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A comment on Firefox Focus – A new private browser for iOS and Android. Parent comment

Re:Firefox Focus – A new private browser for iOS and Android by kuschku on Friday August 18, 2017 @07:59PM (#15050676)
> Unfortunately, unless you've rooted your phone, GCM/FCM is the only battery-efficient way to provide push to Android phones.

But, and this is the interesting part, the userspace library of FCM can be easily reversed and cloned (the information required for that is here https://gist.github.com/justjanne/153bd4886f92be0ee57fb40842...), and the system-side part of FCM has been cloned in an open way (see the µG project).

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Re:Firefox Focus – A new private browser for iOS and Android by lucideer on Monday August 21, 2017 @06:49AM (#15063535)
I was aware of the µG project (it requires root to install though), but I'm not sure I see the point/relevance of cloning the userspace library outside of using it with µG. If you don't have µG, your cloned userspace library is still sending everything through Google's servers right?

Note: I should possibly have been clearer above by saying "is the only battery-efficient way to provide push to Android phones without root"

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