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Last modified by Mengting Qiu on 2025/07/29 15:24
From version 49.14
edited by Mengting Qiu
on 2025/07/29 14:23
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To version 52.3
edited by Mengting Qiu
on 2025/07/29 15:22
Change comment: There is no comment for this version

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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 Certificate Management for -NB/-NS Models ====
325 +==== 4.1.2.5 Clear Certificates by Overwriting (For -NB/-NS Modules) ====
326 326  
327 327  
328 328  The -NB/-NS modules (BC660K) do not support clearing certificates via AT commands or firmware updates.
329 329  
330 -To effectively remove existing certificates or test certificate upload functionality, users may overwrite them with dummy data.
330 +To effectively remove existing certificates, users may overwrite them with dummy data.
331 331  
332 332  
333 333  To effectively "clear" existing certificates, users may overwrite them with arbitrary data by following these steps:
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345 345  
346 346  AT+CLIKEY=123456}
347 347  
348 -**Scenario B:** Testing Certificate Upload Functionality
349 349  
350 -2. Upload Valid Certificates (Optional):
351 351  
352 -After overwriting, users may proceed to upload new valid certificates if needed.
350 +2. Check for success responses after each command:
353 353  
352 +[[image:1753772253801-330.png||height="495" width="620"]]
354 354  
354 +* If you get "Failure", retry or check module connectivity.
355 +
356 +3. Later, when you have real certificates, overwrite the dummy data with actual certificates.
357 +
358 +
355 355  == 4.2  For -CB /-CS model ==
356 356  
357 357  === 4.2.1 Upgrade the firmware to configure TLS firmware to set the certificate ===
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