Hi @freeride01,

I don't know the exact reason, but I managed to get this running on v2.8. I erased the device completely before loading the test f/w.
I'll put a link to a small video I made for everyone's reference.

https://www.youtube.com/watch?v=4dnm0A4OP7Y
Wish you all the best!

Do you still need help on this? The RAR file is corrupted and cannot be opened.

Just to confirm - I have tested this recently on a WROOM32 devkit, and a custom designed board, and had success with both.
I tested WiFi and BT tx with a spectrum analyzer and was getting good signal strength.

This was download into RAM.
Sorry - not very helpful...

I would re-check the basics ...

[Background]

We recently sent a few custom-designed devices based on ESP32 Pico D4 to a test lab for CE Compliance testing. There they informed me that the devices are not Txing on 2.4GHz WiFi band.

image002.png image011.png

I had sent them the ESP RF Test tool v2.5 back then. I also tried to ...

Hi all,
Chip: ESP32-PICO-D4 (revision 1)
Arduino IDE : 1.8.9
esptool.py v2.6-beta1
OS : Windows 10
PCB: Custom made ESP32 module

I have a set of hex values (2348 elements) which is stored in uint8_t ecodebin[] = { 0x00, 0x00, ....} .
I am appending each element to a file "/system/ecode" using ...