Develop Bugs

How to limit HSDPA ramping

Hi all. I was wondering whether anyone had any tricks to stop the PDA from using HSDPA unnecessarily. I find if I'm logged onto MSN all day, with just UTMS the battery would last probably 12 hours or so, but if I enable HSDPA it would clean out the battery in less than 5 hours.
MSN can't possibly require that much bandwidth. Is it possible to limit the phone from changing to HSDPA unless the bandwidth is actually required (i.e. when I connect my laptop to if for internet)
I use a dopod d810 in Australia with optus.
Thanks.

viperx said:
Hi all. I was wondering whether anyone had any tricks to stop the PDA from using HSDPA unnecessarily. I find if I'm logged onto MSN all day, with just UTMS the battery would last probably 12 hours or so, but if I enable HSDPA it would clean out the battery in less than 5 hours.
MSN can't possibly require that much bandwidth. Is it possible to limit the phone from changing to HSDPA unless the bandwidth is actually required (i.e. when I connect my laptop to if for internet)
I use a dopod d810 in Australia with optus.
Thanks.
Click to expand...
Click to collapse
If you don't need 3G, switch the phone to GSM, which would use EDGE/GPRS, or use tools such as bandswitch etc. If you want to completely stopped data connecting by itself, try nodata.

viperx said:
Hi all. I was wondering whether anyone had any tricks to stop the PDA from using HSDPA unnecessarily. I find if I'm logged onto MSN all day, with just UTMS the battery would last probably 12 hours or so, but if I enable HSDPA it would clean out the battery in less than 5 hours.
MSN can't possibly require that much bandwidth. Is it possible to limit the phone from changing to HSDPA unless the bandwidth is actually required (i.e. when I connect my laptop to if for internet)
I use a dopod d810 in Australia with optus.
Thanks.
Click to expand...
Click to collapse
Also, with some service provider, if the phone is connected to HSDPA, my incoming calls get sent to voicemail. If it is in normal 3G mode the call comes through. This has been a problem in many areas. As the last poster pointed out, Bandswitch can disable HSDPA so that 3G is the default mode. Since I don't have an unlimited data plan, I just change the band to GSM and use Edge unless I have to download big web pages or use the Video phone, then I switch to WCDMA mode.

Problem is, I use WCDMA all the time. I connect my laptop to the internet through my PDA. At these times the HSDPA is greatly valued. However, when I'm not and just want MSN messenger on my PDA, well, its a great battery drainer for no good reason.
At the moment I'm getting around this by turning HSDPA back on when I use the laptop and then off again when I don't so it just uses UTMS. However this is pretty annoying having to reset it every time.
Does bandswitching between GPRS and HSDPA require reset?

My carrier - 'MY MAXIS' is somewhat smart. They usually kick you out of HSDPA Network whenever you are not consuming large amount of bandwidth. The phone automatically switches to 3G , but then you are still connected. Then it will switch back to HSDPA whenever there is a sudden burst of data or so. Smart way of conserving HSDPA slots.
I don't think you can limit HSDPA bandwidth or so. Once its connected , its connected. It has nothing got to do with battery. Its just the power consumption. You have no choice but to disable the HSDPA module , so that it does not drain the battery a lot. Limiting bandwidth does not work. HSDPA/UMTS drains a lot of power.

Mine does that too... drop down from HSDPA to UTMS. But the difference between having HSDPA enabled and disabled in terms of battery life is like a third.

Its because if you enable it. It connects to HSDPA , hence it uses up more battery power. HSDPA loves to drain your battery life. This is why , you should switch to EDGE/GPRS whenever you are in mobile and switch it back to 3G whenever you wish to use it as a modem. You dont have any other choices ,mate !

WiFi or Mobile Data - What drains the battery more?

hey everyone, i'm wondering:
when i'm not home i have mobile data turned on. i stopped switching between 2g and 3g to save bat-life, because i felt it to be too much of a hassle...
i only turn on wifi if i want to download/update apps or mess with the dropbox.
but i want to keep my defy online to receive emails and stuff.
so, what drains the battery faster? wifi or mobile data?
i could imagine that the mobile data drains the battery less, because regarding reception and stuff, this "part" of the phone is turned on in any case...
anyway, does someone know an answer to my question?
thanks in advance.
reinsen

I took this from android-hilfe.de:
GSM/EDGE Standby 11,6 mW
UMTS Standby 18,3 mW
WLAN Standby 7,8 mW
EGDE Download 853 mW
UMTS Download 1349 mW
WLAN Download 1158 mW
seems it depends on 3G time and most of all change 3G/2G
regards

thanks mate, looks like from now on ill be switching to wifi whenever there is a known network

I think thats the best solution. btw great german forum, works perfectly with the devs here

But from my observation, in standby mode, wifi (with network) consumes twice the battery of 2g (edge). In my case, wifi consumes 1% battery every hour, while 2g consumes 1% battery every 2 hours.

elnovio said:
I took this from android-hilfe.de:
EGDE Download 853 mW
UMTS Download 1349 mW
WLAN Download 1158 mW
Click to expand...
Click to collapse
In these download wattages, it is worthwhile to consider that an EDGE or UMTS download of a given file will typically take far longer than the WLAN download. This means that the download will consume more joules from the battery.

DHD roms (2g/3g, energy)

Hello everybody, I was wondering if anyone know of any ROM that allows to switch from 2g to 3g (or viceversa) automatically to some apps, like juicedefender, or extended controls. I think Cyanogenmod allows it, but I heard it doesn't provide a good energy administration.
And in the other hand, as I talked about energy administration, what ROM do you think works better for battery in DHD?
Thank you guys!

after all this time... nobody?

You can't toggle 2g/3g for some apps only, it's kinda global, for the entire system...

I think he means that it triggers the switch on some apps.
Sent from my Desire HD using XDA Premium App

requeiperrechon said:
Hello everybody, I was wondering if anyone know of any ROM that allows to switch from 2g to 3g (or viceversa) automatically to some apps, like juicedefender, or extended controls. I think Cyanogenmod allows it, but I heard it doesn't provide a good energy administration.
And in the other hand, as I talked about energy administration, what ROM do you think works better for battery in DHD?
Thank you guys!
Click to expand...
Click to collapse
the switch between 2G and 3G has not direct relation to the type or form of application, it can only be manually selected by the user, this is the fact that in areas where 3G is unavaliable or weak, the phone may switch to 2G to ensure a stronger, more stable signal. keep in mind, mobile data (2G or 3G) also consume a relative part of your battery
I know that there is relative difference between 2G and 3G power consumption but the type of ROM and Kernel is a major part in determining the battery life. The current set up I use gives me approximately drain of 15% for 6 hours with approximately 30 txt and 10 minutes of call time all through 3G signals with the WIFI switched on. with a battery life like that, switching to 2G is relatively pointless. doubt it would save substantially.

[q] mms / 2g / 3g / 3g+ ?

Hi, is it possible to receive MMS messages on 2G network ? (by disabling 3G/ 3g+) ?
So actually, my question is : what do i miss if i set my network to be 2G instead of 3G ?
I ask this to optimize my phone battery use...
thanks
Nico

Yep - you can receive MMS on 2G network. (well at least on 2.5G using GPRS)
By using 2G network you will find that browsing is going to be slower. You will probably find the network strength is better and because you phone isn't searching for a network all the time you will have better batery life.

oki and what about google mails ?

Google mail will work but downloading of emails will be slightly slower on 2G than it would on 3G.

drey_p said:
Google mail will work but downloading of emails will be slightly slower on 2G than it would on 3G.
Click to expand...
Click to collapse
ok
thank you for all those information. I'll now switch my phone back to 2G, in order to improve my battery stats. Then I will use 3G only when I need Internet.
Bye
Nico

That is pretty much what I do because I find the 2G signal to be a lot stronger and it really seems to help improve the battery life.

[Q]GSM vs WCDMA vs Auto

Hello everyone at XDA
I have an Xperia Play r800a (Rogers Canada)
I was looking in the menus and I remember reading somewhere that if I change the Network prefrences I can get better battery life.
So I was wondering out of these options under Settings> Wireless & Networks> Mobile Networks> Network Prefrences
I have these 4 options
GSM/WCDMA (auto mode)
WCDMA only
GSM only
GSM/WCDMA (WCDMA preferred
What settings should I choose to increase battery life? Also I almost never use mobile data since I am always near wifi.

if you dont use data really just use the data toggle to turn it off till you need it(Way way more battery life)
or if your like me and always need a little data present for google voice and and 4g every once in a while when actually using net then Gsm(= 2g and increded battery life over but 4g connection by couple hours) but alot slower than 4g
then just 4g when you need it (3/4g=wcdma)
auto just choses strongest signal no preference
and Wcdma perfed is just that if both signal available it uses wcdma but if not then then gsm
so for you if no data ever hardly and no constant connection needed then
wcdma perfered and a data toggle by ether a theme with notification toggles or the data switch widget or widgetsoid
hope i helped

Do you know which one would have been the default?
So from what I understand GSM only and data off gets me the best battery life?

For my phone GSM/WCDMA (WCDMA preferred) is default option.
And yes, GSM only and data off gives you the best battery.