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[GH-ISSUE #1467] WifiManager library on ESP32-S3. Form mobile phone cant see esp32s3 Access point #1256

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opened 2026-02-28 01:29:16 +03:00 by kerem · 15 comments
kerem commented 2026-02-28 01:29:16 +03:00
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Originally created by @BEMEX-LTD on GitHub (Aug 5, 2022).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/1467

WifiManager library on ESP32-S3. Form mobile phone or another computer cant see esp32s3 Access point.

Originally created by @BEMEX-LTD on GitHub (Aug 5, 2022). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/1467 WifiManager library on ESP32-S3. Form mobile phone or another computer cant see esp32s3 Access point.
kerem 2026-02-28 01:29:16 +03:00
kerem commented 2026-02-28 01:29:16 +03:00
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@BEMEX-LTD commented on GitHub (Aug 7, 2022):

if using lattes release/v5.1.0'
WiFi manager softAP does`t working i go back to 4.4.0 then works everything

<!-- gh-comment-id:1207376125 --> @BEMEX-LTD commented on GitHub (Aug 7, 2022): if using lattes [release/v5.1.0'](https://github.com/platformio/platform-espressif32/commit/a28daed18bcea98708bc2bd207da28034fe7e0fd) WiFi manager softAP does`t working i go back to 4.4.0 then works everything
kerem commented 2026-02-28 01:29:16 +03:00
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@tablatronix commented on GitHub (Aug 8, 2022):

hmm

<!-- gh-comment-id:1208118010 --> @tablatronix commented on GitHub (Aug 8, 2022): hmm
kerem commented 2026-02-28 01:29:16 +03:00
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@BEMEX-LTD commented on GitHub (Aug 10, 2022):

With PlatformIO core V5.1.0 ESP32-s2-solana dev board also not working with WiFiManager lib.
Cant find SSID AutoConnectAP
I used 4 different mobile phones and 2 different lapto PC to find esp32 in WiFi list

platform.ini:
[env:esp32-s2-saola-1]
platform = espressif32
board = esp32-s2-saola-1
framework = arduino
monitor_speed = 115200

lib_deps =
https://github.com/tzapu/WiFiManager.git

Terminal output:
SPIFFS mounted
*wm:[1] AutoConnect
*wm:[2] ESP32 event handler enabled
*wm:[2] Connecting as wifi client...
*wm:[2] setSTAConfig static ip not set, skipping
*wm:[1] Connecting to SAVED AP: espressif
*wm:[1] connectTimeout not set, ESP waitForConnectResult...
*wm:[2] [EVENT] WIFI_REASON: 201
*wm:[2] [EVENT] WIFI_REASON: NO_AP_FOUND
*wm:[2] Connection result: WL_NO_SSID_AVAIL
*wm:[1] AutoConnect: FAILED
*wm:[2] Starting Config Portal
*wm:[2] Disabling STA
*wm:[2] Enabling AP
*wm:[1] StartAP with SSID: AutoConnectAP
*wm:[2] AP has anonymous access!
*wm:[1] AP IP address: 192.168.4.1
*wm:[1] Starting Web Portal
*wm:[2] HTTP server started
*wm:[2] Config Portal Running, blocking, waiting for clients...
*wm:[2] NUM CLIENTS: 0

Code i`m using for this test:

#include <Arduino.h>
#include <SPIFFS.h>
#include <FS.h>
#include <WiFiManager.h> 



void setup() {
  Serial.begin(115200);
  if (!SPIFFS.begin(true))
  {
    Serial.println("SPIFFS failure");
  }
    Serial.println("SPIFFS mounted");

    WiFiManager wifiManager;
   
    wifiManager.autoConnect("AutoConnectAP");
    
    Serial.println("connected...yeey :)");
}

void loop() {
  // put your main code here, to run repeatedly:
}
<!-- gh-comment-id:1210266529 --> @BEMEX-LTD commented on GitHub (Aug 10, 2022): With PlatformIO core V5.1.0 ESP32-s2-solana dev board also not working with WiFiManager lib. Cant find SSID AutoConnectAP I used 4 different mobile phones and 2 different lapto PC to find esp32 in WiFi list platform.ini: [env:esp32-s2-saola-1] platform = espressif32 board = esp32-s2-saola-1 framework = arduino monitor_speed = 115200 lib_deps = https://github.com/tzapu/WiFiManager.git Terminal output: SPIFFS mounted *wm:[1] AutoConnect *wm:[2] ESP32 event handler enabled *wm:[2] Connecting as wifi client... *wm:[2] setSTAConfig static ip not set, skipping *wm:[1] Connecting to SAVED AP: espressif *wm:[1] connectTimeout not set, ESP waitForConnectResult... *wm:[2] [EVENT] WIFI_REASON: 201 *wm:[2] [EVENT] WIFI_REASON: NO_AP_FOUND *wm:[2] Connection result: WL_NO_SSID_AVAIL *wm:[1] AutoConnect: FAILED *wm:[2] Starting Config Portal *wm:[2] Disabling STA *wm:[2] Enabling AP *wm:[1] StartAP with SSID: AutoConnectAP *wm:[2] AP has anonymous access! *wm:[1] AP IP address: 192.168.4.1 *wm:[1] Starting Web Portal *wm:[2] HTTP server started *wm:[2] Config Portal Running, blocking, waiting for clients... *wm:[2] NUM CLIENTS: 0 Code i`m using for this test: ```c++ #include <Arduino.h> #include <SPIFFS.h> #include <FS.h> #include <WiFiManager.h> void setup() { Serial.begin(115200); if (!SPIFFS.begin(true)) { Serial.println("SPIFFS failure"); } Serial.println("SPIFFS mounted"); WiFiManager wifiManager; wifiManager.autoConnect("AutoConnectAP"); Serial.println("connected...yeey :)"); } void loop() { // put your main code here, to run repeatedly: } ```
kerem commented 2026-02-28 01:29:16 +03:00
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@tablatronix commented on GitHub (Aug 10, 2022):

Oh so , no soft ap running?

Not sure what the issue would be unless its a power supply problem or wifi issue with the board.

Have you tried another esp32?

<!-- gh-comment-id:1211005377 --> @tablatronix commented on GitHub (Aug 10, 2022): Oh so , no soft ap running? Not sure what the issue would be unless its a power supply problem or wifi issue with the board. Have you tried another esp32?
kerem commented 2026-02-28 01:29:16 +03:00
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@BEMEX-LTD commented on GitHub (Aug 10, 2022):

I tested with esp32-S3 Dev and ESP32-S2 dev both have same issue.
Only works with old ESP32 dev board.

if i try in main.cpp file

WiFi.mode(WIFI_AP);
WiFi.softAP("ESP32-Dev");

i can find SSID and connect to it.
using lattes platformIO Core @ 6.1.3

<!-- gh-comment-id:1211021843 --> @BEMEX-LTD commented on GitHub (Aug 10, 2022): I tested with esp32-S3 Dev and ESP32-S2 dev both have same issue. Only works with old ESP32 dev board. if i try in main.cpp file WiFi.mode(WIFI_AP); WiFi.softAP("ESP32-Dev"); i can find SSID and connect to it. using lattes platformIO Core @ 6.1.3
kerem commented 2026-02-28 01:29:16 +03:00
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@tablatronix commented on GitHub (Aug 10, 2022):

Try enabling esp debug and see if there is anything useful, I will test my S2 later, but it worked last time I tried it.
Also what exact esp lib/arduino version are you on?

<!-- gh-comment-id:1211037382 --> @tablatronix commented on GitHub (Aug 10, 2022): Try enabling esp debug and see if there is anything useful, I will test my S2 later, but it worked last time I tried it. Also what exact esp lib/arduino version are you on?
kerem commented 2026-02-28 01:29:16 +03:00
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@tablatronix commented on GitHub (Aug 10, 2022):

[env:esp32-s2-saola-1]
platform = espressif32
board = esp32-s2-saola-1
framework = arduino

; change microcontroller
board_build.mcu = esp32s2

; change MCU frequency
board_build.f_cpu = 240000000L

*wm:[1] Free heap:        188476
*wm:[1] ESP SDK version:  v4.4.1-1-gb8050b365e

Screen Shot 2022-08-10 at 5 56 42 PM

<!-- gh-comment-id:1211368684 --> @tablatronix commented on GitHub (Aug 10, 2022): ``` [env:esp32-s2-saola-1] platform = espressif32 board = esp32-s2-saola-1 framework = arduino ; change microcontroller board_build.mcu = esp32s2 ; change MCU frequency board_build.f_cpu = 240000000L ``` ``` *wm:[1] Free heap: 188476 *wm:[1] ESP SDK version: v4.4.1-1-gb8050b365e ``` ![Screen Shot 2022-08-10 at 5 56 42 PM](https://user-images.githubusercontent.com/807787/184037281-04a27b6e-5a7e-4d91-9574-f15fc0776776.png)
kerem commented 2026-02-28 01:29:16 +03:00
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@tablatronix commented on GitHub (Aug 10, 2022):

Screen Shot 2022-08-10 at 6 06 15 PM
Screen Shot 2022-08-10 at 6 06 08 PM

<!-- gh-comment-id:1211382504 --> @tablatronix commented on GitHub (Aug 10, 2022): ![Screen Shot 2022-08-10 at 6 06 15 PM](https://user-images.githubusercontent.com/807787/184038052-8cf1c9c8-7e98-4226-a82f-6cbb9982872c.png) ![Screen Shot 2022-08-10 at 6 06 08 PM](https://user-images.githubusercontent.com/807787/184038058-056b554b-91d9-4da5-84e0-d96c0d0f23e0.png)
kerem commented 2026-02-28 01:29:16 +03:00
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@tablatronix commented on GitHub (Aug 10, 2022):

Shrug works for me

<!-- gh-comment-id:1211382723 --> @tablatronix commented on GitHub (Aug 10, 2022): Shrug works for me
kerem commented 2026-02-28 01:29:16 +03:00
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@letis009 commented on GitHub (Aug 21, 2022):

awesome library but ... same issue with my c3
works 100% fine with esp32-wrover-iB but no visible AP on esp32-c3-wroom-02
using latest version available today

using arduino IDE 1.8 and tested c3 with other wifi libraries to scan , connect and host AP with successful results

16:05:45.560 -> entry 0x403ce000
16:05:45.702 -> [   193][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 0 - WIFI_READY
16:05:45.750 -> [   224][V][WiFiGeneric.cpp*wm:[1] resetSettings 
16:05:46.265 -> [   769][V][WiFiGeneric.cpp:341] _arduino_event_cb(): STA Stopped
16:05:46.265 -> [   770][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 3 - STA_STOP
16:05:46.265 -> *wm:[1] SETTINGS ERASED 
16:05:46.265 -> *wm:[1] AutoConnect 
16:05:46.313 -> [   789][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 0 - WIFI_READY
16:05:46.313 -> [   795][V][WiFiGeneric.cpp:338] _arduino_event_cb(): STA Started
16:05:46.313 -> [   795][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 2 - STA_START
16:05:46.313 -> *wm:[1] No Credentials are Saved, skipping connect 
16:05:46.313 -> *wm:[2] Starting Config Portal 
16:05:46.313 -> *wm:[2] AccessPoint set password is VALID 
16:05:46.313 -> [   820][V][WiFiGeneric.cpp:341] _arduino_event_cb(): STA Stopped
16:05:46.313 -> [   820][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 3 - STA_STOP
16:05:46.313 -> *wm:[2] Disabling STA 
16:05:46.359 -> *wm:[2] Enabling AP 
16:05:46.359 -> *wm:[1] StartAP with SSID:  AutoConnectAP
16:05:46.359 -> [   840][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 0 - WIFI_READY
16:05:46.359 -> [   850][V][WiFiGeneric.cpp:390] _arduino_event_cb(): AP Started
16:05:46.359 -> [   850][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 10 - AP_START
16:05:46.833 -> *wm:[1] AP IP address: 192.168.4.1
16:05:46.881 -> *wm:[1] Starting Web Portal 
16:05:46.881 -> [  1352][V][WiFiServer.h:42] WiFiServer(): WiFiServer::WiFiServer(port=80, ...)
16:05:46.881 -> [  1353][V][WebServer.cpp:85] WebServer(): WebServer::Webserver(port=80)
16:05:46.881 -> *wm:[2] HTTP server started 
16:05:46.881 -> *wm:[2] Config Portal Running, blocking, waiting for clients... 
16:06:15.526 -> *wm:[2] NUM CLIENTS:  0
<!-- gh-comment-id:1221553633 --> @letis009 commented on GitHub (Aug 21, 2022): awesome library but ... same issue with my c3 works 100% fine with esp32-wrover-iB but no visible AP on esp32-c3-wroom-02 using latest version available today using arduino IDE 1.8 and tested c3 with other wifi libraries to scan , connect and host AP with successful results ``` 16:05:45.560 -> entry 0x403ce000 16:05:45.702 -> [ 193][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 0 - WIFI_READY 16:05:45.750 -> [ 224][V][WiFiGeneric.cpp*wm:[1] resetSettings 16:05:46.265 -> [ 769][V][WiFiGeneric.cpp:341] _arduino_event_cb(): STA Stopped 16:05:46.265 -> [ 770][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 3 - STA_STOP 16:05:46.265 -> *wm:[1] SETTINGS ERASED 16:05:46.265 -> *wm:[1] AutoConnect 16:05:46.313 -> [ 789][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 0 - WIFI_READY 16:05:46.313 -> [ 795][V][WiFiGeneric.cpp:338] _arduino_event_cb(): STA Started 16:05:46.313 -> [ 795][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 2 - STA_START 16:05:46.313 -> *wm:[1] No Credentials are Saved, skipping connect 16:05:46.313 -> *wm:[2] Starting Config Portal 16:05:46.313 -> *wm:[2] AccessPoint set password is VALID 16:05:46.313 -> [ 820][V][WiFiGeneric.cpp:341] _arduino_event_cb(): STA Stopped 16:05:46.313 -> [ 820][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 3 - STA_STOP 16:05:46.313 -> *wm:[2] Disabling STA 16:05:46.359 -> *wm:[2] Enabling AP 16:05:46.359 -> *wm:[1] StartAP with SSID: AutoConnectAP 16:05:46.359 -> [ 840][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 0 - WIFI_READY 16:05:46.359 -> [ 850][V][WiFiGeneric.cpp:390] _arduino_event_cb(): AP Started 16:05:46.359 -> [ 850][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 10 - AP_START 16:05:46.833 -> *wm:[1] AP IP address: 192.168.4.1 16:05:46.881 -> *wm:[1] Starting Web Portal 16:05:46.881 -> [ 1352][V][WiFiServer.h:42] WiFiServer(): WiFiServer::WiFiServer(port=80, ...) 16:05:46.881 -> [ 1353][V][WebServer.cpp:85] WebServer(): WebServer::Webserver(port=80) 16:05:46.881 -> *wm:[2] HTTP server started 16:05:46.881 -> *wm:[2] Config Portal Running, blocking, waiting for clients... 16:06:15.526 -> *wm:[2] NUM CLIENTS: 0 ```
kerem commented 2026-02-28 01:29:16 +03:00
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@tablatronix commented on GitHub (Aug 22, 2022):

hmm, I have a C3 I will check it, and you are sure its not crashing or anything? Just no softap?, does softap start throw an error with esp debug on ?

What board is it? Is it a dev kit?

<!-- gh-comment-id:1222306193 --> @tablatronix commented on GitHub (Aug 22, 2022): hmm, I have a C3 I will check it, and you are sure its not crashing or anything? Just no softap?, does softap start throw an error with esp debug on ? What board is it? Is it a dev kit?
kerem commented 2026-02-28 01:29:16 +03:00
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@letis009 commented on GitHub (Aug 22, 2022):

thank you for coming back
I opened an issue with a lot more details after a day of testing
#1479
i don't know if this is related issue

<!-- gh-comment-id:1222366712 --> @letis009 commented on GitHub (Aug 22, 2022): thank you for coming back I opened an issue with a lot more details after a day of testing [#1479](https://github.com/tzapu/WiFiManager/issues/1479) i don't know if this is related issue
kerem commented 2026-02-28 01:29:16 +03:00
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@cniedzi commented on GitHub (Sep 3, 2022):

Board: Lolin S2 mini
ESP32 S2
WiFiManager ver. 2.0.12-beta
Arduino IDE esp32 core ver. 2.0.4

CASE 1 - AP "ZegarAP" not visible!!!

WiFiManager wm;
wm.resetSettings();
wm.autoConnect("ZegarAP");

Debug outcome:

*wm:[1] resetSettings 
*wm:[1] SETTINGS ERASED 
*wm:[1] AutoConnect 
*wm:[1] No Credentials are Saved, skipping connect 
*wm:[2] Starting Config Portal 
*wm:[2] Disabling STA 
*wm:[2] Enabling AP 
*wm:[1] StartAP with SSID:  ZegarAP
*wm:[2] AP has anonymous access! 
*wm:[1] AP IP address: 192.168.4.1
*wm:[1] Starting Web Portal 
*wm:[2] HTTP server started 
*wm:[2] Config Portal Running, blocking, waiting for clients... 
*wm:[2] NUM CLIENTS:  0

CASE 2 - AP "ZegarAP" visible!!!

WiFiManager wm;
wm.startConfigPortal("ZegarAP");

Debug outcome:

*wm:[2] Starting Config Portal 
*wm:[2] Disabling STA 
*wm:[2] Enabling AP 
*wm:[1] StartAP with SSID:  ZegarAP
*wm:[2] AP has anonymous access! 
*wm:[1] AP IP address: 192.168.4.1
*wm:[1] Starting Web Portal 
*wm:[2] HTTP server started 
*wm:[2] Config Portal Running, blocking, waiting for clients...

CASE 3 - AP "ZegarAP" not visible!!!

WiFi.mode(WIFI_STA);
WiFiManager wm;
wm.startConfigPortal("ZegarAP")

Debug outcome:

*wm:[2] Starting Config Portal 
*wm:[2] Disabling STA 
*wm:[2] Enabling AP 
*wm:[1] StartAP with SSID:  ZegarAP
*wm:[2] AP has anonymous access! 
*wm:[1] AP IP address: 192.168.4.1
*wm:[1] Starting Web Portal 
*wm:[2] HTTP server started 
*wm:[2] Config Portal Running, blocking, waiting for clients...
<!-- gh-comment-id:1236196679 --> @cniedzi commented on GitHub (Sep 3, 2022): Board: Lolin S2 mini ESP32 S2 WiFiManager ver. 2.0.12-beta Arduino IDE esp32 core ver. 2.0.4 **CASE 1 - AP "ZegarAP" not visible!!!** ``` WiFiManager wm; wm.resetSettings(); wm.autoConnect("ZegarAP"); ``` Debug outcome: ``` *wm:[1] resetSettings *wm:[1] SETTINGS ERASED *wm:[1] AutoConnect *wm:[1] No Credentials are Saved, skipping connect *wm:[2] Starting Config Portal *wm:[2] Disabling STA *wm:[2] Enabling AP *wm:[1] StartAP with SSID: ZegarAP *wm:[2] AP has anonymous access! *wm:[1] AP IP address: 192.168.4.1 *wm:[1] Starting Web Portal *wm:[2] HTTP server started *wm:[2] Config Portal Running, blocking, waiting for clients... *wm:[2] NUM CLIENTS: 0 ``` **CASE 2 - AP "ZegarAP" visible!!!** ``` WiFiManager wm; wm.startConfigPortal("ZegarAP"); ``` Debug outcome: ``` *wm:[2] Starting Config Portal *wm:[2] Disabling STA *wm:[2] Enabling AP *wm:[1] StartAP with SSID: ZegarAP *wm:[2] AP has anonymous access! *wm:[1] AP IP address: 192.168.4.1 *wm:[1] Starting Web Portal *wm:[2] HTTP server started *wm:[2] Config Portal Running, blocking, waiting for clients... ``` **CASE 3 - AP "ZegarAP" not visible!!!** ``` WiFi.mode(WIFI_STA); WiFiManager wm; wm.startConfigPortal("ZegarAP") ``` Debug outcome: ``` *wm:[2] Starting Config Portal *wm:[2] Disabling STA *wm:[2] Enabling AP *wm:[1] StartAP with SSID: ZegarAP *wm:[2] AP has anonymous access! *wm:[1] AP IP address: 192.168.4.1 *wm:[1] Starting Web Portal *wm:[2] HTTP server started *wm:[2] Config Portal Running, blocking, waiting for clients... ```
kerem commented 2026-02-28 01:29:16 +03:00
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@tablatronix commented on GitHub (Sep 4, 2022):

#1482

<!-- gh-comment-id:1236227925 --> @tablatronix commented on GitHub (Sep 4, 2022): #1482
kerem commented 2026-02-28 01:29:17 +03:00
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@tablatronix commented on GitHub (Sep 4, 2022):

Investigating and working on a fix

<!-- gh-comment-id:1236227969 --> @tablatronix commented on GitHub (Sep 4, 2022): Investigating and working on a fix
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