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Last modified by Mengting Qiu on 2025/07/29 15:24
From version 52.5
edited by Mengting Qiu
on 2025/07/29 15:24
Change comment: There is no comment for this version
To version 45.1
edited by Mengting Qiu
on 2025/03/06 13:42
Change comment: There is no comment for this version

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1 -Dragino -NB/-CB device connection to AWS platform instructions
1 +Dragino NB device connection to AWS platform instructions
Content
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322 322  After completing the certificate configuration, Burn the [[bootloader>>https://www.dropbox.com/sh/u0uzvvnn58yrie4/AAAvvF_KRveNgmDejzp23ziLa/NB-IoT/Bootloader?dl=0&subfolder_nav_tracking=1]] firmware first, then re-burn the original working [[firmware>>https://www.dropbox.com/sh/u0uzvvnn58yrie4/AACREHllkTe0rATD4ZOqddyga/NB-IoT?dl=0]].
323 323  
324 324  
325 -==== 4.1.2.5 Clear Certificates by Overwriting (For -NB/-NS Modules) ====
326 -
327 -
328 -The -NB/-NS modules (BC660K) do not support clearing certificates via AT commands or firmware updates.
329 -
330 -To effectively remove existing certificates, users may overwrite them with dummy data.
331 -
332 -1.Flash the certificate-provisioning firmware: **[[Set up TLS certificate - Dropbox>>https://www.dropbox.com/scl/fo/1ykfsesmr3702tj3kp663/AOOyH1GiVEOGR41gASuiDk0?rlkey=1q7a1b5yvjgt87d16w8tt0cum&st=vdy765ut&dl=0||data-sider-select-id="830d1b64-cb24-48b3-91e4-49da5c3f0783"]]**
333 -
334 -2. Use the standard AT commands (AT+CACERT, AT+CLICERT, AT+CLIKEY) to write non-certificate data (e.g., random strings like 123456).
335 -Example:
336 -
337 -AT+CACERT=123456}
338 -
339 -AT+CLICERT=123456}
340 -
341 -AT+CLIKEY=123456}
342 -
343 -3. Check for success responses after each command:
344 -
345 -[[image:1753772253801-330.png||height="495" width="620"]]
346 -
347 -(If you get "Failure", retry or check module connectivity.)
348 -
349 -
350 350  == 4.2  For -CB /-CS model ==
351 351  
352 352  === 4.2.1 Upgrade the firmware to configure TLS firmware to set the certificate ===
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362 362  
363 363  Methods to Update Firmware:
364 364  
340 +* (Recommended way) OTA firmware update via BLE: [[**Instruction**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE_Firmware_Update_NB_Sensors_BC660K-GL/]].
341 +
365 365  * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.
366 366  
367 367  === 4.2.2 Configure certificate ===
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550 550  Display(% style="color:blue" %)** "Successfully configured client private key."**(%%) If the configuration is successful, otherwise it is considered configuration failure.
551 551  
552 552  
553 -==== 4.2.2.4 Re-upgrade the firmware ====
530 +==== 4.2.2.4 For -CB /-CS model Certificate setting error/change certificate ====
554 554  
555 555  
556 -After completing the certificate configuration, Burn the [[bootloader>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AE23WqlQ8CKU4cuy-sP1JkM/Utility/NB-IoT%20Bootloader?rlkey=ojjcsw927eaow01dgooldq3nu&e=1&subfolder_nav_tracking=1&dl=0]] firmware first, then re-burn the original working [[firmware>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/ANd2flSqspRRXl-ksF6gUqk/LTE-M?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
557 -
558 -
559 -==== 4.2.2.5 For -CB /-CS model Certificate setting error/change certificate ====
560 -
561 -
562 562  (% data-sider-select-id="7c5a8abc-e707-467b-ac02-db0a89098320" %)When you set the wrong certificate or you need to re-set another certificate.
563 563  Please use the following three commands：
564 564  
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