19 dec. 2025 · Now try installing/updating the " esp32 " boards platform again, just the same as you did before. Hopefully this time it will be successful. The Arduino CLI developers are tracking the need to …

20 dec. 2025 · When attempting to upgrade from 3.3.4 to 3.3.5 or installing 3.3.5 from scratch, the installation errors before completion. This problem does not occur on any other version of the package.

3 aug. 2025 · The timeout at which Arduino IDE cancels a download is configurable. You should be able to work around this problem by configuring a higher timeout value. I'll provide instructions you can …

You aren't alone! This error usually happens when the Arduino IDE connection to the Espressif servers times out due to slow network speeds or server-side lag....more

26 dec. 2025 · Cant seem to install ESP32 boards onto Arduino IDE- met with a timeout message- 'Failed to install platform: 'esp32:esp32:3.3.5'. Error: 4 DEADLINE_EXCEEDED: context deadline exceeded …

27 dec. 2025 · Failed to install platform: 'esp32:esp32:3.3.5'. Error: 4 DEADLINE_EXCEEDED: context deadline exceeded (Client.Timeout or context cancellation while reading body)

Solution To avoid this error, you can install the python-is-python3 package to create the symbolic links.

31 dec. 2025 · The message you shared is specific to the timeout, so if you are still encountering that then we will know that the failure is caused by a timeout. However, if you are getting a different error …

18 jun. 2020 · If you’re having trouble compiling code for your ESP32 or ESP8266 boards using Arduino IDE due to an error downloading the boards’ URLs, you can follow this guide to help you fix the …

25 dec. 2025 · I’m using a SparkFun Pro Mini ESP32, and I already added the SparkFun Boards Manager URL. Network is stable, but the download always times out. Has anyone encountered this and found a …