Skip to Content
Last modified by Mengting Qiu on 2025/07/29 15:24
From version 48.2
edited by Mengting Qiu
on 2025/07/29 13:37
Change comment: There is no comment for this version
To version 49.6
edited by Mengting Qiu
on 2025/07/29 14:02
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -322,15 +322,29 @@
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 For -NB /-NS model Certificate setting error/change certificate ====
325 +==== 4.1.2.5 Overwriting Certificates on -NB/-NS Models ====
326 326  
327 -When you set the wrong certificate or you need to re-set another certificate.
328 -Please use the following three commands：
329 329  
328 +The -NB/-NS modules (BC660K) do not support clearing certificates via AT commands or firmware updates.
330 330  
330 +To effectively "clear" existing certificates, users may overwrite them with arbitrary data by following these steps:
331 331  
332 +1. Overwrite Certificates:
332 332  
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:
333 333  
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 +
334 334  == 4.2  For -CB /-CS model ==
335 335  
336 336  === 4.2.1 Upgrade the firmware to configure TLS firmware to set the certificate ===