VictronConnect

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Potrebbe essere quello indicato da @resolution il problema ... cioè' che solo UN "Victron Connect" alla volta si connette ad un Device :
... This does not mean that 8 devices can actually be connected at the same time. As stated indeed in the troubleshooting guide, only one device can be connected to a smart product at the same time. This means that multiple devices can be in the main Device List screen in VictronConnect showing products in the vicinity and showing the Instant Readout data, but only one VictronConnect can be in the product screen. On all the other devices, the product should turn grey in the Device List and when such a product is clicked, VictronConnect will show a warning that only one device can be connected at a time. ...
https://community.victronenergy.com/ques...tions.html

Qui alcune note su Android che sembra gli vada ulteriormente attivata la localizzazione per un bug di Android (boh ... con una nota particolare x Android 5 "Si tratta, purtroppo, di un bug di Android sul quale non abbiamo alcun controllo e che quindi non siamo in grado di risolvere.") : https://www.victronenergy.com/media/pg/V...30ac3e2132