[Q] Question on Wifi + Data usage - Nokia Lumia 900

So I've been playing around with the Lumia 900 for a while now (even though its going to be obsoleted soon ) and I have a question.
If I have both Wifi and Data turned on, which does the phone prefer? And does this depend on the app I use or is it system-wide?
I don't have unlimited data (yet) and so Wifi is what I want to use when at home. Do you guys have any insight into this??

Phone will always use wifi first is it is available. However, WP7 is designed to turn off wifi when your phone sleeps (e.g. turns off screen) unless the phone is plugged in for charge. So, if you are not using the phone, make sure it is plugged in. Otherwise, the phone will use cell data connection.

Related

HTC HD7 wifi going to sleep during stand-by

Does anyone know where to set the wifi "not to sleep" during stand-by. I try to find the setting but cannot find it.
Currently, it seems like HD7 uses data connection (GPRS) to sync e-mail , calendar, etc. instead of wifi while phone is in stand-by mode. (I turn off data connection and my inboxes are not syncronized during stand-by even I turn on wifi)
It means i still have to pay for the data connection usage even i use wifi at home.
Wi-fi will stay on during standby if you plug your phone into the mains. This is to stop your phone running itself out of battery power, which it would do quite quickly if Wifi stayed running all the time.
So your answer is, plug the phone into the charger when at home.
Thank you very much

WP7 WIFI sleep time

HI Guys,
After having moved from my HTC legend to an HTC trophy 7 and getting used to all the interesting little fiddly bits of WP7 I was finally happy (Im mainly talking about the windows live mail contact sync issue).
All contacts finally fixed after a some time sorting them all and adding the phone numbers etc.
Anyway long story short the does not seem to be a way to make the WIFI stay on when the phone sleeps meaning that my preciously short 3g data will be used (Vodafone skimping and giving us only 500mb).
Has any one come up with a way to force the WIFI to stay on ala android sleep policy?
Cheers guys!
Your 3g would only be used if you are constantly downloading emails. Everything is push on WP7 so there wont be apps pulling data other than email. I wouldn't worry about it. WP7 is not android.
If I disable 3G while sleeping on WiFi is there ever a chance WiFi won't wake up for the push/pull of email or am I worrying about nothing?
Keep it connected to a charger or your PC and the wifi will stay ON.
Thanks for the replies guys,
Hopefully data usage will be better than android but I would sill like to be able to turn wifi on all the time is I needed to. In the mean time all email set to as arrives so should cut down on usage a bit.
Lets see what this next update brings
cheers
roccotune said:
I would sill like to be able to turn wifi on all the time is I needed to.
Click to expand...
Click to collapse
As the other chap said, plug your phone into power and wifi will not turn off. I nall honesty, wanting the wifi to remain on while the phone is on battery power is a bit daft because it wouldn't last longer than a couple of hours.
Thanks again guys,
Granted leaving the wifi on all the time may drain the batt faster but my HTC legend managed like this with no issues as Android turns off 3g when WIFI is on saving some power. I think we should at least be able to change the WIFI sleep profile like android - 5m, 15m, never etc
roccotune said:
Thanks again guys,
Granted leaving the wifi on all the time may drain the batt faster but my HTC legend managed like this with no issues as Android turns off 3g when WIFI is on saving some power. I think we should at least be able to change the WIFI sleep profile like android - 5m, 15m, never etc
Click to expand...
Click to collapse
I assume you mean that Android turns off 3g when Wifi is *CONNECTED*. I leave my Wifi switched on all the time and what happens is when the phone switches off, it disconnects, but the wifi setting remains *ON*.
Leaving it on is good because when I get home it connects to my Wifi network automatically but while out and about the phone doesn't keep trying to connect, which would drain the battery a lot.
So yeah, make the distinction between Wifi being "ON" and "CONNECTED".

Don't let your phone sleep while downloading a big APP via WIFI

This issue has happend 2 times. It used my 3G data over 90MB for APP downloading!
As you know, the phone won't allow you to download a big APP without wifi or pc connection by design.
Yesterday I downloaded the trial version of Need for Speed(about 127MB) from marketplace and turned on WIFI before that. I just checked the detailed list of my 3G usage yesterday. In that time it downloaded 90MB+ from 3G network in 20 minutes.
I guess the phone turned off the wifi in sleep mode and continue downloading the APP through 3G.
It should be a bug!
Yes, it is a known issue that WP7 turns off wi-fi when phone goes into sleep. To work around this issue, you need to keep the phone plugged in.
Modern wi-fi chips in phones drain less battery juice when you leave it on all the time than constantly off-on-off. Also, it does not necessary use more battery downloading via wi-fi than 3G. I guess MS didn't get that notice when implementing WP7
We can only hope this is addressed in upcoming NoDo update.
Pretty sure this feature isn't designed like this to save battery while connected to a wifi network, I'm sure it's implemented with this design to save battery while you AREN'T in range of one of your networks, rather than having the wireless chip constantly poll for networks...
As someone else said, just plug your phone into the power outlet and wifi will always stay on.

Data drop after changing data source

After having my Galaxy Nexus for a few weeks I'd like to share my experiences with 'possible' data connectivity issues.
Firstly,
Upon first activating my phone at an official Verizon store I noticed that I lost data and voice services for almost 20 minutes after the phone was first activated. Toggling of 3G/4G, Airplane mode, and even rebooting (battery pull) would not fix the problem... It eventually just started working and has been fairly reliable ever since.
On the second day of owning the phone I unlocked / rooted... Still using the stock rom, antenna, and kernel though.
Secondly,
I've started to notice that every time I switch data sources.... For instance
*Turning off Wifi when connected to an AP
*Turning off 4G services
I'll completely lose data connectivity for a period of seconds; no longer than a minute (all gray reception bars). However, I can still make calls and send texts. My question is, is this behavior normal for the device? I've never owned a 4G device before so I'm ignorant to the matter. I'm simply inquiring as if this is a sign of a faulty antenna VZW is going to owe me a brand new device (not some refurbished crap either...). If this is typical, then I suppose it's just the nature of the beast. Either way, I've love to hear from others regarding their experiences.... Thanks!
Regards,
-Doug
When I had the thunderbolt data would drop in and out when switching from 3/4G and from wifi.
when you are switching from wifi to 4g/3g, it has to change your IP address, as its a different network. 4g to 3g viceversa it has to switch what frequency it is talking on, and reestablish communication with your carrier. switching data source will always drop data during the switch.
some later software upgrades have, and will reduce the time between switches, but there will always be some form of drop

Lumia 900 doesn't use wi-fi even though its active?

So,
I was downloading maps for Nokia Drive (entire US) and I was sitting on fully functional WI-FI. I was assuming it was downloading the maps over wi-fi because wi-fi was fully active on my device so i put it on the bed and started doing my computer business. But after a while I started to receive emails&sms from AT&T saying I'm almost over my data limit. I killed the download process and made sure it was on wi-fi. Started it again, and it was using my data to download again.
So, why the hell is it using my data connection to download maps? I didn't turn my data off, but isn't Nokia Drive supposed to download maps ONLY when on Wi-Fi?
That's odd. My L900 Wi-Fi always takes precedence. Only used 500MB on my Unlimited plan last month with Wi-Fi on most of the time.
Sent from my Lumia 900 using Board Express Pro
Does anybody know if there is an app that can check if I'm using wi-fi as my phone tells me I am?
2 Things to think about here...
1) I've noticed that my Lumia 900 still sometimes downloads off the cell net even if Wi-Fi is active and working. I think this is a bug.
2) If you phone goes in to standby mode, Wi-Fi will turn off, and it'll start downloading over cell network. I've had this happen with downloading games off the marketplace that start over wifi, but then stop, and resume over the cell network when the screen/phone goes in to standby mode.
Contacted Nokia, they said that if wifi is unstable (meaning disconnects even once for a minute), it will automatically switch to data to download maps. Wish I knew that before.. 3GB gone in an hour.
Future downloaders, take note. If you want to download maps without data, make sure you switch your data off before downloading.
Bandwidth will tell you while running a speedtest if you are on WiFi, 4G, LTE, etc. But you can only sideload this app now as it was removed from Marketplace. Not sure if the other speedtest apps also provide that info.
I have noticed at least one app, Fox News, that only appears to like a data connection. So if I turn data off for a couple hours, but leave WiFi on, and even if I am almost constantly using the phone, the Background agent will be disabled within a hour or two. I suspect other apps may have some coding that could cause this kind of problem.
Sent from my Lumia 900 using Board Express Pro
erzhik said:
Contacted Nokia, they said that if wifi is unstable (meaning disconnects even once for a minute), it will automatically switch to data to download maps. Wish I knew that before.. 3GB gone in an hour.
Future downloaders, take note. If you want to download maps without data, make sure you switch your data off before downloading.
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Click to collapse
I just got one of these for my wife. Being an Android guy, I am lost at how some things work on this phone. I see here it's mentioned to turn data off.... How?
It's in Settings --> Cellular.
tai4de2 said:
It's in Settings --> Cellular.
Click to expand...
Click to collapse
Yup just saw that in the manual duh
WP7 by design will turn off wi-fi whenever phone goes into sleep (you can easily verify this by wake up your phone and check the wi-fi icon on status bar. It will start beaming up because wi-fi is connecting). However, you can change this behavior by keep the phone plugged into the charger.
Because of this, anytime you want to do any kind of big download, swipe down your status bar and verify your wi-fi icon is active and steady. You don't need an app to tell that.
Remember, just because you have wi-fi turned on doesn't mean your phone is using it all the time.

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