1. AC Question's Avatar
    I have turn off the mobile data in settings and the switch to mobile data when wifi is off is also disable then why the moment my wifi got disconnected mobile data turn on please give me solution for this it is costing me alot of money
    05-11-2015 02:32 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Which phone?
    05-12-2015 02:19 AM
  3. Sharbat Gul's Avatar
    im using samsung galaxy s4
    05-12-2015 06:33 AM
  4. B. Diddy's Avatar
    Does it persist after a reboot? How about a cache partition wipe? http://support.t-mobile.com/docs/DOC-5744
    05-12-2015 09:49 AM
  5. Javier P's Avatar
    Go to settings - WiFi and check if you have something called Smart network switch. If so, make sure it's off. Some people reported similar problems with this feature.

    Also check for similar options in your carrier settings.
    B. Diddy and tube517 like this.
    05-12-2015 10:00 AM
  6. Sharbat Gul's Avatar
    Smart switch is off every where even it turn on plz help !!!
    05-13-2015 05:34 AM
  7. Sharbat Gul's Avatar
    No it just started i didnt reboot the device recently i guess some app needs internet so it turn it on i dont know i tried to search it on internet but nobody has this problem 5)3 cache partition can help ??? Does it remove my data ??
    05-13-2015 05:36 AM
  8. belodion's Avatar
    The Cache Partition wipe that B. Diddy referred to above will not cause the loss of any of your personal data.

    Posted via the Android Central App
    05-13-2015 07:05 AM
  9. Javier P's Avatar
    Some Samsung phones have a feature called connection optimizer / manager. Check if you have something similar in settings - more networks - mobile networks. If so, switch it off.

    Also, you can check if there's a conflict with an app that you downloaded. Boot your phone into safe mode and see if the problem persists.
    05-13-2015 07:49 AM

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