Can't choose network operator manually on Wiko Fever / Android 5.1
I live near a frontier in the overlap region of German and Swiss network operators. On my new Wiko Fever / Android 5.1, I can choose a network operator for each of the 2 SIMs as usual in Android:
menu
Settting > More > Cellular Networks > Network Operators > [choice of my home operator]
The cellphone switches to the chosen operator but only temporarily - most often the phone switches by itself into roaming after some minutes, even if one does not change location and the home network operator is definitively available. This is fatal in a frontier region as one too often falls into costly roaming!!
The Wiko hotline is not helpful at all. Does anyone know a workaround?
BTW, the "data roaming" switch for each SIM card seems to work as it should. My problem concerns voice roaming / choice of network operator.
I live near a frontier in the overlap region of German and Swiss network operators. On my new Wiko Fever / Android 5.1, I can choose a network operator for each of the 2 SIMs as usual in Android:
menu
Settting > More > Cellular Networks > Network Operators > [choice of my home operator]
The cellphone switches to the chosen operator but only temporarily - most often the phone switches by itself into roaming after some minutes, even if one does not change location and the home network operator is definitively available. This is fatal in a frontier region as one too often falls into costly roaming!!
The Wiko hotline is not helpful at all. Does anyone know a workaround?
BTW, the "data roaming" switch for each SIM card seems to work as it should. My problem concerns voice roaming / choice of network operator.
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