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Last modified by Mengting Qiu on 2025/07/29 15:24
From version 45.1
edited by Mengting Qiu
on 2025/03/06 13:42
Change comment: There is no comment for this version
To version 49.2
edited by Mengting Qiu
on 2025/07/29 13:58
Change comment: There is no comment for this version

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Title
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1 -Dragino NB device connection to AWS platform instructions
1 +Dragino -NB/-CB 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 Overwriting Certificates on -NB/-NS Models ====
326 +
327 +
328 +The -NB/-NS modules (BC660K) do not support clearing certificates via AT commands or firmware updates.
329 +
330 +To effectively "clear" existing certificates, users may overwrite them with arbitrary data by following these steps:
331 +
332 +
333 +
334 +
325 325  == 4.2  For -CB /-CS model ==
326 326  
327 327  === 4.2.1 Upgrade the firmware to configure TLS firmware to set the certificate ===
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337 337  
338 338  Methods to Update Firmware:
339 339  
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 -
342 342  * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.
343 343  
344 344  === 4.2.2 Configure certificate ===
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527 527  Display(% style="color:blue" %)** "Successfully configured client private key."**(%%) If the configuration is successful, otherwise it is considered configuration failure.
528 528  
529 529  
530 -==== 4.2.2.4 For -CB /-CS model Certificate setting error/change certificate ====
538 +==== 4.2.2.4 Re-upgrade the firmware ====
531 531  
532 532  
541 +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]].
542 +
543 +
544 +==== 4.2.2.5 For -CB /-CS model Certificate setting error/change certificate ====
545 +
546 +
533 533  (% data-sider-select-id="7c5a8abc-e707-467b-ac02-db0a89098320" %)When you set the wrong certificate or you need to re-set another certificate.
534 534  Please use the following three commands：
535 535