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by shigmas
Mon Nov 20, 2023 11:46 pm
Forum: ESP32 Arduino
Topic: ESP32-S3: Invalid head of packet (0x1B) Arduino IDE 2.0.3
Replies: 1
Views: 6419

Re: ESP32-S3: Invalid head of packet (0x1B) Arduino IDE 2.0.3

I guess you either gave up or found the solution elsewhere. But, in case someone else comes here looking for the solution, this may be it:
You need to put it in ROM bootloader mode. If you have DFU/boot and reset buttons, hold boot. While holding boot, press and release reset. Then release boot.