For questions about cellular or "mobile" data. "Cellular data" refers to data transferred via your cellular connection (2G/3G/4G) as opposed to WiFi. It may also refer to the capability of using a cellular data connection.

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2answers
73 views

Is there a way to limit cellular data down to 3G only from 4G/LTE in Win 10 Mobile?

I have a Lumia 930 running the latest slow branch tech preview and I recently upgraded my data plan from 3G to 4G/LTE. But now the phone is consuming battery like crazy even when I'm not really using ...
6
votes
0answers
98 views

Incessant warnings about nearing data limit

Since a few days ago my Lumia 950 has been bugging me with messages saying I'm near my data limit: Tapping on the notification (or going into network settings manually) shows that's not the case, ...
5
votes
1answer
59 views

what does this icon means in windows phone while wifi is on.

I just noticed that whenever my WiFi is on this icon appears in between. I searched about this icon and I got information about it which says that this icon appears when "WiFi connection is being used ...
7
votes
1answer
149 views

Mobile Data Usage gets enabled automatically

Lumia 535 Dual-SIM, Windows Phone 8.1, OS Version 8.10.14234.375. I have noticed that infrequently my mobile data gets enabled automatically even when I had turned it off earlier. In Store and ...
2
votes
0answers
27 views

Topped up but no data?

I topped up my windows Lumia 535 phone and got a text saying I got a big bundle but my data isn't coming through. I've waited nearly 24 hours,tried turning it off and on and just left it alone. Does ...
2
votes
0answers
35 views

My Lumia 435 can share cellular Internet but cannot use it for itself!

My Lumia 435 Dual SIM can share its cellular over hotspot, and I can use the shared Internet on my other devices smoothly and easily and with high speed, however it cannot use it for itself. Tested ...
2
votes
0answers
52 views

Battery discharges much slower in other countries

I have a Lumia 820 for 2.5 years now. The battery usually lasts for only one day even without using it. I recognized that the battery lasts significantly longer (three up to five days) when I'm in a ...
1
vote
2answers
1k views

Shortcut to enable/disable data connection from home screen?

In WP7, I could pin my cellular connection setting as a tile, which was great as I often turn data on/off. In WP8.1, I have to go settings->scroll to Mobile+SIM->tap->turn the slider on/off. The ...
1
vote
1answer
897 views

Is there “3g only” mode in cellular settings in Windows Phone 10 Technical Preview

I was wondering if there is "3G only" mode in Windows Phone 10 Technical Preview. I was thinking of trying it.
3
votes
1answer
658 views

Mobile data toggle missing from Action Center in Windows 10 Technical Preview

I have updated my phone with the Windows 10 Technical Preview. But I noticed that the mobile data toggle that was added to Action Center in 8.1 is now gone. Has anyone found a way to get it back? ...
2
votes
1answer
1k views

Wifi and notification issues

I am owner of a Lumia 820 for two years now. I like Windows Phone, but since the 8.1 update I am experiencing issues with the wifi connection and my notifications. The main thing is that I am not ...
4
votes
2answers
274 views

When an app has permission to access photos library and data services - can it upload pics without my knowledge?

There are several file managers on the store that have permissions to access the photo library and use data services. I don't trust all that software so I would like to know if it's possible that a ...
2
votes
2answers
460 views

Shortcut to connection speed setting

In previous Windows Phone versions the highest connection speed option (2G/3G/4G) was on the same screen as "Data connection on/off" option. Now it isn't any more and I would like to know if it is ...
2
votes
1answer
784 views

New Nokia Phones in bad reception areas

So me and few friends at work use to have a Nokia Lumia 900 using at&t. The area where I work didn't have the best coverage, maybe 2 bars of LTE outside and when on the first floor of the ...
1
vote
1answer
635 views

Windows Phone 8.1 DP cellular data

I'm using the Nokia Lumia 920 with Windows Phone 8.1 Developer Preview. I face some problem today is I've already turn on the cellular data, it does shows me that it is already turn on, but my top ...
1
vote
0answers
42 views

How to update from WP 8.0 to 8.1 on mobile data? [duplicate]

I need to update my Lumia 520 from Windows Phone 8.0 to 8.1, but it is not allowing me to download it over the mobile data and I don't have any wifi access. Is there any way to manually override this ...
7
votes
1answer
2k views

What is “Data to restore” and why is it using mobile/Wi-Fi data?

I was looking at data usage in the Data Sense app on my Lumia 920 (running WP 8.1 dev preview), and noticed that one of the entries in the list was called "Data to restore", with non-trivial amounts ...
3
votes
1answer
235 views

WiFi vs Mobile Data: Battery usage

Case 1: I use the mobile WiFi for Internet usage (assuming normal usage - majority of the time, phone being idle with intermittent Internet usage). Case 2: I keep WiFi off, and use the mobile's data ...
4
votes
1answer
958 views

Cannot use mobile internet when in range of wifi

I have a problem with using mobile internet on my Nokia Lumia 925. When my wifi is on, everything works as it should. When I turn off wifi, my phone should switch to mobile internet (this is turned on)...
1
vote
2answers
3k views

Is there any way to monitor data usage on Windows Phone 7.x?

If my telco is to be believed, I've been burning through ~150Mb/day since the start of the month with my phone being in my pocket / sat on the side at home (within hearing distance of my WiFi). My ...
1
vote
2answers
4k views

Lumia 810 not showing option to change internet APN

I recently purchased an unlocked Lumia 810 from eBay. It is unlocked from T-Mobile and I am using it with Wind Mobile in Canada. Everything is working fine until I discovered that I could not get ...
2
votes
1answer
667 views

My HTC Trophy has no internet connection unless connected to Wi-Fi

My HTC Trophy is only able to connect to the internet if I am connected to Wi-Fi. Otherwise, I get "You might have lost your cellular data connection". This just started happening a few days ago and ...
5
votes
1answer
845 views

Does toggling the “Highest connection speed” setting turn off the LTE radio?

I was wondering if I toggling Highest connection speed in the cellular settings menu turns off a separate piece of hardware (the LTE radio). Are the LTE and 2G/3G radios the same components, or ...
0
votes
1answer
75 views

How can I force my phone to only use the KASUMI encryption?

Some of the most common forms of cellular GSM signals have been hacked, and I would like to ensure that my signals only use the more secure KASUMI encryption, even if it means that I don't have a ...
5
votes
0answers
1k views

Which uses more battery power, WiFi or 4G? [closed]

I hope this is a general enough question that doesn't vary too much by phone model, but suppose at school or work you have a WiFi connection, which would use less battery power over the course of a ...
4
votes
1answer
784 views

Why does it take so long for the phone fall back to WIFI when I have weak GPRS/3G?

When I'm at home I have a really bad data signal. I barely get standard GPRS signal... No EDGE or HSPDA. But I have a WIFI router 5 meters from where I sit with my phone and laptop. My laptop have ...
5
votes
1answer
103 views

Is the network traffic from Hubs and Tiles encrypted?

When I use features that use data connection like "What's New" in People Hub or seeing pictures from Facebook or SkyDrive on the Picture Hub, is the network traffic encrypted? I am worried because ...
8
votes
2answers
13k views

How can I tell whether I'm getting data via Wi-Fi or phone network?

There are occasions when my Wi-Fi is fully lit but data traffic is slow and patchy (like it's coming over the phone network). If I lose phone signal, internet connectivity fails completely. Meanwhile, ...
6
votes
1answer
486 views

Does Windows Phone Do Any On-Device Encryption?

One of the enterprise-y features of Blackberry that some organizations I work with are drawn to is data encryption. The theory being that the all user data is encrypted by the operating system, and ...
20
votes
3answers
6k views

Does Windows Phone prioritize between using a data plan and wi-fi connection?

When downloading apps, I prefer using a WiFi connection over a mobile data connection. So I switch off the mobile data connection and switch on the WiFi for the duration of the download and revert ...