Skip to Content
Last modified by Mengting Qiu on 2025/07/29 15:24
From version 49.9
edited by Mengting Qiu
on 2025/07/29 14:15
Change comment: There is no comment for this version
To version 49.5
edited by Mengting Qiu
on 2025/07/29 14:00
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -322,22 +322,15 @@
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 Overwriting Certificates on -NB/-NS Models ====
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.
331 -
332 332  To effectively "clear" existing certificates, users may overwrite them with arbitrary data by following these steps:
333 333  
334 -**Scenario A:** Clearing Existing Certificates
332 +1. Overwrite Certificates:
335 335  
336 -If users want to remove old certificates:
337 -
338 -
339 -
340 -
341 341  Use the standard AT commands (AT+CACERT, AT+CLICERT, AT+CLIKEY) to write non-certificate data (e.g., random strings like 123456).
342 342  Example:
343 343  
... ... @@ -347,11 +347,8 @@
347 347  
348 348  AT+CLIKEY=123456}
349 349  
350 -2. Upload Valid Certificates (Optional):
351 351  
352 -After overwriting, users may proceed to upload new valid certificates if needed.
353 353  
354 -
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 ===