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Last modified by Mengting Qiu on 2025/07/29 15:24
From version 49.6
edited by Mengting Qiu
on 2025/07/29 14:02
Change comment: There is no comment for this version
To version 49.2
edited by Mengting Qiu
on 2025/07/29 13:58
Change comment: There is no comment for this version

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329 329  
330 330  To effectively "clear" existing certificates, users may overwrite them with arbitrary data by following these steps:
331 331  
332 -1. Overwrite Certificates:
333 333  
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:
336 336  
337 -AT+CACERT=123456}
338 338  
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 -
348 348  == 4.2  For -CB /-CS model ==
349 349  
350 350  === 4.2.1 Upgrade the firmware to configure TLS firmware to set the certificate ===