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If your device is running at least Android 4.0 (or higher), you can tell the system to forbid an app the use of "background data" (i,e, upload/download stuff which you didn't explicitely trigger manually). For this, go to Settings → Data Usage, and you will see a screen like the first one below: Data Usage / Restrict background data (click images for ...


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There are a few potential things that can cause this. You are too close to the router. Seriously, this can happen on Samsung devices. I've seen it on the S4 and Note 3. It's very unlikely but worth mentioning on a list. The 2.4Ghz and 5Ghz are interfering with something on the device. Try turning 5Ghz off altogether. You could add the phone's ip address ...


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I've just sorted this problem. This device had been working perfectly on our home wifi connection until 2 days ago so I had no reason to suspect our wifi router. However I thought i'd check and somehow the device's MAC address had 'disappeared' from the MAC address filtering allowed list. How does that happen? Anyway, I reentered the MAC address into the ...


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There's a lot of mixing up because the "aagh tinfoil hats" brigade are very mixed up themselves. There's no evidence that any radio emissions from mobile phones have any health effects whatsoever. You get a larger radio dose from your local TV transmitter than the phone in your pocket. To answer your specific questions: yes, you're safe from RF if there's ...



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