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Last modified by Mengting Qiu on 2025/07/29 15:24
From version 49.1
edited by Mengting Qiu
on 2025/07/29 13:42
Change comment: There is no comment for this version
To version 47.1
edited by Mengting Qiu
on 2025/05/20 15:54
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 For certificate coverage of the -NB/-NS model ====
326 -
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.
328 -
329 -
330 330  == 4.2  For -CB /-CS model ==
331 331  
332 332  === 4.2.1 Upgrade the firmware to configure TLS firmware to set the certificate ===
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342 342  
343 343  Methods to Update Firmware:
344 344  
340 +* (Recommended way) OTA firmware update via BLE: [[**Instruction**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE_Firmware_Update_NB_Sensors_BC660K-GL/]].
341 +
345 345  * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.
346 346  
347 347  === 4.2.2 Configure certificate ===