May 2024, Solution to connectivity issue on old builds

may 2024, the network and wifi icons display a small cross

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image
or
image

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Official advice is to update to a newer build, but it is not always possible, so,
thanks to @tcecyk @poiuzzz @4nthony for the solution/workacross :

Résumé

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On your phone :

  1. go to android settings, in the developper options section, and enable “USB debbuging”

  2. install an open source application “captive portal controller” from AppLounge or F-droid

  3. open the “captive portal controller” app
    and enable controler :

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On your PC (where ADB is installed), plug your phone with an USB-cable :

  1. open a terminal and type :
adb shell

then

pm grant io.github.muntashirakon.captiveportalcontroller android.permission.WRITE_SECURE_SETTINGS

On your phone :

  1. fill-in the captive portal url
    HTTPS: https://connectivity.murena.io
    HTTP: http://connectivity.murena.io
    Fallback 1: http://204.murena.io
    Fallback 2: https://murena.io/generate_204

  1. save

  1. disable controler and close the app.
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