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Facebook notifications causing significant battery drain.
I've done numerous searches online to try and find something that is close. I've found a few articles that are closely related, but not quite the same. Hoping to reach out to the community to see if anyone else is experiencing what I am encountering...
Firstly I am running KitKat 4.4.2 on a Nexus 5 (non-rooted).
Now, when it comes to the official Android Facebook application I've been using it on my Nexus 5 and my previous Galaxy S2. I use to always try and remember to place it in the background to minimise battery drain (I know this isn't perfect, but it did make a difference battery wise, because if I leave it in the foreground, the battery would drain).
Recently I've been running a number of tests and I have identified whenever I receive a Facebook notification, battery drain dramatically increases (e.g. over 10% in an hour with no use (sitting idle (black screen) and locked). If I don't get Facebook notifications, then the battery life is solid and last for ages.
So I tried:
Disabling all Facebook notifications. I've then tested a number of times... I get a friend to send me a Facebook private message (they then SMS me to let me know when they send the Facebook message). My phone does NOT generate a Facebook notification message, BUT I notice the dramatic battery drain kicks in as described above (phone gets very warm as well) when they send the Facebook notification.
* I then tried ending the Facebook task. This does nothing. The dramatic battery drain pattern continues.
* If I turn the phone on and off, it stops the battery drain.
* I've tried uninstalling and reinstalling Facebook. No difference, problem still occurs.
* I'm using the latest Facebook application as at 30/01/14.
I know the advice is to uninstall Facebook, but I'm just trying to see if anyone else gets this problem? I know I could also install Greenify, but I don't want to root my phone (yet) (and the non-rooted feature is something you need to remember to do - knowing me I will forget to force stop)).
There was something similar on Facebook Messenger (which I don't have installed) (I just found a battery-draining bug in the Facebook Messenger standalone app, and have no idea how to report it to anybody at Facebook who can fix it. : Android)