If you are using an old version of Raspberry PI you might see that sometimes your OS freezes within a few hours/days or even when you are trying to sync. Seems like our little guy cannot deal with the new ONION Wallet due to the ram req.
I recommend to change the amount of dedicated ram for your GPU (you can see it in Raspberry configuration/options) and try to lower your resolution the more you can (yes, welcome to 98'). It will look ugly but at least your ONION Wallet will keep running as a Node without freezing anymore.
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DkdxmZHrGXaFys13beAx9hEJ967zuzCwcz
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https://deeponion.org/community/attachments/ram-jpg.190478/