Flash failure from Wifi writing credentials #485

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opened 2026-04-05 17:53:04 +02:00 by MrUnknownDE · 0 comments
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Originally created by @sctanf on 11/4/2021

Wifi.begin() writes credentials to flash every time it is called, on some boards this causes the flash to fail quickly, resulting in Wifi.begin() resetting the board.

Calling Wifi.persistent(false) before Wifi.begin() (and potentially other wifi functions) stops the credentials from being written. On boards with failing flash, this will continue working.

*Originally created by @sctanf on 11/4/2021* Wifi.begin() writes credentials to flash every time it is called, on some boards this causes the flash to fail quickly, resulting in Wifi.begin() resetting the board. Calling Wifi.persistent(false) before Wifi.begin() (and potentially other wifi functions) stops the credentials from being written. On boards with failing flash, this will continue working.
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Reference: github/SlimeVR-Tracker-ESP#485