the key to battery winning - Thunderbolt General

im sure a lot of people already know this but i wanted to share with maybe some of the newer less experienced users..
if you switch your phone to wifi, or 1x or even 3g.. you will drain far much less of your battery as opposed to 4g.. i took my phone off charge this morning at 9am and right now im at 8% battery life, and i've been using it pretty frequently all day.
for those of you dont know how to switch, get LTE on/off app
CMDA only is 1x
EvDO only is 3g
CMDA + LTE/EvDoa auto is 4g unless it's not present
just a helpful hint! no need to keep 4g on if your phone is chillin in your pocket!

Related

[Q] Edge only Battery Life?

Does anyone else set their device to GSM / edge only? I dont have a data plan so there isn't a need for 3G. Also i spend my day in an area of a building that barely receives an edge connection so it keeps the Fuze from switching from 3g to edge to 3g / etc...
Today was the first day (outside of my office) that i used it with 3G off. and the battery only lasted about 4 hours i had only sent / read about 40 text messages in that time too. it is weird.
just looking for input from others that might have the 3g turned off.
thanks!
u mentioned u don't have a data plan... so did you use your wifi extensively?
I have 3G off, but I don't read so many massages my battery keep 2-4 days. I also disabled TF3D.
I have 3G disabled as I have the Euro/Asia TP so 3G doesn't work here in North America. I have a data plan, 3G would be nice but EDGE is enough for my medium email / browsing needs.
I use WiFi only when I need to stream media or download files above 10mb, etc. I fine that my battery lasts 1-2 days, depending on my usage. Also I find my battery lasts longer than it did before, partly I think because I put the phone down sometimes now, and partly because it is now "broken in" properly.
I think it is vital to battery life to disable the radios you are not using, such as bluetooth and WiFi, as those are from a battery's standpoint, the silent killer.
I would also be inclined to agree with majkeljj, in that TF3D really draws a lot of power. I did test this, but I find reduced battery life is worth it, as I like TF3D....for now at least
i started today with
a full charge
egde
TF3D - enabled
no wifi
no BT
and it is crummy to the point where it will be dead later tonight. I dont browse EVER from my phones. I'll try it again tomorrow with the same start and TF3D off.
thanks for the input!

Battery life is bad because of the radio

I'm on the EagleBlood Rom and currently in Singapore. Becsause I'm not using T-Mobiles expensive service and WLAN is here everywhere I have used the phone with WLAN + GPS only (Airplane mode + manual turned on WLAN + GPS). I used Locus Pro extensivly to navigate through the city and record my track. Battery after first day 8:00AM til 9:00PM was 79%. Second day is 55%.
Therefore the Cell Standby is really the issue here I would asume. But hack what do I have a cell phone for if I can't turn on the radio???
Battery really sucks otherwise. When I go to work at 07:30am and come home at 4:30PM I can put the phone on the charger, even though I barly used it.
I'm in the states, this phone lasts from about 7:30 AM until 8:00 PM with no problem, regular use, 4G all day. I disabled the Wifi which helped a lot.
Wifi uses less battery due to not having to poll the network to renew the connection. Wifi calling uses even less battery because now you have no connection to the network and it can keep a static connection to the wifi network. No need to renew that connection so it just sits there and does nothing.
I've tested and confirmed this on more than one phone.
And of course the radio is using battery. It's second only to the display in battery use. Like you said, what good is a cell phone without having the radio enabled?
iamlilysdad said:
Wifi uses less battery due to not having to poll the network to renew the connection. Wifi calling uses even less battery because now you have no connection to the network and it can keep a static connection to the wifi network. No need to renew that connection so it just sits there and does nothing.
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Click to collapse
This all true. Display and 3G/4G radio are the killers.
Unless you have wifi on and aren't connected to a network. Then your phone is polling for wifi connections in addition to 4G
Yay! Yet another battery thread that I get to comment on!
i use wifi/wifi-calling over 95% of the time and my battery rocks! The moment I turn it off... bam.... I get crappy life on a batter. the difference is from around 35hr and drops to around 20. Then if i had moderate to heavy use on it, I'm sure I'd be getting the 8hrs everyone is complaining about.
I like cheese
hire4blood said:
I'm on the EagleBlood Rom and currently in Singapore. Becsause I'm not using T-Mobiles expensive service and WLAN is here everywhere I have used the phone with WLAN + GPS only (Airplane mode + manual turned on WLAN + GPS). I used Locus Pro extensivly to navigate through the city and record my track. Battery after first day 8:00AM til 9:00PM was 79%. Second day is 55%.
Therefore the Cell Standby is really the issue here I would asume. But hack what do I have a cell phone for if I can't turn on the radio???
Battery really sucks otherwise. When I go to work at 07:30am and come home at 4:30PM I can put the phone on the charger, even though I barly used it.
Click to expand...
Click to collapse
I'm going to Hong Kong this Sunday, then will be in Singapore by the end of next Wednesday. I'm thinking to buy a local sim and use 2g only with manual WLAN, GPS off.
Agreed. I'm running CM7 #9. Took the phone off the charger at 8am. Checked my push exchange, twitter, and facebook updates. Went into work where we have no service. I have WiFi turned on for data.
I still have the cellular radio on, btw. At 3pm I have 88%.
CM7 has a WiFi bug which the WiFi won't stay on (goes to sleep with the screen off). But still pretty good.
it has been proved that 4g kills battery faster then 3g and 2g. http://blog.lifehacker.com/5741627/why-you-might-want-to-wait-for-a-4g-phone until there is a way for 4g radios to manage data more efficiently 4g is gonna kill you battery.
I'm using Eagle Blood 1.03 and my battery life is awesome right now. I think at this point, I could do a couple days before running out. I am just speculating right now, but I will try to leave off the charger tonight to see what I can get out of it.
cervantesjc said:
it has been proved that 4g kills battery faster then 3g and 2g. http://blog.lifehacker.com/5741627/why-you-might-want-to-wait-for-a-4g-phone until there is a way for 4g radios to manage data more efficiently 4g is gonna kill you battery.
Click to expand...
Click to collapse
If you saying only 4G I cannot share the expirience with you. I even turned of data completly, while I was still in the US and still got bad battery life with ONLY the radio turned on (WLAN + Data + GPS turned off)
jdaclutch said:
I'm going to Hong Kong this Sunday, then will be in Singapore by the end of next Wednesday. I'm thinking to buy a local sim and use 2g only with manual WLAN, GPS off.
Click to expand...
Click to collapse
Hong Kong Airport has free WLAN. Singapore has free wirless LAN called [email protected] through the whole downtown area. But there is a catch you have to have a Singapore Mobile number to register. They will send you the UserID and Password via text message. Lucky me I have a friend here sharing his user ID with me ... Therefore no need for the Radio to be turned on at all. And like I said the battery now last forever...
hire4blood said:
If you saying only 4G I cannot share the expirience with you. I even turned of data completly, while I was still in the US and still got bad battery life with ONLY the radio turned on (WLAN + Data + GPS turned off)
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Click to collapse
Ok let me see if i understand (not trying to be a **** here), if all of the phone functions are turned off, what were you doing?, playing games?, watching videos?, i don't know, because to me it sounds like you phone was idle.
One more example that 4g kills battery is the thunderbolt, if you think that the G2x kills battery you should use that phone and comeback to the G2x, even HTC is selling bigger batteries for thunderbolt because customers are *****ing about the battery life.
You should try and use 2g only and see if this helps you battery life a little, i guess im just lucky, i have no screen bleed, no reboots and battery life for me is awesome, whit and without 4g.
cervantesjc said:
Ok let me see if i understand (not trying to be a **** here), if all of the phone functions are turned off, what were you doing?, playing games?, watching videos?, i don't know, because to me it sounds like you phone was idle.
One more example that 4g kills battery is the thunderbolt, if you think that the G2x kills battery you should use that phone and comeback to the G2x, even HTC is selling bigger batteries for thunderbolt because customers are *****ing about the battery life.
You should try and use 2g only and see if this helps you battery life a little, i guess im just lucky, i have no screen bleed, no reboots and battery life for me is awesome, whit and without 4g.
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Click to collapse
Dude all the functions are turned on except the radio. I use the phone in airplane mode with WLAN + GPS enabled. I use GPS apps to track my way to Singapore. In downtown they have free WLAN everywhere. Phone last for 2 days this way, but makes no sence of course having a phone without a radio...
Oh and I use Sipdroid with Sipgate to receive and do free phone calls
cervantesjc said:
it has been proved that 4g kills battery faster then 3g and 2g. http://blog.lifehacker.com/5741627/why-you-might-want-to-wait-for-a-4g-phone until there is a way for 4g radios to manage data more efficiently 4g is gonna kill you battery.
Click to expand...
Click to collapse
Just making sure here, but you know that T-Mobile's 4G is still using the same existing 3G connections, thus not requiring it to run on a different band, right? HSPA/HSPA+ connections share the same bands, and thus the "4G" connection is running through the same radio without affecting battery life. WiMAX and LTE operate differently and both run seperate from the EVDO that Verizon and Sprint use for their 3G.
That being said, a radio, regardless, will always drain the battery faster than anything, which is why Wifi Calling is so effective in keeping high battery life.
The other HSPA+ enabled phones on T-Mobile are getting fantastic battery life, as long as you aren't constantly using the displays.
I am leaning to believe that's a major reason why everyone's phones are dying so fast. They've got a new toy so they're always playing with it and killing it quickly. I've done that with every new phone I've gotten. My G1, the Cliq, the myTouch Slide, and now this. Give it a few days and when you're not turning the screen on every five seconds to just flick around the menus, and you'll see your life improve.
Yesterday, for example, I ran my phone off of charge from 11 AM EST until 6 AM EST (6 AM, Monday Morning). This was with moderate use.
Its not just that we're playing with our new toys. This phone most definitely drains battery like its going out of style. I had to drive 90 minutes to the client I was coming to work with today. I unplugged my phone when I left my hotel room (and it was at 100%) and when I got to the office, 2hours and 15 minutes later, having never turned my phone on since I was driving the whole time, my phone was at 82%. That's really bad for a phone idling. I think there's a radio bug or its polling too often because if I let JuiceDefender work, then in the same period of time this evening I was at 94% battery. That's a big difference.
hire4blood said:
Hong Kong Airport has free WLAN. Singapore has free wirless LAN called [email protected] through the whole downtown area. But there is a catch you have to have a Singapore Mobile number to register. They will send you the UserID and Password via text message. Lucky me I have a friend here sharing his user ID with me ... Therefore no need for the Radio to be turned on at all. And like I said the battery now last forever...
Click to expand...
Click to collapse
I know HK airport has free WLAN, but places like starbucks/Mcd only offer 30 mins- 2 hours of free WLAN a day.I will be in HK for a month(after I got back from Singapore), so I might need to purchase a pre-paid internet plan..I will be in Singapore for a week, so hopefully they will have unlimited free WLAN there...
IT'S NOT 4G THAT'S KILLING BATTERY. As was stated above it uses the existing 3G network for faster data speeds. Phones like the Thunderbolt and EVO (and anything else that connects to WIMAX or LTE) need a completely separate radio (and thus controller) to connect to 4G.
HSPA+ is just really fast 3G so the existing SOC's that have support on-die for T-Mobile 3G frequencies just have to have a slightly updated version of the hardware (to support either class 10 or class 14 HSPA+).
This would be a perfect example as to why T-Mobile and AT&T shouldn't be able to market HSPA+ as 4G. It confuses people and makes them think that battery life will suck because of it like it does on Sprint and Verizon. When SOC's come out that have on die support for LTE and WIMAX (I think I heard 2012) then battery life for those phones won't suck anymore.
xenoletum said:
Just making sure here, but you know that T-Mobile's 4G is still using the same existing 3G connections, thus not requiring it to run on a different band, right? HSPA/HSPA+ connections share the same bands, and thus the "4G" connection is running through the same radio without affecting battery life. WiMAX and LTE operate differently and both run seperate from the EVDO that Verizon and Sprint use for their 3G.
That being said, a radio, regardless, will always drain the battery faster than anything, which is why Wifi Calling is so effective in keeping high battery life.
The other HSPA+ enabled phones on T-Mobile are getting fantastic battery life, as long as you aren't constantly using the displays.
I am leaning to believe that's a major reason why everyone's phones are dying so fast. They've got a new toy so they're always playing with it and killing it quickly. I've done that with every new phone I've gotten. My G1, the Cliq, the myTouch Slide, and now this. Give it a few days and when you're not turning the screen on every five seconds to just flick around the menus, and you'll see your life improve.
Yesterday, for example, I ran my phone off of charge from 11 AM EST until 6 AM EST (6 AM, Monday Morning). This was with moderate use.
Click to expand...
Click to collapse
The antena-radio, is using more battery, just because is handling data at a higher rate.
Just like I said before, until there is a way or update to the radio to handle data more efficiently, 4g radio is gonna keep draining battery.
And yes hspa+ and wimax are similar yet incompatible technologies, but the way they handle data take a big chunk out of you battery.
And is a fact that radio is draining most of the battery, and until we get a radio update, battery is gonna drain fast.
Sent from my LG-P999 using XDA App

[Q] Anyone notice crazy battery drain when signal is spotty?

I'm currently out at a client site, but it's super bad reception here in the conference room they stuck us in. First of all, no 4G in colorado springs, so i disabled LTE, and hit CDMA in the network settings.
3G is near impossible inside, so i usually get 1X, and voice connection is next to impossible also.
So i noticed that from unplugging in the morning at 7:30am. at around 2pm, my battery was already down to 10%!
And i didn't even use it.
I did see from my battery usage, that Android system was ABOVE screen in power usage.
Anyone have the same issue?
I've had the same problem with EVERY phone ever, even non-smartphones have this problem. The lower the signal, the more the phone will scan for a good signal. If it has no service, it scans very frequently. If you're on a smartphone, it's even worse because then when the phone does get service, all the data apps attempt to use what little bandwidth you do have all at once. If you're in an area with poor coverage, put your phone into download mode or disable the data connection. Nothing short of putting a network extender or new tower will solve this.
Yes, but this is typical of most phones really. Searching for a signal, acquiring it, losing it, etc, uses a lot of battery. You just have to disable data. If there is wifi available, then use that, if not, just have to wait until you go outside. I have no reception in my building at work, if I leave data on, my battery is dead in a couple hours, on wifi I can go all day
Yes and my phone got very hot in my pocket at the time as well.
got_rice64 said:
I'm currently out at a client site, but it's super bad reception here in the conference room they stuck us in. First of all, no 4G in colorado springs, so i disabled LTE, and hit CDMA in the network settings.
3G is near impossible inside, so i usually get 1X, and voice connection is next to impossible also.
So i noticed that from unplugging in the morning at 7:30am. at around 2pm, my battery was already down to 10%!
And i didn't even use it.
I did see from my battery usage, that Android system was ABOVE screen in power usage.
Anyone have the same issue?
Click to expand...
Click to collapse
I have this issue at work. I get anwhere from 10-15% battery drain an hour. I have determined that it is NOT because of the data signal though becuase I can turn that off and still get about the same excessive drain. It appears to be because of the voice signal. It varies anywhere from -85dm to -115dbm and is constantly changing. When I get outside of work environment, everthing is fine again and battery usage returns to normal. My Droid X did not have this issue.
-115db? How do you have signal at that rating? lol. Phone gets to about 1 bar when it reaches 101 for me.
I have the same issue in my office. I just barely get voice/text service. My solution is to turn off mobile data and plug my phone in to balance out the battery drain from the weak signal. I know it is bad to have my phone plugged in all of the time but it is better to be able to have sms and not have a dead phone when I am done at work.
Sent from my SCH-I510 using XDA Premium App
Samsuck said:
-115db? How do you have signal at that rating? lol. Phone gets to about 1 bar when it reaches 101 for me.
Click to expand...
Click to collapse
Yeah. Tell me about it. I am using Mobile Signal Widget to measure this. When It gets that bad, a little android face appears in the widget and it is crying.
YES! easily drains 10-15% an hour at a local pub that has 1 bar of signal.
It makes perfect sense... Your phone is fighting hard for that signal.
Sent from my Droid Charge running GummyFroyo 1.9.1
I drive 50+ miles to get to work and I always notice it drains a lot during my commute even when not used. I figured it was because of all the cell site swaps and searches bc I'm sure there's some spotty areas.
Sent from my SCH-I510 using XDA Premium App
Same experience. Dropped to 5% in 9 hours yesterday when I forgot to turn off data while at work. Today, I'm still at 75% after 9 hours with data off.
Juice defender solved this on my fascinate. It turned data on only once every 30 minutes. But, I can't get it to turn my data back on with this phone.
I really wish data signal aggressiveness was managed better by the operating system. It could be a real boon to the average battery life. Perhaps a smart developer could come up with some sort of "conservative" governor for 3g/4g connections. Rather than increasing power draw, it could just "sleep" until a stronger signal is detected... Imnuts? Is this even possible or just a pipedream?
Sent from my SCH-I510 using XDA App
I can't reach my dad on his cell phone while at the pentagon for obvious reasons. He has to turn his phone off during the day or it'll die in a few short hours, as a previous poster mentioned searching for a signal is a huge battery drain.
Strange. I did not have this problem with my OG Doid or Droid X in the same environment. Maybe the Moto phones simply have a better radio than the Charge.
Yeah for some reason, the samsung radio are junk. I have my Droid Charge (personal) and an Lg phone (business) and the lg blows the sammy out of the water. Now i am in 3g fringe (forget about 4g), and the sammy loses data all together while my lg still has the signal. I hate when i am trying to search for something on the charge and it says connection failed or network unavailable retry. Even when i call verizon, they all have me do a reset and stuff, and nothing works. The best answer i get is that iam in a 3g fringe area. When i tell them that my lg works and still has signal, all i get is silence or hmmmmmm. Gota love it. Yes they exchanged the phone with a new one and it still does the same thing. Forget about battery life. I actually carry 3 batteries with me and on a good day i only use 2 but usually it is 3. Before anyone says use wifi, unfortunatly we do not have free wifi where i work. anyway that should not be the answer to this problem. We are paying for a service that i can barely use.
end rant.
91point6 said:
Strange. I did not have this problem with my OG Doid or Droid X in the same environment. Maybe the Moto phones simply have a better radio than the Charge.
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Click to collapse
galaxyuser88 said:
Yeah for some reason, the samsung radio are junk. I have my Droid Charge (personal) and an Lg phone (business) and the lg blows the sammy out of the water. Now i am in 3g fringe (forget about 4g), and the sammy loses data all together while my lg still has the signal. I hate when i am trying to search for something on the charge and it says connection failed or network unavailable retry. Even when i call verizon, they all have me do a reset and stuff, and nothing works. The best answer i get is that iam in a 3g fringe area. When i tell them that my lg works and still has signal, all i get is silence or hmmmmmm. Gota love it. Yes they exchanged the phone with a new one and it still does the same thing. Forget about battery life. I actually carry 3 batteries with me and on a good day i only use 2 but usually it is 3. Before anyone says use wifi, unfortunatly we do not have free wifi where i work. anyway that should not be the answer to this problem. We are paying for a service that i can barely use.
end rant.
Click to expand...
Click to collapse
I went through the whole VZW customer service thing both on the phone and in person. They weren't much help but they gave me a brand new phone and it does the same thing. Then there were a lot of suggstions on different forums suggesting apps killers, turning data off, turing on 3g only data, rooting, trying different ROMs, battery clalibration, etc. None of this helps. The kind of drain I am seeing goes way beyond any benefits I would see out of any of these things. For example, I am at work now. When I left the house, it takes about 15 minutes for me to get to work. The rest of the time I have been inside my work building. I have been on battery for 2 hours & 24 minutes and I am at 76% already. Thats >10% drain per hour. When I am outside the building it is more like 3-5%. VZW customer service never suggested this as a problem. They DID suggest that 4g uses more battery but that is not the problem. I have proved that time and again by simply turning data off.
Hmm..sounds like a bad phone..I am in a fringe area at work and it definitely kills by battery faster but..it's only like 8% and hour so I still get 10 hrs a day or so...in a bad area. In a good 4 G area..I will get 24 hrs or so out of the phone.
galaxyuser88 said:
Yeah for some reason, the samsung radio are junk. I have my Droid Charge (personal) and an Lg phone (business) and the lg blows the sammy out of the water. Now i am in 3g fringe (forget about 4g), and the sammy loses data all together while my lg still has the signal. I hate when i am trying to search for something on the charge and it says connection failed or network unavailable retry. Even when i call verizon, they all have me do a reset and stuff, and nothing works. The best answer i get is that iam in a 3g fringe area. When i tell them that my lg works and still has signal, all i get is silence or hmmmmmm. Gota love it. Yes they exchanged the phone with a new one and it still does the same thing. Forget about battery life. I actually carry 3 batteries with me and on a good day i only use 2 but usually it is 3. Before anyone says use wifi, unfortunatly we do not have free wifi where i work. anyway that should not be the answer to this problem. We are paying for a service that i can barely use.
end rant.
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Click to collapse
Wow, that is the complete opposite of my experience. I've never had good signal with any LG phone - from flip phones to smartphones. Samsungs in my experience are middle of the road - not great, but not bad either. Motorolas usually do well, but there are certainly exceptions. HTC seems to be fairly good, but again, there are exceptions. Oh, and I did have one Audiovox phone on VZW, and it was garbage.
Haha you can whine about it in my rage thread
Sent from my Droid Charge running GummyFroyo 1.9.1

Lte

I just had the coolest thing happen, I woke up and turned my phone on only to find I have lte at my house now! Has this happened to anyone else in the Atlanta area?
Jealous. I wish they'd work on my area. Upstate sc
gunnyman said:
Jealous. I wish they'd work on my area. Upstate sc
Click to expand...
Click to collapse
Your day will come, and when it does.
You will be prepared
Sent from my HTC One
Be prepared to get worse battery life than before. LTE really chews battery life alive. I turn off mobile data when I'm not using it just to get better battery though.
im on LTE and get 24 hours easy...and id consider myself at least a moderate user.
I havent noticed bad battery life when I was using it before but its never been constant so I guess Ill find out soon haha
Ottawa - Canada
Where LTE covered pretty much everywhere. I've used LTE on my device and I get at the most 6hours of usage.
I consider myself very heavy user. Download, online music, browsing, IM+ etc... Switching LTE off and going only on 4G I get an extra 12hours worth of juice but the speed is more then what I need 4G speed here is an average of 8mpbs UP and DOWN. That translate to 800K per second in transfer rate. Just as fast as you regular high speed at home. So no there's no need for LTE personally. It just kills your battery off in no time.
I've consistently gotten over 24 hours with light usage on LTE. Obviously reception and level of usage will make a big difference. But for many people the battery life on LTE is plenty good enough to use all day, then charge when you sleep.
LTE destroys battery, but that's what 3g is for
Hail Cobra!
Shaddy-Z. said:
Be prepared to get worse battery life than before. LTE really chews battery life alive. I turn off mobile data when I'm not using it just to get better battery though.
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Click to collapse
I haven't noticed a significant drain on the battery going from HSPA+ to LTE.
I don't use wifi because of the bugs so i'm always using data.
I easily get 18+ hrs with heavy usage, including 3+ hrs screen time on LTE, so not real sure what you are expecting from the battery. It's a high-end Smartphone, use it for what its meant to be used for.
Based on some of the responses, the logic is like buying a Ferrari and only driving it 55 in the slow lane cuz you're worried about not getting good gas mileage.... Com'on people, use the damn phone!
Sent from my HTC One X using xda premium
Justjusten said:
I just had the coolest thing happen, I woke up and turned my phone on only to find I have lte at my house now! Has this happened to anyone else in the Atlanta area?
Click to expand...
Click to collapse
Yes, I never got a LTE signal at my house which is roughly 50 miles from Atlanta, but recently I've started getting a very good LTE signal at home.
I also don't see any of these battery drain issues everyone talks about. I'm on LTE for about 16 hours a day before I plug my phone in at night, and I always have some juice left. This has changed to be even better recently since I tend to need wifi more using AOKP and it's inconsistent mobile data. But my good battery life was consistent with stock and other Sense ROMs using only LTE.
Sent from my HTC One X using XDA
Justjusten said:
I just had the coolest thing happen, I woke up and turned my phone on only to find I have lte at my house now! Has this happened to anyone else in the Atlanta area?
Click to expand...
Click to collapse
Lmfao, me too. I'm in hiram. I now have lte all the way from Atlanta to Paulding county. In fact, I have had constant lte since. I was sitting at the bowling alley, which I use to struggle just to get any signal, and I had two bars, lte.
Really haven't noticed much of a difference in battery drain either. Now I do use wifi at the house but still, been pretty impressed actually.
Sent from my HTC One X using Tapatalk 2
When you get throttled what are typical speeds?? Out of nowhere my speeds went from 16-24mb down and 7-11mb up to about 3-6mb down and 1-2mb up. Checked my usage (unlimited) and i've only used 200+mb so far. Whats up with that?
I suspect that the people complaining about LTE battery drain also have their brightness turned way up, like at full. I know, b/c I'm one of those people. Almost any phone is going to last you an entire day, of even heavy use, if the brightness is down to 10%. Even in the laptop world, the battery life differential going from 10% brightness to 100% screen brightness is double, real world use.

Battery Drain while using 4G data...

I've been working on improving my battery. I've noticed a big improvement by using cpu-editor and super saver app. I've also noticed that battery lasts a lot longer on WiFi than it does on 4g Since 8:30 this morning (7 hours), I've used 33% mostly on WiFi and I think that's pretty good.
So, I was wondering... what can be done to improve battery life when on AT&T? I've tried the new radio, I'm not sire that's made a difference. Maybe it has, hard to tell.
shgadwa said:
I've been working on improving my battery. I've noticed a big improvement by using cpu-editor and super saver app. I've also noticed that battery lasts a lot longer on WiFi than it does on 4g Since 8:30 this morning (7 hours), I've used 33% mostly on WiFi and I think that's pretty good.
So, I was wondering... what can be done to improve battery life when on AT&T? I've tried the new radio, I'm not sire that's made a difference. Maybe it has, hard to tell.
Click to expand...
Click to collapse
If you're on LTE, you will inevitably use more power than just WiFi, that's just how it works.
If you can kick down to HSPA+ or UMTS you will see significant battery savings.
Hunt3r.j2 said:
If you're on LTE, you will inevitably use more power than just WiFi, that's just how it works.
If you can kick down to HSPA+ or UMTS you will see significant battery savings.
Click to expand...
Click to collapse
Thank you for your reply.
I'm in Albany, NY. I've been told we have one LTE tower here, but I've not experienced it yet. I should locate it and drive to it just so I can get a taste of how fast it is.
That said, I use HSPA+, unless I'm on WiFi.
shgadwa said:
Thank you for your reply.
I'm in Albany, NY. I've been told we have one LTE tower here, but I've not experienced it yet. I should locate it and drive to it just so I can get a taste of how fast it is.
That said, I use HSPA+, unless I'm on WiFi.
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HSPA+ uses more battery than WiFi when actively using it for data, the change just isn't as significant compared to when using the phone on LTE.
Some things you'll want to do to really get battery life savings is to eliminate partial wakelocks, and turn down screen brightness either by using a custom ROM or managing settings manually, as HTC's autobrightness is terrible out of the box and doesn't properly turn down brightness when you need it to, or turn it up when you need it to.
After that, if you don't need to have push email all the time then you can turn off always on mobile data, or manually turn off mobile data when you aren't using it.
Our Russian LTE testers of HTC One XL reports about 1.5-2 hours of LTE tethering. Make your conclusions.
Hunt3r.j2 said:
If you're on LTE, you will inevitably use more power than just WiFi, that's just how it works.
If you can kick down to HSPA+ or UMTS you will see significant battery savings.
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Can someone explain to me how to go from LTE to HSPA+ to EDGE? I've tried looking in the settings but all I can find is a "Mobile network" on/off toggle. There is no option to turn on/off LTE, or HSPA+ or EDGE. It's a bit frustrating. Then in my status bar, the 4G icon is always displayed even when "Mobile network" is off. No data but it still shows up. Is this how it is supposed to be?
BTW, I'm using the stock ROM with Apex Launcher. I do not want to root or use a custom ROM.

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