for lan
1241 Tue Apr 22 17:52:40 2025 daemon.notice netifd: mob1s1a1_4 (20342): udhcpc: started, v1.34.1
1242 Tue Apr 22 17:52:41 2025 daemon.notice netifd: mob1s1a1_4 (20342): udhcpc: broadcasting discover
1243 Tue Apr 22 17:52:41 2025 daemon.notice netifd: mob1s1a1_4 (20342): udhcpc: broadcasting select for 100.77.77.32, server 100.77.77.33
1244 Tue Apr 22 17:52:41 2025 user.notice firewall: Reloading firewall due to ifup of mob1s1a1 (wwan0)
1245 Tue Apr 22 17:52:41 2025 daemon.notice netifd: mob1s1a1_4 (20342): udhcpc: lease of 100.77.77.32 obtained from 100.77.77.33, lease time 7200
1246 Tue Apr 22 17:52:41 2025 daemon.notice netifd: Interface 'mob1s1a1_4' is now up
1247 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: reading /tmp/resolv.conf.d/resolv.conf.auto
1248 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using nameserver 139.7.30.125#53
1249 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using nameserver 139.7.30.126#53
1250 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using nameserver 2a01:860:0:300::53#53
1251 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using nameserver 2a01:860:0:300::153#53
1252 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for test
1253 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for onion
1254 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for localhost
1255 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for local
1256 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for invalid
1257 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for bind
1258 Tue Apr 22 17:52:41 2025 daemon.info dnsmasq[3143]: using only locally-known addresses for lan
1259 Tue Apr 22 17:52:43 2025 daemon.info dnsmasq[3143]: read /etc/hosts - 12 names
1260 Tue Apr 22 17:52:43 2025 daemon.info dnsmasq[3143]: read /tmp/hosts/dhcp.cfg01411c - 4 names
1261 Tue Apr 22 17:52:43 2025 daemon.info dnsmasq-dhcp[3143]: read /etc/ethers - 0 addresses
1262 Tue Apr 22 17:52:43 2025 user.notice firewall: Reloading firewall due to ifup of mob1s1a1_6 (qmimux0)
1263 Tue Apr 22 17:52:44 2025 kern.info Mobile data connected (internal modem)
1264 Tue Apr 22 17:52:44 2025 kern.info Joined 5G-NSA network (internal modem)
1265 Tue Apr 22 17:52:44 2025 kern.info Connected to 26202 operator (internal modem)
1266 Tue Apr 22 17:52:45 2025 kern.notice DNS resolution restored
1267 Tue Apr 22 17:52:45 2025 user.notice firewall: Reloading firewall due to ifup of mob1s1a1_4 (qmimux0)
1268 Tue Apr 22 17:52:46 2025 daemon.info mobifd: Connection setup completed for 'mob1s1a1'
1269 Tue Apr 22 17:52:46 2025 daemon.info mobifd: Connection setup completed for modem: 'gsm.modem0'
1270 Tue Apr 22 17:52:46 2025 daemon.info mobifd: Connection setup completed for 'mob1s1a1'
1271 Tue Apr 22 17:52:46 2025 daemon.info mobifd: Connection setup completed for modem: 'gsm.modem0'
1272 Tue Apr 22 17:52:47 2025 daemon.info dnsmasq[3143]: read /etc/hosts - 12 names
1273 Tue Apr 22 17:52:47 2025 daemon.info dnsmasq[3143]: read /tmp/hosts/dhcp.cfg01411c - 4 names
1274 Tue Apr 22 17:52:47 2025 daemon.info dnsmasq-dhcp[3143]: read /etc/ethers - 0 addresses
1275 Tue Apr 22 17:52:48 2025 daemon.err rms_mqtt[6997]: Connected to remote host
1276 Tue Apr 22 17:52:49 2025 daemon.err rms_mqtt[6997]: Failed to connect with authentication keys
1277 Tue Apr 22 17:53:45 2025 kern.notice IPv4 connectivity restored
1278 Tue Apr 22 17:53:45 2025 kern.notice IPv6 connectivity restored
What is striking, the SIM PIN is saved and yet the SIM is displayed as locked.