1. KS Uthayya's Avatar
    Hi,

    I want to know whether the Wifi connections are automatically preferred over mobile internet connections when available and connected. Basically, if I'm connected to a Wifi netwrok, will my phone use the Wifi for ALL resulting data usage?

    I ask because I've been getting charged by my mobile operator as well!
    01-08-2014 08:06 PM
  2. Gekko's Avatar
    yes if Wifi is connected it becomes primary. that's not to say that some data might not slip through the cellular connection.
    01-08-2014 08:17 PM
  3. gidgiddonihah's Avatar
    I don't think I've ever had my phone use the data cell radio while on a WiFi connection. It's designed to shunt all data through WiFi the moment it connects. But no technology is perfect and some apps may be designed to still use cell data. It remains connected to LTE/HSPA+/3G even when you are connected to WiFi though the chip is supposed to kick back and take a nap in low power mode to ensure it can instantly pop back to cell data the moment you disconnect from the WiFi network.

    Sent from my Nexus 5 using Tapatalk
    01-08-2014 08:26 PM
  4. patruns's Avatar
    When connected to wifi, Android completely shuts off the data connection. To test, connect to your home wifi and then pull the modem connection to the wifi router. Because the phone will still have a connection to the now non-working router, you will not be able to open a web page, check mail, etc.
    01-09-2014 09:22 AM
  5. gidgiddonihah's Avatar
    When connected to wifi, Android completely shuts off the data connection. To test, connect to your home wifi and then pull the modem connection to the wifi router. Because the phone will still have a connection to the now non-working router, you will not be able to open a web page, check mail, etc.
    My phones have always showed a constant mobile data connection even when connected to WiFi. I was told by someone at XDA that the phone runs the chip at the lowest power possible to save battery but still tries to stay connected so the change between WiFi and mobile is seamless. It does make more sense for Android to shut the data connection though...
    01-09-2014 09:26 AM
  6. patruns's Avatar
    Yep, I discovered this when a modem went south last year.......
    01-09-2014 09:41 AM
  7. KS Uthayya's Avatar
    Thanks guys.

    Helped. I think the data usage is essentially bare minimum.
    01-20-2014 10:04 PM

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