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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 49.1
edited by Mengting Qiu
on 2025/07/29 13:42
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]].
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324 324  
325 -==== 4.1.2.5 For -NB /-NS model Certificate setting error/change certificate ====
325 +==== 4.1.2.5 For certificate coverage of the -NB/-NS model ====
326 326  
327 -When you set the wrong certificate or you need to re-set another certificate.
328 -Please use the following three commands：
327 +For the -NB/-NS models, there is no AT command available to clear configured certificates. Therefore, if users do not wish to use the pre-configured certificates, they only need to follow the instructions above and use the AT+CACERT, AT+CLICERT, and AT+CLIKEY commands to assign custom meaningless characters to the device. This will overwrite the original certificates.
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330 330  
331 -
332 -
333 -
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 ===