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Last modified by Mengting Qiu on 2025/07/29 15:24
From version 49.6
edited by Mengting Qiu
on 2025/07/29 14:02
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To version 44.1
edited by Mengting Qiu
on 2025/03/06 13:42
Change comment: Uploaded new attachment "image-20250306134213-1.png", version {1}

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Title
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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 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 -1. Overwrite Certificates:
333 -
334 -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 -2. Upload Valid Certificates (Optional):
344 -
345 -After overwriting, users may proceed to upload new valid certificates if needed.
346 -
347 -
348 348  == 4.2  For -CB /-CS model ==
349 349  
350 350  === 4.2.1 Upgrade the firmware to configure TLS firmware to set the certificate ===
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360 360  
361 361  Methods to Update Firmware:
362 362  
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 +
363 363  * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.
364 364  
365 365  === 4.2.2 Configure certificate ===
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425 425  
426 426  After successful execution, as shown in the following figure.
427 427  
428 -[[image:image-20250306134213-1.png]]
407 +[[image:image-20240528174502-15.png]]
429 429  
430 430  Display (% style="color:blue" %)**"Successfully configured CA certificate."**(%%) If the configuration is successful, otherwise it is considered configuration failure.
431 431  
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548 548  Display(% style="color:blue" %)** "Successfully configured client private key."**(%%) If the configuration is successful, otherwise it is considered configuration failure.
549 549  
550 550  
551 -==== 4.2.2.4 Re-upgrade the firmware ====
530 +==== 4.2.2.4 For -CB /-CS model Certificate setting error/change certificate ====
552 552  
553 553  
554 -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]].
555 -
556 -
557 -==== 4.2.2.5 For -CB /-CS model Certificate setting error/change certificate ====
558 -
559 -
560 560  (% data-sider-select-id="7c5a8abc-e707-467b-ac02-db0a89098320" %)When you set the wrong certificate or you need to re-set another certificate.
561 561  Please use the following three commands：
562 562