I can't upload SSL certificates to my arduino Wifi

[Anthony_P]

Hello,

Firstly, I hope I am in the right place to address my issue.

So, here's the situation: I've been trying for quite some time to connect two of my WiFi Arduinos to the Telegram API service. The problem is that I can't seem to connect to their server. I've already succeeded with the Arduino MKR WiFi 1010, but never with my Arduino WiFi Rev2.

I understand that I need to upload the certificates to the module for it to work, something I've managed to do ONCE with my Arduino MKR, but not with my Arduino WiFi Rev2.

Here's my procedure:

1. I upload the WiFiNINA library sketch to update the firmware.
2. I update the firmware to the latest version (1.5.0; but I've also tried 1.4.8). -- If I just do this, I can connect to my local WiFi, but not to the server. So:
3. I upload the certificate (still using the IDE tool) to my Arduino.

From this point on, when I use the WiFiSSLClient example sketch from the WifiNINA library, the Arduino tells me it can't communicate with the module (and therefore, no connection to my WiFi is possible, and no connection to the Telegram server).

Have you encountered this kind of problem before? How can I upload the certificates without corrupting the firmware?

(Note that I've tried with IDE 1.8.19 and the new IDE 2 version [and actually, in IDE 2, I often don't even see my board from the firmware update tool])

Any help or troubleshooting tips would be greatly appreciated.

[Anthony_P]

Sorry, I first did one in French and thought that in English it would be better ; but I forgot to delete the first one. It's done now ; but I still need help!!

[b707]

Thank you for closing the duplicate topic.