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Last modified by Mengting Qiu on 2025/07/29 15:24
From version 50.1
edited by Mengting Qiu
on 2025/07/29 14:26
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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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346 346  AT+CLIKEY=123456}
347 347  
348 348  
349 -**Scenario B:** Testing Certificate Upload Functionality
350 350  
351 -If users want to test whether certificate writing works (without having valid certificates yet):
352 -
353 -~1. Follow the same steps as above.
354 -
355 355  2. Check for success responses after each command:
356 356  
357 -* Expected output:
352 +[[image:1753772253801-330.png||height="495" width="620"]]
358 358  
354 +* If you get "Failure", retry or check module connectivity.
359 359  
360 -
361 -* If you get ERROR, retry or check module connectivity.
362 -
363 363  3. Later, when you have real certificates, overwrite the dummy data with actual certificates.
364 364  
365 365  
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