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0

Sounds like a bug in iOS to me. The best thing that you can do is wait until iOS 9 launches in a couple of weeks. iOS 9 should address many bugs and improve the performance of your iPhone, (even a 4S) so I highly recommend updating when iOS 9 gets a public release.


-1

There's a bug which occurs sometimes where the CellularData.db is corrupted/malformed and iOS can't write the preferences to it. You can fix this by deleting the file, located in /var/wireless/Library/Databases/CellularUsage.db. Source: Fix cellular data app preferences not being saved on iOS 7


1

You need to turn off WiFi before you leave the coverage area (or more precisely - before you reach the point where WiFi is still "connected" but not viable.) In iOS 9 there will be a system setting to allow cellular data to take over sooner, but on iOS 8 and less, your device will throw errors when WiFi fails you and before the radio disconnects from WiFi. ...


1

You can measure this yourself by going to settings app and using the reset option to then track data and watch how much you use over a set period and then again repeating the steps with Wi-Fi in the other state. In general, you should leave Wi-Fi on so that it connects when it can if you are concerned with mobile data usage. I can't see a situation where ...


0

On stock ( or as some people call it vanilla ) iOS it is not quite possible. However, if your device is jailbroken, then you can use some tweaks to make it possible. Firewall iP7 allows you to monitor all applications & decide whether to allow or deny any outgoing connection.


1

Tautology, right? If online game does not use data (network connection), it is offline game, isn't it?


4

Yes of course it uses data. How else do you think it communicates with the server and keeps things synchronized? I think the real question is how much data does it use.


7

As has been said, go to Settings > Cellular to find it out for yourself, but let me also actually answer your question as the other two answers barely touch on that: All online games obviously use mobile data, otherwise they couldn't be 'online' If the game includes ads it will use a fairly significant amount of data. (Back when I only had a couple hundred ...


7

The newer iOS versions let you track the cellular data used by each app. Open Settings and then go to Cellular and then swipe up: You can reset the counter if you need to track one day's usage, and you can also disable cellular data for the game in question, if you just want to cut it off when you aren't on Wi-Fi. Generally, most games are quite miserly ...


23

Go to Settings > Cellular and scroll down. There should be a breakdown of Cellular Data used by app. If you didn't know this option was there, then you likely will not have reset it, so it will represent all of the cellular data you have used from when you first added your id to the device. That being said it should give you an idea of what apps are the ...


2

The Wi-Fi antenna in your phone has a typical range of few meters. It finds a Wi-Fi router within that range. So the power of the signal should be enough that it would be able to survive for few meters. On the other hand, for 3G data transfer, you need to send the signals to the receiving antenna which could be a up to a few kilometers from where you are. ...


0

Disable Background App Refresh. Apple now allows apps to automatically update and download content in the background. This feature can harm battery life and cause apps to use cellular data, even while you’re not using them. Disable background app refresh and an app will only use data when you open it, not in the background. To access these options, open the ...


-1

Check this troubleshooting article ; https://support.apple.com/en-in/HT201415


0

Netflix and YouTube is not possible. I have not found this info anywhere but Apple and/or Netflix apparently do not allow AirPlay without Wifi. Using the latest Apple TV A1469 "EMC 2633" you are able to AirPlay without wifi from iOS 7 or later but if you try to "mirror" Netflix or YouTube you will receive error messages and the videos will not play. Hulu ...


0

The issue turned out to be going over the data limit on my plan.


2

Call your cellular service provider, they should be able to help you.



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