ESP32 Forum

Posted: **Mon Jan 17, 2022 4:01 pm**

I made a firmware updater inside my device and got very poore speed of firmware writing. It takes 28 minuts to write 1.3 MB from memory to flash inside esp32s3.
Is it OK or i can make the speed normal?

Posted: **Mon Jan 17, 2022 4:44 pm**

I found the problem. I cut data to chunks of 4k and it works fine.

ESP32 Forum

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esp_ota_write() speed

Re: esp_ota_write() speed