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Topic # 66723 22-Aug-2010 12:52
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Hi Guys I've bought a new 3G 16 GB iPad and it really is a nice gadget. I have a problem with the 3G though. At night in standby when connected to the XT network the iPad is draining 30% of it's charge. However if I leave it connected using the wifi only (with 3G off) it hardly drains at all at about 1%. All settings remain the same with push email on etc. I can replicate the issue by switching to 3G one night then back to wifi the next. Anyone else had the same issue?

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  Reply # 370995 22-Aug-2010 13:00
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I usually find it's time to recharge by bed time anyway. Any reason you can't just leave it plugged in? In any case, using 3G data will always drain your battery faster. The cell site is much further away than a WiGi access point - hence, more power required to send and receive radio signals.




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  Reply # 371032 22-Aug-2010 14:51
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Does it do this consistently every night?

Strangely enough I have never experienced this problem with my iPad but every now and again the battery in my iPhone drains heavily overnight and I've never been able to establish any sort of pattern that might explain what's causing it. I can't help wondering if there is some sort of software bug that is causing this to happen just under certain circumstances. 

 
 
 
 


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  Reply # 371039 22-Aug-2010 15:03
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poor 3g signal strenght - increase battery consumption

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  Reply # 371053 22-Aug-2010 15:58
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Still excessive battery drain IMO. I live in a poor signal area and my iphone doesn't drain that quickly on standby.

Might want to try recalibrating the battery or a restore/reset network settings.



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  Reply # 371054 22-Aug-2010 16:01
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I have good xt reception at home and the draining is pretty consistent. Using ms exchange push email. Also tried a full restore.

Ham

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Ultimate Geek
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  Reply # 371086 22-Aug-2010 17:16
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My 3GS uses about 60% overnight with 3G and the alarm set. I have to plug it in or I won't get woken up! With 3G turned off it will last 3 days or more without a charge... I wish it auto turned 3G off when connected to wifi!



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  Reply # 371947 24-Aug-2010 08:53
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We'll I've got something interesting to report regarding the draining battery. I tried my Vodafone micro SIM (real not cut) last night and there was virtually no battery drain at all - around 1%.

The XT SIM I have was cut from a normal SIM by Telecom. I'm wondering if that caused some damage to the SIM which means it keeps dropping in and out of signal causing the battery drain. I dont have a "real" XT micro SIM to confirm but I'm testing another cut XT SIM today and will let you know how that goes.

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  Reply # 371948 24-Aug-2010 09:05
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You might also want to consider turning off spotlight. I did this on my ipad (none 3g) and it has improved battery performance. A friend that has a 3GS turned it off and has seen over twice the battery life.

http://www.iphonewzealand.co.nz/2010/all/tip-switch-off-spotlight-and-improve-your-iphone-ipad-batte.../







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  Reply # 371954 24-Aug-2010 09:15
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myopinion: We'll I've got something interesting to report regarding the draining battery. I tried my Vodafone micro SIM (real not cut) last night and there was virtually no battery drain at all - around 1%.

The XT SIM I have was cut from a normal SIM by Telecom. I'm wondering if that caused some damage to the SIM which means it keeps dropping in and out of signal causing the battery drain. I dont have a "real" XT micro SIM to confirm but I'm testing another cut XT SIM today and will let you know how that goes.


It will not be related to SIM if the SIM was damaged it would not work full stop



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Ultimate Geek
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  Reply # 371959 24-Aug-2010 09:25
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johnr:
myopinion: We'll I've got something interesting to report regarding the draining battery. I tried my Vodafone micro SIM (real not cut) last night and there was virtually no battery drain at all - around 1%.

The XT SIM I have was cut from a normal SIM by Telecom. I'm wondering if that caused some damage to the SIM which means it keeps dropping in and out of signal causing the battery drain. I dont have a "real" XT micro SIM to confirm but I'm testing another cut XT SIM today and will let you know how that goes.


It will not be related to SIM if the SIM was damaged it would not work full stop


Based on that logic it means that the XT network is causing the battery drain, which is even more unlikely as other useres are not experiencing the same problem. The area I'm using it in has very good reception on both the XT and Vodafone network. We'll see how the other SIM goes.

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  Reply # 371961 24-Aug-2010 09:30
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May be a single cell issue then

Ham

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Ultimate Geek
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  Reply # 372056 24-Aug-2010 12:47
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myopinion:
johnr:
myopinion: We'll I've got something interesting to report regarding the draining battery. I tried my Vodafone micro SIM (real not cut) last night and there was virtually no battery drain at all - around 1%.

The XT SIM I have was cut from a normal SIM by Telecom. I'm wondering if that caused some damage to the SIM which means it keeps dropping in and out of signal causing the battery drain. I dont have a "real" XT micro SIM to confirm but I'm testing another cut XT SIM today and will let you know how that goes.


It will not be related to SIM if the SIM was damaged it would not work full stop


Based on that logic it means that the XT network is causing the battery drain, which is even more unlikely as other useres are not experiencing the same problem. The area I'm using it in has very good reception on both the XT and Vodafone network. We'll see how the other SIM goes.


When you're on Voda does it show 3G?



810 posts

Ultimate Geek
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  Reply # 372060 24-Aug-2010 12:54
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Ham:
myopinion:
johnr:
myopinion: We'll I've got something interesting to report regarding the draining battery. I tried my Vodafone micro SIM (real not cut) last night and there was virtually no battery drain at all - around 1%.

The XT SIM I have was cut from a normal SIM by Telecom. I'm wondering if that caused some damage to the SIM which means it keeps dropping in and out of signal causing the battery drain. I dont have a "real" XT micro SIM to confirm but I'm testing another cut XT SIM today and will let you know how that goes.


It will not be related to SIM if the SIM was damaged it would not work full stop


Based on that logic it means that the XT network is causing the battery drain, which is even more unlikely as other useres are not experiencing the same problem. The area I'm using it in has very good reception on both the XT and Vodafone network. We'll see how the other SIM goes.


When you're on Voda does it show 3G?


Yes its 3G for both Vodafone and XT.



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Ultimate Geek
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  Reply # 372062 24-Aug-2010 12:55
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Was just looking around the internet and seems that there are a few other people with battery drain issues that may have been caused by cut SIMS.

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  Reply # 372468 25-Aug-2010 09:08
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myopinion: Was just looking around the internet and seems that there are a few other people with battery drain issues that may have been caused by cut SIMS.


Wow if this proves to be the problem im glad i waited a week for Telecom to source me a micro sim.  When you look at the Micro SIM versus a cut Normal SIM the gold pads are different sizes and slightly different positioning.  Maybe the SIM (even though its working) is touching on a pin it shouldn't be?

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