WiFiManager: WiFi settings are not saved if ESP32 is restarted in SaveConfigCallback

Basic Infos

Hardware

WiFimanager Branch/Release: Master

Esp8266/Esp32:

Hardware: Heltec wifi-lora-32-v3

Core Version: 2.4.0, staging

Description

Steps to reproduce

• Connect to AP
• Set incorrect wifi password and save
• Add setSaveConfigCallback to code
• Restart ESP32
• Connect to AP
• Provide correct password and save
• Web shows “Saved” and ESP32 is restarted
• ESP32 is trying to connect to previously provided, incorrect password

Settings in IDE

Module: Heltec wifi-lora-32-v3

Sketch

void saveConfigCallback()
    {
        delay(2000);
        ESP.restart();
    }

        WiFi.mode(WIFI_STA);

        wm.setSaveConfigCallback([&]()
                                 { saveConfigCallback(); });

        wm.setBreakAfterConfig(true);

        wm.addParameter(&paramMqttServer);
        wm.addParameter(&paramMqttPort);
        wm.addParameter(&paramMqttUser);
        wm.addParameter(&paramMqttPassword);

        std::vector<const char *> wm_menu = {"wifi", "exit"};
        wm.setShowInfoUpdate(false);
        wm.setShowInfoErase(false);
        wm.setMenu(wm_menu);

        bool res = wm.autoConnect(_SSID);