If i use 3g or 4g as phone signal without data activated, it will drain more battery than using 2g signal without data?
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Why is it that when I'm on wifi, my battery last longer vs while I'm on 3G?
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Wifi uses less power, it's a different frequency, as you're much closer to the wifi device than you would be the 3G cell mast.
plus, 3G need to find signal, when you in a place where 3G signal is weak, it will drain more battery
Use it when you need it...
After serval Test while I was in school and at home I found out:
Edge with Datasync on is the worst! Battery drains in 4 to 5h
Hspda/Hsupa with a good connection is way better. Batterylife 7h
If you just turn if off it saves a lot of energy! Up to 36h
So what I am doing now: I turn the Mobile Network off when I see that little E in the top right corner because the connection is so slow anyway..
Specs of my Phone:
HTC Desire HD with RCMix3D KINGDOM v1.1
1370mAh Battery
For actual data transfer, it depends on how often and how much is being sent.
3G transfers faster, so if you're just going after 1 thing, it can be less draining than 2G, assuming full signal strength on both, because it's in use for less time.
Yes radio and signal strength affect the battery. Some radios work better than others in certain areas thus giving a better signal. If you are right next to a tower your phone will last a while. The phone always tries to get a better signal thus causing drainage.
Thanks dudes, good info
Sent from my HTC Aria using XDA Premium App
Hello guys,
I've read that whe when I'm at home, it's better to be connected via Wi-Fi instead of 3G (Data Plan) in terms of battery ussage.
Is this true? Wi-fi uses less battery than 3G?
thx
Yes, generally wifi will consume less battery than using data. It also depends on the signal strength. The stronger the signal the better.
I have a stock Neo and found that battery life is nearly doubled when using 2G as cell standby use drops from 48-50% to 13-15% which I like.
I also have a -89 to -93dBm 10asu signal strength which believe is good.
But when on 2G there is no data connection, so does the Neo not have EDGE also is the phone faulty in respect to 3G data as I can only assume that is the cause of the poor battery.
2G normal uses less power, but if the 3G signal is stronger than the 2G one, I would use 3G as the phone has to use more transmit power to work with a weak signal.
John.
I've got working, but relativly slow 2g GPRS (EDGE?) data transmision. I hate 2g lags (much higher ping) and when it is possible I use 3g or wifi. Maybe your situation is caused by your mobile operator.
I asked the question on sony forum and it appears that all xperia have this problem of no or very poor 2G data connection whereas 3G is there but results in awfully poor battery life.
Just checked about mast location and I'm about approx 700m metres from the the mast.
I have just walked to the mast with the Galaxy W and Neo and both phone signal strength increased the same and at 100m they were -52dBm.
re op your comments still do not explain why the Galaxy W has twice the battery of the Neo when using 3G, my conclusion is that SE are rubbish at 3G.
From my walk I would also say that with a -70dBm that you are 200-300m from a mast, apart from the terraced houses (no high rise/flats ) it is level ground to the mast.
Just to add my phone on GSM only shows gprs not EDGE
hi.
A few days ago I applied for a data plan.
Until then I was always using 2G network. Now I am using the 3G network while surfig or using the mobile internet. When I finish using it, I use 2G only and disable data.
Since then, I feel my battery is draining almost twice as fast as it was before. I am using the phone and internet exactly as much as I was using before, the only difference is that now I am using the data plan instead of the (very weak) WiFi signal. In battery menu, it appears "cell standby" takes only 4% of the battery life, but the real difference in battery life is very noticeable.
What could cause the difference? And are there any ways to improve battery life with 3G? (Hellybean 15/11 with newest kernel 1.9.5).
Thanks.
*edit* I have also checked, that if I leave the phone on standby with screen off on the 3G network with data on (but no apps that use data), battery level is decreased by roughly 10% every hour. If I use chrome for an hour using 3G connection and screen on half brightness, that would be 35% of battery decrease in an hour.
romitkin said:
hi.
A few days ago I applied for a data plan.
Until then I was always using 2G network. Now I am using the 3G network while surfig or using the mobile internet. When I finish using it, I use 2G only and disable data.
Since then, I feel my battery is draining almost twice as fast as it was before. I am using the phone and internet exactly as much as I was using before, the only difference is that now I am using the data plan instead of the (very weak) WiFi signal. In battery menu, it appears "cell standby" takes only 4% of the battery life, but the real difference in battery life is very noticeable.
What could cause the difference? And are there any ways to improve battery life with 3G? (Hellybean 15/11 with newest kernel 1.9.5).
Thanks.
*edit* I have also checked, that if I leave the phone on standby with screen off on the 3G network with data on (but no apps that use data), battery level is decreased by roughly 10% every hour. If I use chrome for an hour using 3G connection and screen on half brightness, that would be 35% of battery decrease in an hour.
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Try a different ROM? I remember on Hellybean I had really bad battery life. It drained quite fast, especially on browser. BTW, when you got 3G, did you change ROMs or no? Could you also post a battery stats screenshot? Also, data uses much more battery than WiFi. The part where you said it decreases by 10%, that kind of irks me. I would try a different ROM, such as PA 360 which is really good for battery.
It is either on full signal or at no signal never at intermediate state. Why?