I know it's a known fact that poor and very poor Cellular signal and reception leads to increased battery drain. My question is for those smarter than me: if we're on WiFi in a location with poor or very poor Cellular signal and reception, does that battery drain still occur? I want to think no but I'm not sure. Thanks in advance.
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Hello everyone!
I received my Vibrant from the US a week ago and noticed that when 3G is on, the reception is 1/2 bars at most. While it's connected, the device gets hot in the top part and the battery drains like a F1 racing car.
I though I could see how good is the signal and it's about (-90) - (-100) dbm.
I never had reception issues with my previous phone that is 3 years old (HTC Touch Cruise) whose reception is quite good. My company's antenna is about 1 Km far and it's emitting 3G in the WCDMA 2100 MHz band.
Could any setting improve the reception to avoid heating and battery consumption?
Thanks a lot!!
You may want to try to set it to 2G only if you want a good battery life.
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Maybe somebody knows an application that switches from 3G to 2G when the reception is not good. It might be very handy.
Also, I wanted to know what levels are acceptable in dbm for a 3G connection that doesn't drain the battery like crazy.
Thanks for your reply!
I am considering switching from the charge to the tbolt. is the 4G radio the main drain on the battery? 4G is not available where I live, so I am wondering if I could get away with the stock battery until it is available in my area. Could I get battery life at least comparable to the DX until it is?
Unless I'm on business, I'm presently in an 3G-exclusive area, and with CM7 my battery drain is 50% cell standby. That said, on BAMF 1.6.3 (Froyo) I didn't experience this much cell standby drain. To be sure, 4G does draw a fair amount of current, especially if the signal is weak.
Not that I can tell. From everything I'm seeing its the half acre of glass on the front of the thing that sucks the battery dry. 4G signal strength shouldn't have any effect at all on the battery because it doesn't use code division multiple access technology which requires the signals from all devices on that tower to have signal strength reaching the tower to be equal. Instead, it requires an advance be built into the signal transmission so that the phone addresses the tower within its time slot. This has no effect on battery drain at all. What will still drain the battery in 4G areas is the connection needed for voice and text, which still uses cdma, if my understanding is correct.
nerozehl said:
Unless I'm on business, I'm presently in an 3G-exclusive area, and with CM7 my battery drain is 50% cell standby. That said, on BAMF 1.6.3 (Froyo) I didn't experience this much cell standby drain. To be sure, 4G does draw a fair amount of current, especially if the signal is weak.
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I completely agree. If your 4g signal is somewhat weak, your battery will drain fairly quick. You might also notice your battery getting up to 103 degrees Fahrenheit because it keeps trying to get that weak 4g signal.
You could always change it to CDMA prl. That will save your battery and prevent it from drawing current to get a weak 4g signal.
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.
It has been documented that using wifi when at home (for example) can conserve battery, however in most cases there is a stable GSM signal. For this reason the phone will not waste a lot of battery trying to connect to the cellular network over and over again. However, I have an unusual situation that I would like advice on. My office has TERRIBLE reception and in fact I constantly lose/regain signal all day long. I believe this contributes to relatively low battery life on my phone(s) that I use. We do have office wifi however, and I am wondering how connecting to it will impact my battery. Would that improve the battery drain, or would it actually make it worse?
Hi all!
When I'm at home, I get about 3 bars of 3G signal. I have had this phone for about 3 days and the battery life is really bad, using basic apps drains my battery really fast. Should I change the network to 2G? Does the poor 3G signal affect the battery life significantly?
Much appreciated!
If 2G is enough for you, change it. It uses less battery even with good 3G signal...
And yes, a poor signal always uses much more battery life than good signal, no matter GSM/2G/3G/4G...
Yes, I have noticed that in areas where signal is poor (1-2 bars), battery drains significantly faster. It's quite irritating since this issue is non-existent on iPhones. I wonder if a software update can fix this.
Sharpshooterrr said:
Yes, I have noticed that in areas where signal is poor (1-2 bars), battery drains significantly faster. It's quite irritating since this issue is non-existent on iPhones. I wonder if a software update can fix this.
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It's the technique of every phone, even on iPhones... the amount sure can vary, but it's not inexistent...
I have about 1-2 bars at home and over night it takes about 2-3% of charge, very similar like iPhone I had before...
it does on mine. at work i get full signal and though i use it a fair bit, it doesnt seem to use too much battery but at home where i get terrible battery life it seems to use more battery