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[Q] Cell standby using battery

OP klong81506

27th July 2011, 11:54 PM   |  #1  
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Since rooting my Nook touch I have had it on for 6 days. I checked the battery usage and it tells me that "cell standby" is using 87% of the battery and "phone idle" is using 12%.

Anyone ideas on how to disable those functions?

Perhaps airplane mode would disable those, but I don't know how to enter airplane mode. I do have nook color tools installed.


Thanks
Last edited by klong81506; 27th July 2011 at 11:58 PM.
28th August 2011, 12:23 PM   |  #2  
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I tried the airplane mode as someone suggested but i still saw cell standby and phone idle.

Sent from my CM7.1 NookColor
28th August 2011, 04:34 PM   |  #3  
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I actually ended up unrooting precisely due to this... I'm researching and trying to figure out a way to root w/o installing things that consider the nook as a phone... A custom rom is being produced on this thread.... Hopefully it will be a lot more close to a reader than a phone: http://forum.xda-developers.com/show....php?t=1208024
spurcity281
30th September 2011, 04:10 AM   |  #4  
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Has Anyone found a solution for the cell-stand-by problem?
30th September 2011, 07:13 AM   |  #5  
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You can delete /system/app/phone.apk and telephonyprovider.apk,then phone idle will disappear.
The Following 2 Users Say Thank You to yohoc For This Useful Post: [ View ]
1st October 2011, 05:33 AM   |  #6  
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Quote:
Originally Posted by yohoc

You can delete /system/app/phone.apk and telephonyprovider.apk,then phone idle will disappear.


"failed on 'Phone.apk' - Cross-device link"
1st October 2011, 06:54 AM   |  #7  
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I delete it in rootexplorer.
1st October 2011, 01:47 PM   |  #8  
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I'm wondering, Phone.apk and TelephonyProvider.apk are already installed in an unrooted nook, aren't they ?

BTW, there is a script here for the Nook Color, it should work for the Nook 2.

But I don't know if it will have a real effect on battery life or not ...
11th November 2011, 05:45 PM   |  #9  
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Thanks!
Quote:
Originally Posted by yohoc

You can delete /system/app/phone.apk and telephonyprovider.apk,then phone idle will disappear.

I just changed the file extensions, as mentioned in the "[script] remove cell service" thread, also seems to work.
12th November 2011, 06:51 PM   |  #10  
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IMO, both "cell standby" and "phone idle" and just about all actions that nook does when it is in sleep mode. Removing these apk's however helps just a bit because there are none useless phone apps running in background, but there still will be "cell standby" thing in battery stats.

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