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I am trying to use the OTA to update my code in esp32. I have used Web updater so far and it has worked perfectly. But I want to update the code even when I am not connected in the same network with my esp32. Say, the esp32 have an ip from my phone Ap : 192.168.1.43 and I am connected in a different one say, 192.168.25.12 As both of them are class C ip having default subnet mask then we are in different network.

I have found this following question OTA updating the ESP32 from a separate server It did not clarify things to me.

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  • I know nothing about OTA updates, but isn't this just a routing problem between the networks?
    – chrisl
    Jan 21, 2020 at 13:26
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    then it is better to download he update with the HTTPUpdate library
    – Juraj ♦
    Jan 21, 2020 at 14:24
  • there's 3 different OTA routines i've seen, (IDE, self-hosted web, WWW) maybe more exist. the one where your bin files are on a web server should work across different nets, as long as they have internet.
    – dandavis
    Jan 21, 2020 at 18:48
  • dandavis by self hosted do you mean the bin file and esp32 are connected in the same network?? And by www, in other networks??
    – sdebarun
    Jan 24, 2020 at 4:24

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