Wifi speed drops to 1mbps after a period of time - Nexus 7 Q&A, Help & Troubleshooting

Does anyone have the issue where if their nexus has been on for a period of time the wifi performance becomes pathetic?
Using speedtest.net I clocked my wifi this morning at a little over 1mbps. Rebooting the device brings it back up to satisfactory levels. Within 5 minutes or so it dropped back down to a consistent 2mbps.
It's making watching any kind of streaming video on the device impossible, which makes the device pretty useless to me as that was it's primary function.

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DVP Battery Life

Hi everyone, I'm new to these forums and the DVP, I just got mine Thursday.
I seem to have every issue under the sun with this phone. Wifi crashes, buggy marketplace and constantly changing signal. With all of these issues I wasn't sure how to judge battery life. What has everyone been getting? I can only get about 3-4 hours of life with no wifi, bluetooth or any web browsing. I was running zune the whole time and playing music as well as having location active.
2-3 Hours of internet usage with wifi and bluetooth off.
7-8 hours standby time. Went to sleep at night; woke up in the morning and battery died.
Issue with constantly changing signal from 0G to EDGE to 3G, Dropped a few calls.
I use this phone in the New York City area, so the signal from Tmobile should have full bars. Also, my apartment is the on the highest level and the highest building of the borough.
I easily get through a full day with a single charge, including maybe around 60 minutes of talk time on weekdays. I've had days where I did not charge the night before, had around 40% battery and made it well into the afternoon without an issue.
So the life you're seeing sounds exceptionally poor to me based on my experience (or mine is uncommonly good)
Mann_Kel said:
Hi everyone, I'm new to these forums and the DVP, I just got mine Thursday.
I seem to have every issue under the sun with this phone. Wifi crashes, buggy marketplace and constantly changing signal. With all of these issues I wasn't sure how to judge battery life. What has everyone been getting? I can only get about 3-4 hours of life with no wifi, bluetooth or any web browsing. I was running zune the whole time and playing music as well as having location active.
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That sounds short to me. I leave my WiFi on all the time (too lazy to turn it on and off), but Bluetooth off since I don't have anything that uses it. The heaviest use I ever had was Xbox Live games for about 3 hours (don't judge! I was in the car headed to visit family!), Kindle for about an hour that night, and probably about 60 minutes of talk and text. I don't really browse the Web on the phone. It was off the cord from 6 am to 10 pm, and I put it back on the cord with the barest sliver of battery left.
I'm getting just over a full days charge with about 2-3 hours of XBox Live + Zune, plenty of emails and texts (probably 50 a day? I've never really counted). I don't really get the signal problems reported by a lot of users, and I rarely use WiFi (every once in a while to start a game download because it makes me, but then I just flip off WiFi and finish over the "4g" in my area).
I also surf probably an hour or so. Exchange is set to as items arrive, gmail every 30, live mail manual.
My battery life isnt so good, but my phone isnt always in 3g it bumps to Edge a lot in which i think affects the battery life. The battery life is so-so
I received my VP this past Thursday the 12th. So, have had it for 4 days. I decided to test the batt life out yesterday. I took it off the charger at exactly 9AM my time.
I talked on the phone (not sure how long total, an hour or so, I think), sent text messages (maybe 20+), shot just over a minute of 720p video, took two pics, used the internet extensively, played a few games for about 30 minutes, downloaded some apps.
Wi-fi stays on, location is on as well.
My battery died at approximately 9:48p.
So, 12:30 hours with pretty extensive use. I'd say that's pretty good for a smart phone.
So, maybe your case is an exception. Incidentally, I've only had one crash since I had it. Hit the wifi toast message at a friends house when that popped up and then hit back real quick because I didn't wanna do anything with wifi. Phone locked up and I cycled the power on then off.
Otherwise, I haven't had a single issue with it.
I also have wifi at my house and never turn it off on the phone.
So, keeping fingers crossed.
Been using it for 3-4 days straight in NYC so far, to me the battery life is pretty bad even compared to the developer phone I previously had. Generally i'm out about 8-12 hours a day. Moderate picture taking, not more than 20 mins of game playing and very light phone use. It does get better if you remember to turn off the music when you power down the phone into standby mode, but for the most part this thing struggles to make 8+ hours. If I was going out into the wilderness, I would not be relying on this phone, a $100 android phone would probably be the sweet spot between data capability and battery life in that case.
The developer phone I used to have that I used more heavily could easily get into the 12 hour+ range. The Dell does pack a better screen and keyboard however, with the screen probably being the bigger factor there. If anything the ****ty blurry camera is my biggest issue at the moment
I think we should set up a test to see how peoples batteries perform. I will start a new thread with a poll
Yesterday was my first day of having this phone. I took it off the charger around 530pm and it was close to dying around 11pm.. I only did some light browsing and texting through Google a Google voice app..maybe the app itself is what drained my battery who knows.. I hope it continues to improve over time.
My battery life has been fantastic - literally the best I've had on a phone in years (including brief stints with the Samsung Focus and HTC HD7). I easily get through the whole day on a charge with moderate usage, whereas my HD2 needed some mid-day juice to make it through.
i can barely get through a day on a full charge. I'm not complaining because this phone does a heck of a lot, but my one year old Touch Pro 2 could easily go 2 full days with moderate use.
however if i'm in airplane mode i'm sure i can go 2+ days. when i'm in weak 3G coverage areas I see the signal indicator bounce all over the place from G/EDGE/3G, i'm guessing this is what is causing the battery drain. hopefully a software patch/upgrade will address this later on?

Almost 30+ hours == EC01 + SuperClean 2.9.2

I again wanted to say thank you to all involved in making the Fascinate the best phone it can be.
I have instantly noticed a considerable battery life improvement using this radio.
Just thanks.
And juice defender doesn't hurt either..
You must not be using your phone at all, mine only gives my around 7 hours.
Really? Only 30 hours? My white fascinate could go for 3 days with light usage and 2 with moderate. I bet you it could last for 4 days if I didn't do anything but text or call people. Oh and don't use battery apps, they don't do crap honestly. The only thing that kills your phone is games and the screen being on. But if you use your stock Froyo task manager then you're good.
I am confused a little but mostly dissapointed in how people report usage and battery life around here. I think for the most part it is simply a result of how subjective the term "use" is defined in all it's various "states". For instance what I consider "heavy usage" might be beyond what a lot of people would consider to even be reasonably expected. On the other hand you can have another person who thinks using their phone once for a few minutes every hour is heavy usage. Some seem to be reporting standby time like it is normal usage, which depending on your definition could be true. Some people seem to be obviously "lengthening" their "epeen" for some unknown sad reason which is the part that is dissapointing.
I can say, once, I left mine on after using it all day Friday, set it on a table at home and I can't remember why but I didn't touch it again till Sunday afternoon. It literally only used a few percent battery life. This is abnormal usage to me. This might be "normal" for some people.
Some people like myself are device addicts. I don't go anywhere without my phone. I rarely make calls on it. I rarely use my powerful desktop for any casual pc use like web surfing, IRC, listening to music, personal gmail and work email via exchange. I do all of that on my phone. My day consists of picking up the phone fully charged at 7:30am, at work by 7:45, and then once in my cube the headphones get plugged in and between voodoo sound and power amp I get pretty lost in the tunes. All the while I am getting constant email delivery notices. I probably look something up on my phone a few times a day. It is on wifi all day at work and home.
Once home I stay on it after dinner....once the kids are away, the wife and I sit in the living room and she on her laptop and me on my phone we kinda watch shows together while surfing or whatever. So hours of constant use in the evening. My screen is on a lot because I don't go long without doing something on it.
I have recently been getting around 14-18 hours if I run it to dead on the 2.9.2 + latest Voodoo sound enabled kernel floating around but was on eb01 radio. I flashed ec01 radio tonight hopefully to see better battery life but there's no way in hell I would be expecting anything close to 30 hours or days!? Not unless I laid my phone down and walked away for a few days, then sure. I consider myself to be a fairly heavy user.
Sent from my SCH-I500 using XDA Premium App
In my case Syn Ack is right about the screen. This past weekend I gave my phone a real test. I put EC01 on, got rid of most of the bloat and left the phone in that state. Didn't install any extra apps that would run in the background. Only had 1 home screen with nothing on it but a black wallpaper. The phone looks boring as ****. lol
From what I saw, the only things eating battery was having the screen on, a small bit of time with no signal, followed by android system and any other apps I may have used which didn't make up much compared to the screen.
I love the screen, but it's like a high maintenance girlfriend. Its sucking the life outta this phone.
Sent from my SCH-I500 using XDA App
DeezNotes said:
I love the screen, but it's like a high maintenance girlfriend. Its sucking the life outta this phone.
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Click to collapse
That's pretty much par for the course. The screen is always the biggest battery drain in any phone out there, out of any piece of hardware in any phone. Trying to keep the screen's brightness as low as possible, and it off whenever you don't need it on, are probably the best things you can do to improve your battery life (followed by deleting crappy widgets like the Facebook one that keep your network up constantly).
Then again, I set my screen to have a 2 minute timeout, because the 15 or so second default way too often caused the screen to turn off on me while I was reading something and I generally use the power button to turn it off when I'm done. I figure, as long as I can make it till night, that's good enough for this phone 95% of the time (the other 5%, I can generally plan ahead).
I honestly don't see poor battery life as in issue for this phone.
Mine will last for 3 days of extremely light usage, 2 days with light-ish usage, and if I hammer on it and play some games, 14 hours or so, it'll beep at me.
IMO, this is not an issue. I have seen the battery life increase with the latest updates (OC Kernel from imnutz, SFC2.9.2, EC01 radio) - and I was happy before.
I also don;t think that you can really count on what other people see as anything but a hopeful ballpark figure. We all know that each of the phones HW is a little different. We all know that our setups vary greatly. We all know that we use the phone differently.
So, hoping that something will be a be all, end all guide as to how long your phone will stay powered depends on so many variables that you have to tweak it for your use.
FWIW, I run live wallpaper, 7 screens and use OC steps up to 1400 and I am very pleased, dare I say impressed with the life I get out of the phone. I also keep a spare battery fully charged - I guess this helps me care less and just ooh and ahh when it lasts more than a day.
Mine gets 150 hours...... Turned off.
Sent from my SCH-I500 using XDA App
With the phone sleeping (screen off), my battery drops at MOST 2% per hour. I don't use but a couple of widgets, Facebook and weather. My sync time for Facebook is 1 hour and weather is 2 hours.
For me, when I was referring to my 2-3 days of battery life:
Light usage (3 days): a few phone calls a day, < 25 texts, no internet, no market, no games, no battery control apps except using Task Manager wisely.
Moderate usage (2 days): regular phone calls, < 50 texts, some internet, maybe a game or 2 but not for long, Task manager.
Heavy usage (1.5 days): regular phone calls, texting all the time, heavy internet, games, rom flashing, playing music a bunch.
Super ridiculously heavy (1 day): phone/text/internet/games/music, all nonstop heavy usage.
Super light (3+): Data (3G) off, a couple calls, light texting, using Task manager wisely. It can happen...
One thing I have come to find out is that not only your screen is the number 1 factor but if you live in an area that phases your phone in and out of 3G very often, your phone could easily drain 10% per hour. The IT building here on my campus has god awful reception and it drains at 10% per hour but when I go home I only see 1-2% not doing anything at all. Wifi is a battery drainer too.
There were a few nights where I remember hitting task manager and clearing out every single task and everything possible running, turning off data, and turning the screen off and the phone did not even lose 1% of battery over 9 hours. Perfect reception.
So if you see terrible battery, try using your screen a little less, or turn down the brightness. Try a *228 for your radio towers update. Cell standby can you get hard if you're in bad reception.
The best thing you could do to save your battery is kill all of your tasks, turn off data, turn your screen off, and change your sync intervals to 1hour+.
i'm on ec01 for about 12 hours now, sFc, in nemesis OTB kernal underclocked using volt settings gives me about a 8 hours with the amount of usage I put it through. Serious wifi, network usage, processor spiking and multi-tasking. Overall what one would expect from android.
jpaulwaite said:
i'm on ec01 for about 12 hours now, sFc, in nemesis OTB kernal underclocked using volt settings gives me about a 8 hours with the amount of usage I put it through. Serious wifi, network usage, processor spiking and multi-tasking. Overall what one would expect from android.
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Click to collapse
Heavy user, this seems about right. Your battery goes from 100% to what % before you recharge?

N.A.B.T Not another battery thread

OK OK OK...
This isen't a battery thread that shows my battery lasting 10 days with me using it 1 second at a time with no bluetooth and wifi sharing frozen or whatever...
I really think the battery life is great... I'm convinced that the whiners are the ones that can't keep their hands of their phones, correct me if I'm wrong..
Anyway I ran the phone non-stop replaying a run on the first track of JetcarStunts for the first 2 hours then FPse running Street fighter EX2+ for the rest I also Checked e-mails and messages every now and then.. probly 10min worth.
Screen was on FULL Brightness, Push Email was on (2 accounts), with Pulse updates, Wifi ON, BlueTooth ON, GPS ON, Full reception in a 3G covered Area, Sound was half way cause it was driving me crazy at one stage, and I have it running @ 1.4ghz with no over and undervoltage, GPU is fixed @ 267 / 1000mV as you can see from my home page pic..
Anyway referring to the Battery usage pic... It was on and off for the first 10min before I decided to do my experiment, you'll also notice that the screen went off for a smidge a little later that's cause I forgot to touch the screen to keep it active (keep-awake was set to 10min) & it mentions Charging that's because I plugged it into my PC's USB out of habbit it was like 2 seconds before I realised.
You'll notice that the graph takes a dive during the later stages I think FPse was taxing the phone more then JetCarStunts... Having said that I can comfortably say that we can get at least 3h and 30min continuous usage out of our phones with everything MAXED out... Not bad for a duel core phone right? I also attached a Iphone4/3/3gs comparison pic.. but the testing was different
Quote: On the iPhone 4, I was able to browse the Web with streamed musical accompaniment for 50 minutes, make a 30 minute phone call and watch another 44 minutes of Shaft's Big Score before the new phone called it quits-4 hour and 32 minutes after testing began. And while the iPhone 4's 40 percent longer battery life was truly impressive, I worried that the year-old 3GS's battery had significantly less capacity than when purchased.
It doesen't mention if the streamed music was from wifi or 3G
P.s: I'm not sure if me interacting with the phone ie.. touching the screen and playing games takes up more battery life, If so can someone that aint married with 4 kids try the test out.. And I mean from start to Finish none of this I played (Insert game here) for 30 min and the battery went down 50%
Edit: Firmware version is KF2 with LULZ KERNAL BUILD 1
Nice results and impressive. I would be VERY interested to see the iPhone 4 tested again with identical usage pattern to what you did with the galaxy s2. My hunch is iPhone would last even longer at same usage.

Try turning off LTE for better battery life

I just did this and have noticed that my SoT has increased DRAMATICALLY. Take this with a grain of salt as it's the first time I've run this test, but previously, even at the DIMMEST setting, I noticed that I could only get about 27 minutes of SoT at 90% battery life. Just right now, in a bright room (my screen is set at the dimmest setting on auto, but it is NOT at the dimmest the screen can be), I just got 42 minutes of SoT at 90% battery. That is a 55% increase in battery life, not factoring in the additional battery it takes because the screen is also brighter.
Will leave LTE off to see how this test progresses and if I can repeat it, but give it a try and let me know if it works as well for you as it did for me.
When Qualcomm first started making LTE chips, they were very inefficient. This might be the case with Samsung as well.
Talk about small sample size... 27 minutes? Just using different apps or playing a game for 5 minutes can explain this.
Japultra said:
I just did this and have noticed that my SoT has increased DRAMATICALLY. Take this with a grain of salt as it's the first time I've run this test, but previously, even at the DIMMEST setting, I noticed that I could only get about 27 minutes of SoT at 90% battery life. Just right now, in a bright room (my screen is set at the dimmest setting on auto, but it is NOT at the dimmest the screen can be), I just got 42 minutes of SoT at 90% battery. That is a 55% increase in battery life, not factoring in the additional battery it takes because the screen is also brighter.
Will leave LTE off to see how this test progresses and if I can repeat it, but give it a try and let me know if it works as well for you as it did for me.
When Qualcomm first started making LTE chips, they were very inefficient. This might be the case with Samsung as well.
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Thanks for this post. Any 4G toggle even rooted will do.
Sent from my SM-G9200
KarlDag said:
Talk about small sample size... 27 minutes? Just using different apps or playing a game for 5 minutes can explain this.
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Click to collapse
I don't think you read my post entirely. The variance is a 55% difference, which is huge. Before, I would get 27 minutes max at the screen's dimmest setting. Right now I just got 42 minutes at a much brighter setting. App usage is pretty much the same. It was mostly playing WordFeud, which isnt' a battery hungry app.
Japultra said:
I don't think you read my post entirely. The variance is a 55% difference, which is huge. Before, I would get 27 minutes max at the screen's dimmest setting. Right now I just got 42 minutes at a much brighter setting. App usage is pretty much the same. It was mostly playing WordFeud, which isnt' a battery hungry app.
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Click to collapse
I did. What I'm saying is this: this morning I read news for 10 minutes, and was at 97% battery afterwards. If I wake up and play asphalt 8 for 10 minutes tomorrow morning, I'll probably be around 94% afterwards. If my Wi-Fi was turned off this morning and is on tomorrow, does it mean Wi-Fi on has a 100% increase effect on battery usage?
KarlDag said:
I did. What I'm saying is this: this morning I read news for 10 minutes, and was at 97% battery afterwards. If I wake up and play asphalt 8 for 10 minutes tomorrow morning, I'll probably be around 94% afterwards. If my Wi-Fi was turned off this morning and is on tomorrow, does it mean Wi-Fi on has a 100% increase effect on battery usage?
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Click to collapse
I don't play graphic intensive games, so that's not a factor. The most battery draining thing I do on my phone is web surfing and I didn't do any of that in the first 10% today or on previous days I've checked SoT at 90%.
Japultra said:
I don't play graphic intensive games, so that's not a factor. The most battery draining thing I do on my phone is web surfing and I didn't do any of that in the first 10% today or on previous days I've checked SoT at 90%.
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Click to collapse
I think his point was more generic: 27 minutes of use is far too low to be of any significant value for a battery test.
A lot could happen under the hood without you even knowing it: google sync processes, updates, etc.
Do the same for a couple of day, and you'll get a point.
Protagoras said:
I think his point was more generic: 27 minutes of use is far too low to be of any significant value for a battery test.
A lot could happen under the hood without you even knowing it: google sync processes, updates, etc.
Do the same for a couple of day, and you'll get a point.
Click to expand...
Click to collapse
Of course I repeated this test several times - After about 4 or 5 times, I noticed the highest I could get was 27 minutes. Today, after turning off LTE, I was able to get 42 minutes with the screen at a higher brightness.
At the moment when on LTE I seems get a very weak signal, 1 bars most of time. With 3G I'm getting almost full signal 90% of the time. This in itself would play a massive part in battery drain.
I've not switched to 3G only yet, as I still get through a work day with loads of battery left.
spotty or low signal strength does affect battery usage. LTE since it is more localized in coverage than gsm/edge (2g,3g,3g+,4g etc) so if you're not in a heavy coverage area and you dont really need the speed boost of lte, switching to 4g/3g only will benefit you in battery savings.
This may change when 700Mhz is rolled out to more and more areas as it can cover a much larger area and in some cases may provide better and more stable signal strength than non-lte. Until then though, it's a pretty safe bet that disabling LTE will improve your battery life.
I have yet to get less than 24hours of battery life per charge. Not that that means anything to anyone else.
Updated stats in the images. The plateau is overnight when I turn on airplane mode. My SoT has never been this good before.

Poor battery life on brand new tab s5e

Hello, just today I bought a brand new galaxy tab s5e. It works, but I'm getting very poor battery life. Every 4 minutes it drops 1%, so that would amount to just over 6 hours of on screen time. People are getting over 12 hours of screen on time. I tried factory resetting, but that didn't help anything. This is with wifi on and 70% brightness. I have the wifi only variant.
I'm getting like 10 hrs screen on. Also have WiFi only. But my brightness is at 30% approximately, so yours sounds about right.
barth2 said:
I'm getting like 10 hrs screen on. Also have WiFi only. But my brightness is at 30% approximately, so yours sounds about right.
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Click to collapse
I see, I was worried and thinking to return it, it just seems like all the reviewers are getting quite a bit more battery life than me. Do you experience any wifi issues at all? It seems the connection drops and reconnects sometimes.
Acc3r said:
I see, I was worried and thinking to return it, it just seems like all the reviewers are getting quite a bit more battery life than me. Do you experience any wifi issues at all? It seems the connection drops and reconnects sometimes.
Click to expand...
Click to collapse
My wifi seems on par with other devices. My wifi network isn't the best. Just using the Verizon router.
Wifi speed is faster if Bluetooth is off or not connected.
I have the LTE variant of the SGTS5e and can get a weeks worth of use out of it. As I only turn it on when I need to use it.

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