Problem with SimpleWebServerWiFi example


I'm traying to connect my Arduino UNO R3 with a WiFi shield. I'm doing a probbe with the SimpleWebServerWiFi. I notice that the connection its OK, but I can't see the Web.

The message in the console is:
Please upgrade the firmware
Attempting to connect to Network named: JAZZTEL_U
IP Address:
signal strength (RSSI):-51 dBm
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When I'm traying to open, it doesn't work. I don't know who to upgrade the firmware. ┬┐How can I do that?

How can I do that?

Have you even tried to search? I didn't think,so.