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GrapheneOS Whatsapp
(lemmy.ml)
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this post was submitted on 17 Oct 2024
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Privacy
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A lot of android apps rely on GCM (google's notification servers), I assume Whatsapp is one. Signal does too, but I think it can use its own websockets when gcm is not available, same for telegram. Whatsapp probably not.
Some ROMs with no google services restore the gcm funciinality via microg. Graphene os, as far as i know, does not have microg.
Hmm not exactly. WhatsApp is closed source, we don't know exactly how it works, but since it is based on XMPP, chances are high it uses xmpps own push service. Either there would be a notification about missing GCM or firebase.
Btw. Websockets on signal and telegram needs the apps running in background which eats up the battery. That's why a lot of degoogled-users install unifiedpush via ntfy-app. Some third party alternatives support unifiedpush, signal = molly + unifiedpush and telegram = mercurygram or nagram.