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Subject Author Date
3G and power consumption Eric Baines 02-15-2008
Posted by Eric Baines on February 15, 2008, 5:24 am
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 We have a lot of MS smartphones. Recently, we are getting Mobile 6 devices,
and our mobile phone supplier is providing SIMs that come with 3G sevice (we
are in the UK).

This should be good, but when the phone is able to connect to 3G, the
battery life falls through the floor. Devices that otherwise have a battery
life of 5-10 days go to having a battery life of 12-24 hours.

The phone suppliers won't disable 3G and I don't seem to be able to disable
it on the phone.

Does anyone else experience this problem? Does anyone have any ideas what I
can do to eliminate or reduce the problem?

Posted by BTNewsGroups on February 15, 2008, 4:04 pm
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> We have a lot of MS smartphones. Recently, we are getting Mobile 6
> devices,
> and our mobile phone supplier is providing SIMs that come with 3G sevice
> (we
> are in the UK).
>
> This should be good, but when the phone is able to connect to 3G, the
> battery life falls through the floor. Devices that otherwise have a
> battery
> life of 5-10 days go to having a battery life of 12-24 hours.
>
> The phone suppliers won't disable 3G and I don't seem to be able to
> disable
> it on the phone.
>
> Does anyone else experience this problem? Does anyone have any ideas what
> I
> can do to eliminate or reduce the problem?

To Disable 3G
If they're HTC PDA type phones, (Tytn, P3600, etc.), go to Start > Settings
> (Personal) Phone > Band
Set netword type to: GSM
Set GSM/UMTS band to: (900+ 1800)+UMTS(2100) - Correct for T-Mobile and
Orange, not sure about the others.

This gives you GPRS only. You won't really notice any difference in
performance for mobile web sites such as the BBC and downloading email - D/L
large files etc would obviously be slower. It's easy to do and easy to
reverse (just revert the Band settings to Auto).

From what I've read, it's voice calls, rather than data downloading, that
seem to hammer the battery with 3G.

Cheers
Martin



Posted by Eric Baines on February 19, 2008, 6:16 am
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Thanks for the answer. It is a Treo 750 so I'll try it and let you know how
it goes.

Thanks again.
Eric


"BTNewsGroups" wrote:

>
> > We have a lot of MS smartphones. Recently, we are getting Mobile 6
> > devices,
> > and our mobile phone supplier is providing SIMs that come with 3G sevice
> > (we
> > are in the UK).
> >
> > This should be good, but when the phone is able to connect to 3G, the
> > battery life falls through the floor. Devices that otherwise have a
> > battery
> > life of 5-10 days go to having a battery life of 12-24 hours.
> >
> > The phone suppliers won't disable 3G and I don't seem to be able to
> > disable
> > it on the phone.
> >
> > Does anyone else experience this problem? Does anyone have any ideas what
> > I
> > can do to eliminate or reduce the problem?
>
> To Disable 3G
> If they're HTC PDA type phones, (Tytn, P3600, etc.), go to Start > Settings
> > (Personal) Phone > Band
> Set netword type to: GSM
> Set GSM/UMTS band to: (900+ 1800)+UMTS(2100) - Correct for T-Mobile and
> Orange, not sure about the others.
>
> This gives you GPRS only. You won't really notice any difference in
> performance for mobile web sites such as the BBC and downloading email - D/L
> large files etc would obviously be slower. It's easy to do and easy to
> reverse (just revert the Band settings to Auto).
>
> From what I've read, it's voice calls, rather than data downloading, that
> seem to hammer the battery with 3G.
>
> Cheers
> Martin
>
>
>

Posted by Werner \"Menneisyys\" Ruotsala on March 14, 2008, 12:32 pm
Please log in for more thread options
Also make sure you read my related, very thorough tutorial at
http://www.pocketpcmag.com/blogs/index.php?blog=3&p=2316&more=1&c=1&tb=1&pb=1 -
it also introduces some alternative, much more efficient methods of band
switching.

--


--
Werner "Menneisyys" Ruotsalainen - Microsoft MVP - Windows - Mobile Devices
Please see the Pocket PC Mag Expert Blog (including mine) at
http://www.pocketpcmag.com/blogs/ - you will definitely like it.


> Thanks for the answer. It is a Treo 750 so I'll try it and let you know
> how
> it goes.
>
> Thanks again.
> Eric
>
>
> "BTNewsGroups" wrote:
>
>>
>> > We have a lot of MS smartphones. Recently, we are getting Mobile 6
>> > devices,
>> > and our mobile phone supplier is providing SIMs that come with 3G
>> > sevice
>> > (we
>> > are in the UK).
>> >
>> > This should be good, but when the phone is able to connect to 3G, the
>> > battery life falls through the floor. Devices that otherwise have a
>> > battery
>> > life of 5-10 days go to having a battery life of 12-24 hours.
>> >
>> > The phone suppliers won't disable 3G and I don't seem to be able to
>> > disable
>> > it on the phone.
>> >
>> > Does anyone else experience this problem? Does anyone have any ideas
>> > what
>> > I
>> > can do to eliminate or reduce the problem?
>>
>> To Disable 3G
>> If they're HTC PDA type phones, (Tytn, P3600, etc.), go to Start >
>> Settings
>> > (Personal) Phone > Band
>> Set netword type to: GSM
>> Set GSM/UMTS band to: (900+ 1800)+UMTS(2100) - Correct for T-Mobile and
>> Orange, not sure about the others.
>>
>> This gives you GPRS only. You won't really notice any difference in
>> performance for mobile web sites such as the BBC and downloading email -
>> D/L
>> large files etc would obviously be slower. It's easy to do and easy to
>> reverse (just revert the Band settings to Auto).
>>
>> From what I've read, it's voice calls, rather than data downloading, that
>> seem to hammer the battery with 3G.
>>
>> Cheers
>> Martin
>>
>>
>>



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