Hi, this is the reason and fixed by this issue.

https://github.com/espressif/arduino-esp32/pull/3135

Add support for 160MHz rated CPUs:
Some ESP32 chips are rated only to 160MHz. This change adds support for them and does not allow frequency to be switched to 240MHz


And ESP32 chip Series ...

Hi guys,

I got fixed.

try this latest development release;

Arduino core for ESP32
https://github.com/espressif/arduino-esp32/releases/tag/1.0.3-rc3

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I had same problem.
1. There is no problem on ESP-IDF.
2. I had this reboot problem only using Arduino IDE.
> rst:0x3 (SW_RESET),boot:0x13 ...