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Last modified by Mengting Qiu on 2025/07/17 10:51
From version 219.2
edited by Xiaoling
on 2024/12/12 11:35
Change comment: There is no comment for this version
To version 179.1
edited by Bei Jinggeng
on 2024/08/07 11:24
Change comment: There is no comment for this version

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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45 45  |(% style="width:117px" %)China Mobile|(% style="width:151px" %)No need configure|(% style="width:474px" %)China Mainland, HongKong|(% style="width:135px" %)
46 46  |(% style="width:117px" %)China Telecom|(% style="width:151px" %)ctnb|(% style="width:474px" %)China Mainland|(% style="width:135px" %)
47 47  
48 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:878px" %)
49 -|(% style="background-color:#4f81bd; color:white; width:152px" %)**SIM Provider**|(% style="background-color:#4f81bd; color:white; width:169px" %)**AT+QCGDEFCONT=**|(% style="background-color:#4f81bd; color:white; width:427px" %)**Command Explanation**|(% style="background-color:#4f81bd; color:white; width:135px" %)**Comments**
50 -|(% style="width:152px" %)**[[1NCE>>https://1nce.com]]/[[NB card purchased by the customer>>https://1nce.com]]**|(% style="width:169px" %)iot.1nce.net/xxx|(% style="width:427px" %)This command sets the PSD connection settings for PDN connection on power-up. When the MT attaches to the NB-IoT network on power-on, a PDN connection setup is performed. Therefore, PDN connection settings are stored in NVRAM so that they can be used by the modem during the attachment.|(% style="width:135px" %)
51 -
52 52  == 2.2 Speed Up Network Attach time ==
53 53  
54 54  
... ... @@ -168,7 +168,6 @@
168 168  
169 169  * (% style="color:#037691" %)**Password:**(%%) <Your ThingSpeak MQTT Password>
170 170  
171 -
172 172  ==== 3.3.2.2 Publish Data to ThingSpeak Channel ====
173 173  
174 174  
... ... @@ -210,7 +210,6 @@
210 210  
211 211  * (% style="color:blue" %)**AT+SUBTOPIC=<YOUR_CHANNEL_ID>**
212 212  
213 -
214 214  ==== 3.3.3.2 Uplink Examples ====
215 215  
216 216  
... ... @@ -272,7 +272,6 @@
272 272  |(% colspan="1" style="background-color:#4f81bd; color:white; width:143px" %)SN50V3-NB mod5|(% colspan="1" style="width:103px" %)mod|(% colspan="1" style="width:102px" %)Battery|(% colspan="1" style="width:157px" %)RSSI|(% colspan="1" style="width:154px" %)DS18B20 Temp|(% colspan="1" style="width:153px" %)adc0|(% colspan="1" style="width:151px" %)exit_state/input PA4|(% colspan="1" style="width:160px" %)Weight|(% colspan="1" style="width:152px" %) |(% colspan="1" style="width:67px" %) |(% colspan="1" style="width:69px" %)
273 273  |(% colspan="1" style="background-color:#4f81bd; color:white; width:143px" %)SN50V3-NB mod6|(% colspan="1" style="width:103px" %)mod|(% colspan="1" style="width:102px" %)Battery|(% colspan="1" style="width:157px" %)RSSI|(% colspan="1" style="width:154px" %)count|(% colspan="1" style="width:153px" %) |(% colspan="1" style="width:151px" %) |(% colspan="1" style="width:160px" %) |(% colspan="1" style="width:152px" %) |(% colspan="1" style="width:67px" %) |(% colspan="1" style="width:69px" %)
274 274  
275 -
276 276  == 3.4 [[Datacake>>https://datacake.co/]] ==
277 277  
278 278  
... ... @@ -287,12 +287,10 @@
287 287  
288 288  * (% style="color:blue" %)**S31B-NB-GE**(%%): This verson doesn't have pre-configure Datacake connection. User need to enter the AT Commands to connect to Datacake. See below for instruction.
289 289  
290 -
291 291  === 3.4.1 For device Already has template ===
292 292  
293 293  ==== 3.4.1.1 Create Device ====
294 294  
295 -
296 296  (% style="color:blue" %)**Add Device**(%%) in DataCake.
297 297  
298 298  [[image:image-20230808162301-1.png||height="453" width="952"]]
... ... @@ -363,9 +363,9 @@
363 363  
364 364  **Step6: Please add the decoder at the payload decoder of the device configuration.**
365 365  
366 -**Decoder location: **[[dragino-end-node-decoder/Datacake-Dragino_NB at main · dragino/dragino-end-node-decoder (github.com)>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Datacake-Dragino_NB]]
357 +**Decoder location:**[[dragino-end-node-decoder/Datacake-Dragino_NB at main · dragino/dragino-end-node-decoder (github.com)>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Datacake-Dragino_NB]]
367 367  
368 -**Due to version update, please use the following decoder for the new version firmware:**
359 +**Due to version update, please use the following decoder for the new version firmware**
369 369  [[dragino-end-node-decoder/Datacake-Dragino_NB_New_Version at main · dragino/dragino-end-node-decoder (github.com)>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Datacake-Dragino_NB_New_Version]]
370 370  
371 371  [[image:image-20240129172056-7.png||height="457" width="816"]]
... ... @@ -458,7 +458,6 @@
458 458  * (% style="color:#037691" %)**AT+UNAME=<device name> or User Defined**
459 459  * (% style="color:#037691" %)**AT+PWD=“Your device token”**
460 460  
461 -
462 462  == 3.6 ThingsBoard.Cloud (via MQTT) ==
463 463  
464 464  === 3.6.1 Configure ThingsBoard ===
... ... @@ -518,6 +518,7 @@
518 518  
519 519  === 3.6.2 Simulate with MQTT.fx ===
520 520  
511 +
521 521  [[image:image-20230802112413-39.png]]
522 522  
523 523  [[image:image-20230802112413-40.png||height="525" width="980"]]
... ... @@ -549,6 +549,7 @@
549 549  [[image:image-20230802112413-43.png||height="407" width="825"]]
550 550  
551 551  
543 +
552 552  == 3.7 ThingsBoard.Cloud (via COAP) ==
553 553  
554 554  === 3.7.1 Configure ThingsBoard ===
... ... @@ -587,7 +587,6 @@
587 587  
588 588  ==== 3.7.1.3 Add COAP Integration ====
589 589  
590 -
591 591  ==== [[image:image-20240729161543-9.png||height="500" width="1009"]] ====
592 592  
593 593  
... ... @@ -595,7 +595,6 @@
595 595  
596 596  ==== 3.7.2.1 Instruction Description ====
597 597  
598 -
599 599  * AT+PRO=1,0(HEX format uplink)  &AT+PRO=1,5(JSON format uplink)
600 600  * AT+SERVADDR=COAP Server Address,5683
601 601  
... ... @@ -620,8 +620,8 @@
620 620  
621 621  e.g.
622 622  
623 -* AT+URL1=11, "i"
624 -* AT+URL2=11,"faaaa241f-af4a-b780-4468-c671bb574858"
613 +* AT+URL1=11, "i";  
614 +* AT+URL2=11,"/faaaa241f-af4a-b780-4468-c671bb574858"
625 625  
626 626  [[image:image-20240729172500-14.png||height="403" width="700"]]
627 627  
... ... @@ -730,155 +730,12 @@
730 730  Users can refer to [[Dragino NB device connection to AWS platform instructions>>http://wiki.dragino.com/xwiki/bin/view/Dragino%20NB%20device%20connection%20to%20AWS%20platform%20instructions/#H1.LogintotheplatformandfindIoTcore]]
731 731  
732 732  
733 -== 3.11 ThingsEye (via MQTT) ==
734 734  
735 -=== 3.11.1 Configure ThingsEye ===
736 736  
737 -==== 3.11.1.1 Create MQTT integration ====
738 -
739 -
740 -Go to the (% style="color:blue" %)**Integrations center**(%%) **->** (% style="color:blue" %)**Integrations page**(%%) and click **“(% style="color:blue" %)plus(%%)”** icon to add a new integration. Name it (% style="color:blue" %)**“MQTT Integration_NB”**(%%), select type (% style="color:blue" %)**MQTT**;
741 -
742 -[[image:image-20241126175509-1.png||height="518" width="1081"]]
743 -
744 -
745 -Next, directly select to create a new Uplink data converter and downlink data converter.
746 -
747 -[[image:image-20241126180135-2.png||height="535" width="1092"]]
748 -
749 -[[image:image-20241126180223-3.png||height="518" width="1093"]]
750 -
751 -
752 -(% style="color:blue" %)**Add a topic filter:**
753 -
754 -Consistent with the theme of the node setting.
755 -
756 -(% style="color:red" %)**Note: Recommended MQTT broker: lns1.thingseye.io 8883, fixed use. Topic can be changed on their own, but it need to be consistent with the node's publish and subscribe topic.**
757 -
758 -You can also select an MQTT QoS level. We use MQTT QoS level 0 (At most once) by default;
759 -
760 -[[image:image-20241126181024-4.png||height="521" width="1081"]]
761 -
762 -
763 -==== 3.11.1.2 Add credentials to the MQTT integration ====
764 -
765 -
766 -Click on the MQTT integration you just created.
767 -
768 -[[image:image-20241126181837-5.png||height="365" width="1079"]]
769 -
770 -
771 -Click the edit icon in the upper right corner to enter the edit mode.
772 -
773 -[[image:image-20241126184523-13.png||height="330" width="1075"]]
774 -
775 -
776 -(% style="color:blue" %)**Add credential files.**
777 -
778 -Click this [[link>>https://www.dropbox.com/scl/fo/d5s1wf36f4syv30a8laup/AK8FjVpNXYXCWodRnnQ1Hig?rlkey=jrz1ip0f0xwwq5z2m2gu1tuij&e=1&st=kl4caub0&dl=0]] to download the certificates.
779 -
780 -[[image:image-20241126183032-8.png||height="757" width="976"]]
781 -
782 -When the addition is complete, save the Settings.
783 -
784 -[[image:image-20241126184303-12.png||height="284" width="975"]]
785 -
786 -[[image:image-20241126184211-11.png||height="161" width="977"]]
787 -
788 -
789 -==== 3.11.1.2 Setup uplink and downlink converters ====
790 -
791 -
792 -First, you need to download the [[**MQTT uplink/downlink JS** **code**>>https://www.dropbox.com/scl/fo/d5s1wf36f4syv30a8laup/AK8FjVpNXYXCWodRnnQ1Hig?rlkey=jrz1ip0f0xwwq5z2m2gu1tuij&e=1&st=kl4caub0&dl=0]].
793 -
794 -* (% style="color:blue" %)**Uplink Converter**
795 -
796 -The purpose of the decoder function is to parse the incoming data and metadata to a format that ThingsBoard can consume.
797 -
798 -Go to the (% style="color:blue" %)**Integrations center**(%%) -> (% style="color:blue" %)**Data converters**(%%) page, and find that MQTT uplink converter that was newly created when the integration was created.
799 -
800 -[[image:image-20241126184906-14.png||height="424" width="1100"]]
801 -
802 -Enter edit mode and apply **MQTT uplink JS code** to this uplink converter.
803 -
804 -[[image:image-20241126190131-15.png||height="542" width="1103"]]
805 -
806 -
807 -* (% style="color:blue" %)**Downlink Converter**
808 -
809 -Go to the (% style="color:blue" %)**Integrations center**(%%) -> (% style="color:blue" %)**Data converters**(%%) page, and find that MQTT downlink converter that was newly created when the integration was created.
810 -
811 -[[image:image-20241126190251-16.png||height="372" width="1113"]]
812 -
813 -Enter edit mode and apply **MQTT downlink JS code** to this downlink converter.
814 -
815 -[[image:image-20241126190737-17.png||height="527" width="1114"]]
816 -
817 -
818 -=== 3.11.2 Simulate with MQTT.fx ===
819 -
820 -
821 -[[image:image-20241126191118-18.png||height="605" width="835"]]
822 -
823 -[[image:image-20241126193252-25.png||height="663" width="803"]]
824 -
825 -
826 -=== 3.6.3 Configure -NB node ===
827 -
828 -
829 -First you need to configure the certificate to the -NB node. Follow the instructions in this **[[link>>https://wiki.dragino.com/xwiki/bin/view/Dragino%20NB%20device%20connection%20to%20AWS%20platform%20instructions/#H4.1.2Configurecertificate]]** to configure the certificate.
830 -
831 -Screenshot of successful certificate configuration:
832 -
833 -* Configuring the CA Certificate
834 -
835 -[[image:image-20241126192009-19.png||height="431" width="697"]][[image:image-20241126192130-21.png||height="426" width="694"]]
836 -
837 -* Configure client certificate
838 -
839 -[[image:image-20241126192246-22.png||height="397" width="693"]][[image:image-20241126192315-23.png||height="402" width="645"]]
840 -
841 -* Configure client private key
842 -
843 -[[image:image-20241126192415-24.png||height="435" width="737"]]
844 -
845 -
846 -When the certificate is configured, burn the boot program, burn the working firmware, and then restart the device.
847 -
848 -Then configure the -NB node to connect to the ThingsEye platform:
849 -
850 -(% style="color:blue" %)**AT Commands**
851 -
852 -* (% style="color:#037691" %)**AT+PRO=3,5  **(%%)** **~/~/ Use MQTT Connection & Json Payload
853 -* (% style="color:#037691" %)**AT+SERVADDR=lns1.thingseye.io,8883**
854 -* (% style="color:#037691" %)**AT+SUBTOPIC=8899     **(%%)~/~/Consistent with the Topic of MQTT integration created by ThingsEye
855 -* (% style="color:#037691" %)**AT+PUBTOPIC=8899     **(%%)~/~/Consistent with the Topic of MQTT integration created by ThingsEye
856 -* (% style="color:#037691" %)**AT+CLIENT=NULL**
857 -* (% style="color:#037691" %)**AT+UNAME=NULL**
858 -* (% style="color:#037691" %)**AT+PWD=NULL**
859 -* (% style="color:#037691" %)**AT+TLSMOD=1,0**
860 -
861 -Test Uplink by click the button for 1~~3 seconds, the MQTT integration in ThingsEye allows you to view the data upstream from the device:
862 -
863 -[[image:image-20241126193458-26.png||height="375" width="1012"]]
864 -
865 -[[image:image-20241126193609-27.png||height="424" width="1014"]]
866 -
867 -
868 -Go to (% style="color:blue" %)**"Device" **(%%) -> (% style="color:blue" %)** "Search Device"**(%%), enter the (% style="color:blue" %)** IMEI**(%%) of the device to find the device.
869 -
870 -[[image:image-20241126194018-28.png||height="318" width="1076"]]
871 -
872 -You can view the data that has just been uplink on the device:
873 -
874 -[[image:image-20241126194123-29.png||height="486" width="1073"]]
875 -
876 -
877 877  = 4. MQTT/UDP/TCP downlink =
878 878  
879 879  == 4.1 MQTT (via MQTT.fx) ==
880 880  
881 -
882 882  Configure MQTT connections properly and send downlink commands to configure nodes through the Publish function of MQTT.fx//.//
883 883  
884 884  **1.** Configure node MQTT connection (via MQTT.fx):
... ... @@ -919,6 +919,11 @@
919 919  (% style="color:red" %)**Note: Users can edit the hex command in advance. When the node uplink, directly click the publish button several times to increase the success rate of command configuration.**
920 920  
921 921  
769 +
770 +
771 +
772 +
773 +
922 922  = 5. FAQ =
923 923  
924 924  == 5.1 What is the usage of Multi Sampling and One Uplink? ==
... ... @@ -934,11 +934,10 @@
934 934  1. Give more sampling data points.
935 935  1. Increase reliable in transmission. For example. If user set
936 936  1*. **AT+TR=1800** ~/~/ The unit is seconds, and the default is to record data once every 1800 seconds (30 minutes, the minimum can be set to 180 seconds)
937 -1*. **AT+NOUD=24**  ~/~/  The device uploads 24 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
938 -1*. **AT+TDC=7200**  ~/~/  Uplink every 2 hours.
789 +1*. **AT+NOUD=24** ~/~/  The device uploads 24 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
790 +1*. **AT+TDC=7200**  ~/~/ Uplink every 2 hours.
939 939  1*. this will mean each uplink will actually include the 6 uplink data (24 set data which cover 12 hours). So if device doesn't lost 6 continue data. There will not data lost.
940 940  
941 -
942 942  == 5.2 Why the uplink JSON format is not standard? ==
943 943  
944 944  
... ... @@ -949,14 +949,6 @@
949 949  [[image:image-20240229233154-1.png]]
950 950  
951 951  
952 -== 5.3 What is the data consumption for different transfer mode？ ==
953 -
954 -
955 -For the data consumption of NB-IoT End node in different transfer mode, reference link:
956 -
957 -[[https:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Traffic%20Statistics%20~~-~~-%20NBCB/>>https://wiki.dragino.com/xwiki/bin/view/Main/Traffic%20Statistics%20--%20NBCB/]]
958 -
959 -
960 960  = 6. Trouble Shooting: =
961 961  
962 962  == 6.1 Checklist for debuging Network Connection issue. Signal Strenght:99 issue. ==
... ... @@ -1038,11 +1038,9 @@
1038 1038  
1039 1039  == (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.5 What is the Downlink Command by the NB device?(%%) ==
1040 1040  
1041 -
1042 1042  (% data-sider-select-id="bb6e9353-0c3f-473c-938d-4b416c9a03e6" %)
1043 1043  === UDP: ===
1044 1044  
1045 -
1046 1046  (% data-sider-select-id="14a4790e-7faa-4508-a4dd-7605a53f1cb3" %)
1047 1047  Its downlink command is the same as the AT command, but brackets are required.
1048 1048  Example:
... ... @@ -1053,7 +1053,6 @@
1053 1053  (% data-sider-select-id="90b80f1a-e924-4c8a-afc5-4429e019a657" %)
1054 1054  === MQTT: ===
1055 1055  
1056 -
1057 1057  Json：
1058 1058  
1059 1059  The Json format in MQTT mode needs to be configured with all commands.
... ... @@ -1093,9 +1093,8 @@
1093 1093  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
1094 1094  
1095 1095  
1096 -== (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.6 How to obtain device logs?(%%) ==
936 +== (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.6 How to obtain device logs？(%%) ==
1097 1097  
1098 -
1099 1099  * **AT Command: AT** **+GETLOG**
1100 1100  
1101 1101  This command can be used to query upstream logs of data packets.
... ... @@ -1103,110 +1103,5 @@
1103 1103  [[image:image-20240701114700-1.png]]
1104 1104  
1105 1105  
1106 -== 6.7 How to find the AT Command Password if lost? ==
1107 1107  
1108 -
1109 -=== Why can't the password access AT command after upgrade(-NB)? ===
1110 -
1111 -
1112 -Because the new version of -NB firmware has updated the factory reset function, users can choose to restore all parameters to factory Settings, or keep the password to restore the rest of the parameters to factory Settings.
1113 -
1114 -This update changes the password address of the firmware, so the password will be invalid after the customer upgrades from the old version of firmware (without FDR1 function) to the new version of firmware (with FDR1 function).
1115 -
1116 -Two different restore factory Settings configurations.
1117 -
1118 -(% style="color:blue" %)**AT command:**
1119 -
1120 -* (% style="color:#037691; font-weight:bold" %)**AT+FDR**(%%)**       **~/~/ Reset Parameters to Factory Default.
1121 -* (% style="color:#037691; font-weight:bold" %)**AT+FDR1**(%%)**     **~/~/ Reset parameters to factory default values except for passwords.(new)
1122 -
1123 -
1124 -=== Version Confirmation ===
1125 -
1126 -We are now dividing the **old firmware**(without FDR1 function) with the **new firmware**(with FDR1 function) by whether it contains FDR1 functionality. Please refer to the table:
1127 -
1128 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
1129 -|(% style="background-color:#4f81bd; color:white; width:210px" %)**General Model**|(% style="background-color:#4f81bd; color:white; width:150px" %)(((
1130 -**Firmware version**
1131 -
1132 -**(without FDR1 function)**
1133 -)))|(% style="background-color:#4f81bd; color:white; width:150px" %)(((
1134 -**Firmware version**
1135 -
1136 -**(with FDR1 function)**
1137 -)))
1138 -|(% style="width:210px" %)(((
1139 -CPL03-NB, S31-NB, SN50V3-NB, TS01-NB, D20-NB, DS03A-NB, DDS04-NB, DDS45-NB, DDS20-NB, DDS75-NB, LDS12-NB, LDS40-NB, LMS01-NB, MDS120-NB,  MDS200-NB, SE01-NB, SPH01-NB;
1140 -)))|(% style="width:150px" %)Before V1.2.1|(% style="width:150px" %)After V1.2.1 (including V1.2.1)
1141 -|(% style="width:210px" %)(((
1142 -WL03A-NB, SDI-12-NB;
1143 -)))|(% style="width:150px" %)Before V1.0.2|(% style="width:150px" %)(((
1144 -After V1.0.8 (including V1.0.2)
1145 -)))
1146 -|(% style="width:210px" %)(((
1147 -SW3L-NB, PS-NB;
1148 -)))|(% style="width:150px" %)Before V1.0.5|(% style="width:150px" %)(((
1149 -After V1.0.5 (including V1.0.5)
1150 -)))
1151 -|(% style="width:210px" %)RS485-NB|(% style="width:150px" %)Before V1.0.8|(% style="width:150px" %)After V1.0.8 (including V1.0.8)
1152 -
1153 -
1154 -=== UART connection and firmware update methods ===
1155 -
1156 -
1157 -Users can query passwords only using the UART interface via the STM32CubeProgrammer.
1158 -
1159 -See **[[UART Connection>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]]**.
1160 -
1161 -update firmware through UART TTL interface :** [[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.
1162 -
1163 -
1164 -=== query the password via STM32CubeProgrammer ===
1165 -
1166 -
1167 -Users can use the password address to query the password through STM32CubeProgrammer.
1168 -
1169 -* The password address for old firmware(without FDR1 function) : **0x08019000**
1170 -* The password address for new firmware(with FDR1 function) : **0x08025D00**
1171 -
1172 -(% style="color:red" %)**Notice: The password can only be queried after the firmware is run once.**
1173 -
1174 -
1175 -**Procedure for querying the password(old firmware):**
1176 -
1177 -* After the firmware upgrade is complete, switch back to the **FLASH** and reset the node to **run the firmware once**.
1178 -* Then place the switch at the **ISP** and connect to the STM32CubeProgrammer (same as when burning the firmware).
1179 -* Click "Device memory", enter **0x08019000** in "Address", and click "Read"
1180 -* Find the 0x08019000 address field and then read the current password as shown in the screenshot below.
1181 -
1182 -[[image:http://wiki.dragino.com/xwiki/bin/download/Why%20can%27t%20the%20password%20access%20AT%20command%20after%20upgrade%28-NB%29%3F/WebHome/image-20240827171901-3.png?width=912&height=528&rev=1.1||alt="image-20240827171901-3.png"]]
1183 -
1184 -
1185 -**Procedure for querying the password(new firmware):**
1186 -
1187 -Refer to [[the old and new firmware division>>http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#HVersionConfirmation]] above, and run the firmware first after updating the firmware.
1188 -
1189 -* After the firmware upgrade is complete, switch back to the **FLASH** and reset the node to **run the new firmware once**.
1190 -* Then place the switch at the **ISP** and connect to the STM32CubeProgrammer (same as when burning the firmware).
1191 -* Click "Device memory", enter **0x08025D00** in "Address", and click "Read"
1192 -* Find the 0x08025D00 address field and then read the current password as shown in the screenshot below.
1193 -
1194 -[[image:http://wiki.dragino.com/xwiki/bin/download/Why%20can%27t%20the%20password%20access%20AT%20command%20after%20upgrade%28-NB%29%3F/WebHome/image-20240827180414-1.png?width=910&height=527&rev=1.1||alt="image-20240827180414-1.png"]]
1195 -
1196 -
1197 -
1198 -=== Special case ===
1199 -
1200 -
1201 -If the user has never changed the password manually, the user cannot find the valid password through the above two password addresses. In this case, the valid password is still the original password on the node box label (**AT+PIN**).
1202 -
1203 -Invalid query screenshot example:
1204 -
1205 -
1206 -[[image:http://wiki.dragino.com/xwiki/bin/download/Why%20can%27t%20the%20password%20access%20AT%20command%20after%20upgrade%28-NB%29%3F/WebHome/image-20240827181447-4.png?width=889&height=519&rev=1.1||alt="image-20240827181447-4.png"]]
1207 -
1208 -[[image:http://wiki.dragino.com/xwiki/bin/download/Why%20can%27t%20the%20password%20access%20AT%20command%20after%20upgrade%28-NB%29%3F/WebHome/image-20240827181431-3.png?width=892&height=515&rev=1.1||alt="image-20240827181431-3.png"]]
1209 -
1210 -
1211 -
1212 1212  
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