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From: Graham. on 18 Apr 2010 02:07

>
>>> This may be a signal strength related, I am in a fringe area with a much better signal upstairs, I only use the S2 as a
>>> standby/occasional modem and it used to cut off regularly. It has been lying upstairs for a few weeks now, (in the good signal
>>> area), but always switched on, and regularly charged, and it hasn't cut off for weeks.
>>
>> That would technically make a lot of sense, I hadn't thought of that.
>
> Is that because lower signal = phone has to do more work = more likely to trigger a bug in the software/hardware [not really much
> of an excuse] or is it something else you're thinking of?

Pretty much.
The phones transmitter will be answering back at high power causing the battery's
terminal voltage to sag slightly. The firmware (hopefully not hardware but who knows?) interprets this as an immanent flat battery
and shuts the phone down.
I would expect temperature will be a factor too.

--
Graham.

%Profound_observation%


From: Steve Terry on 18 Apr 2010 05:47
"Graham." <me(a)privacy.net> wrote in message
news:hqe7il$9pm$1(a)news.eternal-september.org...
>
>>>> This may be a signal strength related, I am in a fringe area with a
>>>> much better signal upstairs, I only use the S2 as a
>>>> standby/occasional modem and it used to cut off regularly. It has been
>>>> lying upstairs for a few weeks now, (in the good signal
>>>> area), but always switched on, and regularly charged, and it hasn't cut
>>>> off for weeks.
>>>
>>> That would technically make a lot of sense, I hadn't thought of that.
>>
>> Is that because lower signal = phone has to do more work = more likely to
>> trigger a bug in the software/hardware [not really much of an excuse] or
>> is it something else you're thinking of?
>
> Pretty much.
> The phones transmitter will be answering back at high power causing the
> battery's
> terminal voltage to sag slightly. The firmware (hopefully not hardware but
> who knows?) interprets this as an immanent flat battery and shuts the
> phone down.
> I would expect temperature will be a factor too.
> Graham.
>
>
Yes fit a new battery, the quality of the original ones seems poor,
just because the battery indicator shows high doesn't mean it can
supply a load

Plenty of eBay dealers have them

Steve Terry
--
Get a free Three 3pay Sim with �2 bonus after �10 top up
http://freeagent.three.co.uk/stand/view/id/5276


From: Jeremy Porteous on 18 Apr 2010 06:36
"Graham." <me(a)privacy.net> wrote in message
news:hqe7il$9pm$1(a)news.eternal-september.org...
>> Is that because lower signal = phone has to do more work = more likely to
>> trigger a bug in the software/hardware [not really much of an excuse] or
>> is it something else you're thinking of?
>
> Pretty much.
> The phones transmitter will be answering back at high power causing the
> battery's
> terminal voltage to sag slightly. The firmware (hopefully not hardware but
> who knows?) interprets this as an immanent flat battery and shuts the
> phone down.
> I would expect temperature will be a factor too.

Interesting discussion. My S2 regularly turns itself off, even when the
battery is near full and it is in Central London (i.e. no problem with
signal strength).

JP

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