I have my Tilt set up to charge when on USB. However, when I tether and download a lot of data, the phone seems to be using its battery rather than the power provided through the cable. I am connecting through a powered USB hub so there should be enough current.
When the phone is fully charged the green led remains lit but when I disconnect the phone the battery level drops 20-60% within 20 minutes or so. Also, when I leave the computer tethering through a phone for about 12 hours, it will eventually reset because the battery reaches a critical level.
I tried using a Y-USB cable (with 2 USB plugs for extra power) but there was no difference. So, I hooked up the phone through AC adapter and tethered through bluetooth. Again, the problem remains.
This seem to appear when downloading or uploading data over longer periods of time on 3G. When using HSPA it's even worse and often the green led starts blinking (as if there was no power from USB even for a standby mode).
The effect is not as noticeable when doing light browsing, especially on Edge.
Has anyone else experienced a similar problem?
Well, you basically answered the question. It should charge, while connected, but HSDPA burns battery at a rate faster than it can charge.
BUT, something doesn't sound right with your set up. It shouldn't drain THAT fast, even on HSDPA, esp if it's idle. While idle on 3G, it'll still use some battery, but it shouldn't be enough to burn your battery out.
I can think one of 2 things is happening. Either:
(1) yours isn't really charging while connected and tethering. I use Internet Sharing to tether. I assume you are also. Ther is a way to tether not using Internet Connection Sharing where it does NOT charge. Maybe that's how yours is set up? Or
(2) your "idle" connection isn't really idle. Some process is still actively querying and using the net connection.
Bottomline: on Edge, mine will net charge, not net lose. On 3G, mine will net charge, but very slowly. On HSDPA, mine will consume battery, but at a rate much slower than if I was just browsing on my Kaiser directly.
jomo25 said:
something doesn't sound right with your set up. It shouldn't drain THAT fast, even on HSDPA, esp if it's idle. While idle on 3G, it'll still use some battery, but it shouldn't be enough to burn your battery out.
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Thank you for your comments. I am using "Internet Sharing" and you are right - my connection is not idle. I do FTP download or upload at the rate of 20kb/s over a few hours.
While I thought the battery drain is understandable with the USB setup (not enough power) I am surprised to see the same problem when using an AC adapter (tethering via bluetooth). The output in my AC charger gives 5V / 1 A.
Is there a way to provide more power to the phone so I don't end up with drained battery after a longer tethering session?
Well, the only thing I can think of is to throttle your connection to no more than UMTS speed. I.e. disable HSDPA, but not all 3G. Or of course throttle all the way back to Edge. But of course, this sacrifices your connection speed. Using only UMTS (normal 3G) is sufficient for most of my purposes.
You can diable HSDPA by "Settings | Connections | HSDPA" ANd uncheck it.
You can disable 3G altogether by switching your band to Edge only or using one of the modified Comm Mgr apps that have a 3G toggle.
I don't know of any way to "up the power" to the phone.
If you require such an intensive data connection wouldn't it be better to invest in a PCMCIA HSDPA card?
You are pushing the phone way beyond recommended limits and the heat alone will probably fry the Tx or battery or some other circuit.
Just a thought.
Have you thought about reducing the power consumption of the other elements of your phone?
Do you for example turn down the screen brightness to minimum, and turn of bluetooth? Those two alone (especially if bluetooth is discoverable) are massive power drains all by themselves.
Surur
So far, throttling the speed seems to be the only working solution. I suspect that a PCMCIA HSPA card would require a different data plan with AT&T.
As for turning off features - yes, I use an app that turns off the screen and recently I started turning off bluetooth as well (although it has never been set to be discoverable).
all I can say is wow that's some hardcore usage! though I am a bit surprised that it drains battery so fast, I guess its cause of the power technology used, the phone can't use the mains directly as it can only pull power from the battery which can only be charged so fast due yo its nature, but weird !
It might be that transferring data at the same time as charging prevents it from charging as efficiently since it's using the same port.
Greg220 said:
So far, throttling the speed seems to be the only working solution. I suspect that a PCMCIA HSPA card would require a different data plan with AT&T.
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Just an FYI - if you use that much data xfer, dont be surprised if AT&T force-switches you to a more "appropriate" plan. There have been documented cases where AT&T will audit data usage and if you are on a plan that is "unlimited" but only for data usage from the phone, they will change you over to the data plan that is essentially the equivalent of getting the data card. The user agreement of some of the PDA data plans does say there are actually limits to the "unlimited" data. Not sure if you are on AT&T or which plan you have, but thought I'd let you know in case.
jomo25 said:
Just an FYI - if you use that much data xfer, dont be surprised if AT&T force-switches you to a more "appropriate" plan
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That's a valid point and it's a calculated risk If this happens, I'll just cancel my data plan and go with some other solution. Fortunately, I'm not under a contract with AT&T.
jomo25 said:
Just an FYI - if you use that much data xfer, dont be surprised if AT&T force-switches you to a more "appropriate" plan. There have been documented cases where AT&T will audit data usage and if you are on a plan that is "unlimited" but only for data usage from the phone, they will change you over to the data plan that is essentially the equivalent of getting the data card. The user agreement of some of the PDA data plans does say there are actually limits to the "unlimited" data. Not sure if you are on AT&T or which plan you have, but thought I'd let you know in case.
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I've heard rumors of such "documented cases" but do you actually know anyone this has happened to? Has it eer happened to anyone on this board?
I find this happends on my phone too.
When it does i just try to make sure all other features are off, like bluetooth and wifi, and turning screen brightness off, and of course pressing the power button so that the screen off altogether.
You can get 2800mAh batteries from ebay for about a tenner which I think I'll get, that way if I am loosing charge it doesnt matter so much as I will still have loads left.
seb
Farsquidge said:
If you require such an intensive data connection wouldn't it be better to invest in a PCMCIA HSDPA card?
You are pushing the phone way beyond recommended limits and the heat alone will probably fry the Tx or battery or some other circuit.
Just a thought.
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I tether my phone 7 hours a day during the week and it doesn't get hot enough to hurt anything. Please don't spread misinformation like this as it's simply not true.
If it does the same thing with an AC charger and BT connection, I would suggest that maybe your phone is defective. Mine will charge while tethered and continues charging (up) on HSPDA or any other connection type even if I'm talking on my BT headset at the same time.
It's a pretty well known fact that charging via USB cable connected to a USB device is slower than charging via the wall charger. So why not follow the instructions to setup tethering via Wi-Fi as specified in this thread?
With this, you can tether as many computers as you want all at the same time and still be charging.
Hope this helps...
Same behavior observed here with both Hermes and Kaiser
5V 1A power supply and Kaiser doing tethered 3G data via BT will discharge the battery. I see battery discharge when docked to a 2A 5V supply and talking BT on 3G while DirectPush runs.
IMO, HTC caps the total power consumption and sacrifices battery charging when the total exceeds ~1A
Richard
weather it be wifi or wired tether, it loads websites extremely slow, despite the fact of a good test speed on my phone, any idea of why this is happening?
jad011 said:
weather it be wifi or wired tether, it loads websites extremely slow, despite the fact of a good test speed on my phone, any idea of why this is happening?
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Wifi thether or whichever cant procees your IC's full speed. The G1 is limited by the data chip inside, so internet speeds wil be slower then your desktop/laptop.
Same for me. I've done a lot of testing on this. Any sort of tethering, for me, will not yield xfer speeds in excess of about 700k. That's over USB or BT. My phone itself is capable of around 3000k on Wifi (using the Speedtest apk), but much slower through the browser. Max speed tethering over Wifi won't be known till T-Mo starts rolling out HSDPA. But based on the 3000k link over the phone's Wifi, I'm hopeful that a HSDPA-to-Wifi speeds could be in excess of 700k.
Hi Guys,
So i thought of a couple questions today, after my first proper days use of my N1 (skinned it with BSE so I finally really used it)
If I have a PC, and a Tomato WRTGL router.. and, the PC doesn't have a Wifi card.
Can I tether my Tomato wifi router to my Nexus's ssid?
I mean, I know a wifi USB stick is 12dollars, but I'd like to avoid that.. and I know my ISPs signal cuts out from time to time (and don't want to be using my wifi netbook ...thats worth less than my n1 ..as I've come to realize post-purchase ..to get on the internet).
I figured, since you guys know about Linux and stuff, and possibly Tomato router firmware, it might be a worthy question to pose.
My second question is:
Is there a coles notes version of Battery calibration? I mean, do i just drain it and delete the Davlik cache and recharge?
I tried the HAVS kernel, and while it might be good and all - it does slow down my yuppie wants for live wallpaper and concomitant side scrolling home screen speeds.
After a full days use of GPS and battery reality, I would either opt for a well advised battery re-calibrations scheme or a recommendation just to use a car-dock, OR ..just get a second battery while asking HTC nicely?
Thanks in advance for your help.
Let me understand something. What is that you want to accomplish?
You want to use Nexus as WiFi adapter on your PC? Yes, if you connect USB to the PC, you can. Nexus tethers whatever connection it has, if it has internet from WiFi - it can tether that through USB.
You want to feed the router with Nexus WiFi? You can't, unless you reconfigure the router to be a WiFi repeater.
Cool Jack_R1 thanks for that insight!
I had no clue you could tether via USB. How do I do that?
Same place you activate the wifi hotspot.
I attempted this a while back when my internet went out but gave up cause i didnt want to break the wifi router to router link i had with my printer upstairs. im using dd-wrt firmware on a wrt54g router. its theoretically possible and if i had a g2 with tmo 4g speeds I would probably get rid of my att dsl and just use the phone for large transfers lol
Rusty! said:
Same place you activate the wifi hotspot.
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Sweet. TY!
For the battery cal, there is a chip inside the battery. We just found out it has a built in learn cycle to re calibrate it. In addition we are experimenting by raising the voltage and current set points to maximize the capacity. The new changes in pershoots kernel let's you access the batt internal chip to pull all your values.
Every thing is in this thread:
http://forum.xda-developers.com/showthread.php?t=702167&goto=newpost
So I have a quick question about wired tether. For those of you that use it, does yours keep a steady download rate? Mine fluctuates anywhere from 15kb up to 1.0mb but doesnt stay at one speed consistently. I dont have cable so I watch alot of hulu videos but the fluctuation causes it to stop the video randomly. I have full bars of signal so I dont see why it cant keep a constant speed. Any advice would be appreciated.
Edit: Now im noticing that it completely drops the speed to zero and then back up. This is happening at the same time to the upload speed.
kbizzle said:
So I have a quick question about wired tether. For those of you that use it, does yours keep a steady download rate? Mine fluctuates anywhere from 15kb up to 1.0mb but doesnt stay at one speed consistently. I dont have cable so I watch alot of hulu videos but the fluctuation causes it to stop the video randomly. I have full bars of signal so I dont see why it cant keep a constant speed. Any advice would be appreciated.
Edit: Now im noticing that it completely drops the speed to zero and then back up. This is happening at the same time to the upload speed.
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Does your PC have a wireless card? If so, get Wireless Tether, I use it and it works great for me. I haven't tried streaming any movies while using it, but I would imagine it would be good. You could also try PdaNet. I think the latter is slower, but I just use my regular internet when I'm at home. Hope this helps
Twolazyg said:
Does your PC have a wireless card? If so, get Wireless Tether, I use it and it works great for me. I haven't tried streaming any movies while using it, but I would imagine it would be good. You could also try PdaNet. I think the latter is slower, but I just use my regular internet when I'm at home. Hope this helps
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Thanks for the response. Unfortunately, I have found that wireless tether seems to run slower than the wired tether. I think it may be rom related cause it works better on some roms then others.
kbizzle said:
So I have a quick question about wired tether. For those of you that use it, does yours keep a steady download rate? Mine fluctuates anywhere from 15kb up to 1.0mb but doesnt stay at one speed consistently. I dont have cable so I watch alot of hulu videos but the fluctuation causes it to stop the video randomly. I have full bars of signal so I dont see why it cant keep a constant speed. Any advice would be appreciated.
Edit: Now im noticing that it completely drops the speed to zero and then back up. This is happening at the same time to the upload speed.
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Click to collapse
I use wired tether everyday, for both it's speed and the fact it doesnt turn my phone into a small battery powered heater like wifi tether does. I have noticed fluctuations in download rates, and it seems to occur more often with streaming than it does with a straight download. It is somewhat normal for a phone's signal to fluctuate some even if you have full signal bars. When I watch youtube or hulu I simply turn the quality down. It caches faster this way and thus is not as affected by the drops in speed.
Hey folks, I can probably guess at why this happens, but I was hoping someone would have a definitive answer and a possible solution.
I work in remote parts of Australia where the only internet is Telstra 3G, so I use my phone as a modem to surf the net on my lap-top. Obviously when fully charged I don't need to have the phone plugged into the wall or USB port, so I get normal speeds. But as soon as I plug her in, the speeds drop immediately. I've done multiple speedtest.net tests so I know it's happening. It even happened when I had an iPhone4 (yeah, I know...) so it seems to be something to do with charging. Is it an elctromagnetic thing that affects the aerial reception? Is there a way to reduce this interference? Kinda sucks when you want to download and charge at the same time. Or play WoW and not get too much lag...
Thanks in advance.
Never tried Wi-Fi tether but with usb it never went slow for me
Sent from my Galaxy Nexus using Tapatalk 2
I would say that your charger is introducing a source of interference. About WoW though, you shouldn't really be peaking your bandwidth in games, it's more about latency there, so that shouldn't be affected by this unless you're dropping packets when charging (could be).