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 49.17
edited by Mengting Qiu
on 2025/07/29 14:25
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -329,16 +329,14 @@
329 329  
330 330  To effectively remove existing certificates or test certificate upload functionality, users may overwrite them with dummy data.
331 331  
332 +
332 332  To effectively "clear" existing certificates, users may overwrite them with arbitrary data by following these steps:
333 333  
334 334  **Scenario A:** Clearing Existing Certificates
335 335  
336 -If users want to remove old certificates:
337 +1.Flash the certificate-provisioning firmware: **[[Set up TLS certificate - Dropbox>>https://www.dropbox.com/scl/fo/1ykfsesmr3702tj3kp663/AOOyH1GiVEOGR41gASuiDk0?rlkey=1q7a1b5yvjgt87d16w8tt0cum&st=vdy765ut&dl=0||data-sider-select-id="830d1b64-cb24-48b3-91e4-49da5c3f0783"]]**
337 337  
338 -
339 -
340 -
341 -Use the standard AT commands (AT+CACERT, AT+CLICERT, AT+CLIKEY) to write non-certificate data (e.g., random strings like 123456).
339 +2. 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  
344 344  AT+CACERT=123456}
... ... @@ -347,11 +347,19 @@
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.
349 +**Scenario B:** Testing Certificate Upload Functionality
353 353  
351 +If users want to test whether certificate writing works (without having valid certificates yet):
354 354  
353 +~1. Follow the same steps as above.
354 +
355 +2. Check for success responses after each command:
356 +
357 +
358 +3. Later, when you have real certificates, overwrite the dummy data with actual certificates.
359 +
360 +
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 ===