Geekzone: technology news, blogs, forums
Guest
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.




16174 posts

Uber Geek
+1 received by user: 1863

Trusted

Topic # 111558 7-Nov-2012 12:29 Send private message

I noticed my wife's iphone always shows 3G for about 0.2467 seconds when i turn the screen on and then the wifi icon appears ... googling seems to suggest wifi goes off when sleeping and hence all push notifications must be via 3G?

I guess her data use has never been an issue but if this is true I am with Android for life!

I know you can turn off cellular data at home but I have better things to use my memory brain cells for ...

Filter this topic showing only the reply marked as answer Create new topic
19290 posts

Uber Geek
+1 received by user: 2647
Inactive user


  Reply # 713472 7-Nov-2012 12:33 Send private message

0.2467 seconds how did you get this figure?

1209 posts

Uber Geek
+1 received by user: 288


  Reply # 713474 7-Nov-2012 12:36 Send private message

Mine does this too..

Its a highly accurate guesstimation JohnR. Basically you see it for a fraction of a second before the wifi symbol takes its place.

The annoying thing is when the Mrs is trying to facetime call me. It only works over wifi, but when the screen is off, the phone logs off wifi, onto cellular, so she cant call me.

Edit: more info, I notice if I turn all cellular data off, then there is no symbol, then it quickly shows wifi when the screen is unlocked, ill try take a video of this later if necessary. I'm on Vodafone, not that it should matter, because it seems to be a phone firmware/wifi issue. Ive got the orcon genius lite router. iPhone 4 iOS 6.0

 

 



434 posts

Ultimate Geek
+1 received by user: 53


  Reply # 713478 7-Nov-2012 12:46 Send private message

Hi,

This does sound like a battery-saving feature that disables the wifi while the phone is asleep.

I might be wrong but I think my Android phone used to do this at some point.

There my be a setting to prevent this...

Guillaume

4169 posts

Uber Geek
+1 received by user: 1095


  Reply # 713479 7-Nov-2012 12:47 Send private message

AFAIK the Wifi shuts down with sleep to use less power.

There are two workarounds:

1) Disable cellular data so it keeps a data connection via Wifi

2) Plug the charger in

1209 posts

Uber Geek
+1 received by user: 288


  Reply # 713485 7-Nov-2012 13:04 Send private message

Disabling Cellular Data doesn't help, the phone still drops wifi when asleep.
It probably is a battery saving feature as suggested.

Its probably not an issue, except missing push notifications (unless its smart and logs back into wifi for 10 seconds every 5 minutes for example).

Missing facetime calls is my particular issue with this. However I think my facetime thing might be a different issue, because it doesnt seem to work with my mobile number, even when the phone is 'awake' & connected. It does however work when people facetime my apple id. This makes me think my issue is the SMS system apple uses to initialise a facetime calls over mobile number. (I suspect if the SMS thing was working, the phone would receive the initialisation txt while 'asleep' and quickly wake up the WIFI.)

Sorry if I'm hijacking your thread, it just seemed related. I definitely notice the same thing, Just saying it might not really be an issue.



16174 posts

Uber Geek
+1 received by user: 1863

Trusted

  Reply # 713558 7-Nov-2012 15:23 Send private message

the problem is ... apple is cheating me of 3G data when i'm supposed to be next to a wifi connection ... i am told with certain iOS disabling cellular data will keep wifi connected but try telling my wife (or anyone inc me) to do that every single time you leave and approach wifi!

1209 posts

Uber Geek
+1 received by user: 288


  Reply # 713591 7-Nov-2012 16:12 Send private message

I guess you should check your mobile data usage. If its only, say, 2MB a month of 3G data for this then it doesn't really matter and isn't a big deal.



16174 posts

Uber Geek
+1 received by user: 1863

Trusted

  Reply # 714082 8-Nov-2012 11:33 Send private message

yeah i have to admit data overuse has never been a problem ... but for the forseeable future ... wondering if certain apps, certain cloud push/pull, etc could cause data $$$ ...

perhaps it activates a packet via 3G and then switches to wifi and downloads? is that how it explains why i don't see data overuse (wife pushes every known communication app on the planet)

9 posts

Wannabe Geek


  Reply # 720975 21-Nov-2012 21:13 Send private message

So how does the iPhone sync with iTunes over wifi even when sleeping?
I suspect it is always connected, it just takes a moment to show the signal strength icon.

4169 posts

Uber Geek
+1 received by user: 1095


  Reply # 720980 21-Nov-2012 21:25 Send private message

Easy way to test: turn off cell data, put the phone to sleep, then check your WiFi AP to see if the phone is still connected.

Filter this topic showing only the reply marked as answer Create new topic



Twitter »

Follow us to receive Twitter updates when new discussions are posted in our forums:



Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:



Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:





News »

National AI group launching next month
Posted 25-May-2017 09:54


New Zealand Digital Future, according to tech companies
Posted 25-May-2017 09:51


New Microsoft Surface Pro delivers outstanding battery life, performance
Posted 25-May-2017 09:34


Garmin VIRB 360 brings immersive 360-degree 5.7K camera experience
Posted 25-May-2017 09:30


Telecommunications monitoring report: Are you being served?
Posted 24-May-2017 11:54


NetValue partners with CRM Provider SugarCRM
Posted 23-May-2017 20:04


Terabyte looms as Vocus users download 430GB a month
Posted 19-May-2017 14:51


2degrees tips into profit after seven lean years
Posted 19-May-2017 09:47


2degrees growth story continues
Posted 17-May-2017 15:25


Symantec Blocks 22 Million Attempted WannaCry Ransomware Attacks Globally
Posted 17-May-2017 12:41


HPE Unveils Computer Built for the Era of Big Data
Posted 17-May-2017 12:39


Samsung Galaxy S8 Plus review: Beautiful, feature-packed
Posted 16-May-2017 20:14


After ten years of mail pain Spark is done with Yahoo
Posted 15-May-2017 13:12


Warnings from security firms: do not click that link or risk your computer being infected
Posted 15-May-2017 10:11


Pushpay named NZ Hi-Tech Company of the Year 2017
Posted 15-May-2017 09:59



Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.



Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.