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Hi! 
After I succesfully revived my N9 by resetting The Security Code and installing PR 1.3 in the same go I have an issue now. The phone works in much the same way as before but seems to go in "Battery-drain" mode for no obvious reason lately. I have a habit of putting the phone down screen side down as not to scratch the camera bit. This also switches off the display which I imagined saves extra battery live. However. I've realised that some how the phone does not go to "sleep" when on its belly, that is screen side down.
Does your N9 also has trouble sleeping face down?
j
I presume you have rebooted your device after the update.
there are times that the battery management shows me that there is abnormal battery drain on my device as some things seem to "hang" in the background even though I have closed everything.
can you install the battery usage application from the store? it is free.
then you can see what is eating your battery power and how much percentage it is. also, you should see your average battery consumption in idle mode somewhere between 11-25mA.
my active is 281mA
and you can also see your current consumption as well.
try that and see if you can narrow it down.
there are times that the battery management shows me that there is abnormal battery drain on my device as some things seem to "hang" in the background even though I have closed everything.
can you install the battery usage application from the store? it is free.
then you can see what is eating your battery power and how much percentage it is. also, you should see your average battery consumption in idle mode somewhere between 11-25mA.
my active is 281mA
and you can also see your current consumption as well.
try that and see if you can narrow it down.
