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3G Not Working

Discussion in 'Android Devices' started by ooberandy, Sep 7, 2011.

  1. ooberandy

    ooberandy Android Enthusiast
    Thread Starter

    I'm onto my 3rd Android phone now & have been experiencing a problem with all the devices where the phone won't (or at best is reluctant) to download data over a 3G signal.

    I've previously had the HTC Hero, HTC Desire & now the Galaxy S2, but all have the same problem.

    Whether I use an app or the browser & the 3G symbol is in the top corner data doesn't download. Occasionally after a couple of minutes the data will work, but generally I get an error message.

    Sometimes the phone will switch across to the HSPA signal & that works fine and at an acceptable speed. Wifi also works well.

    My HTC handsets were with Orange & my S2 is with o2. Has anyone had any issues with this & found solutions?
     



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  2. ironass

    ironass Extreme Android User

  3. ooberandy

    ooberandy Android Enthusiast
    Thread Starter

    Thanks, but not sure if that's the issue. That post suggests that a connection is being made, but I think my problem is to do with a connection not being made to the internet.

    Might have to try rooting, just for the fun, to see if that does anything.
     
  4. ironass

    ironass Extreme Android User

    Rooting won't solve your problem as such.

    What is your signal strength?
    (to find out:- Go to Settings > About phone > Status >Signal strength + Mobile network type)
     
  5. ooberandy

    ooberandy Android Enthusiast
    Thread Starter

    Thanks, here's my settings...

    Signal Strength
    91 dbBm 9 asu

    Network Type
    UMTS
     
  6. evohicks

    evohicks Android Expert

    I have had problems with my connection to data but its pretty much related to my area of work, at home its on HSDPA ,
    signal strength 101 dBm 6 asu
    at work I can barely get the 'G' symbol.
    I am on o2 contract.
     
  7. ironass

    ironass Extreme Android User

    Well, that's a pretty good signal strength, 4 bars?

    There is an app, free on the Market, called Speed Test that you can use to see what your Download and Upload speeds are. Need to use it at different times of the day to get an accurate overall picture.
     
  8. ooberandy

    ooberandy Android Enthusiast
    Thread Starter

    Yeah, my signal strength isn't a problem. It just seems a reluctance to connect over 3G. The up arrow keeps on being lit, but nothing ever comes down on the down arrow.

    But this is only on 3G. GPRS, EDGE & HSPA all work fine :S
     
  9. buhsnarf

    buhsnarf Newbie

    I have this exact same problem. am in Orange Uk and also used to have it when I had my HTC hero, also on Orange.

    never found a fix and because it's so intermittent it's hard to show in the Orange shop! I felt your pain though and that dreaded 3G symbol with just green up arrow and no down orange arrow!!!
     
  10. jaliy

    jaliy Android Expert

    try turning on data roaming
     
  11. ooberandy

    ooberandy Android Enthusiast
    Thread Starter

    Seems to simple to work, but i'll give it a try. Has this worked for you before?
     
  12. Hawker

    Hawker Android Expert

    This just applies when roaming tho (ie. abroad)

    What are your APN settings ooberandy?
     
  13. ooberandy

    ooberandy Android Enthusiast
    Thread Starter

    My APN settings are...

    Name: o2 Mobile Web Post Pay
    APN: mobile.o2.co.uk
    Proxy: <Not Set>
    Port: <Not Set>
    Username: o2web
    Password: *********
    Server: <Not set>
    MMSC: <Not set>
    MMS: Proxy <Not set>
    MMS Port: <Not set>
    MCC: 234
    MNC: 10
    Authentication Type: PAP
    APN type: internet
     
  14. Hawker

    Hawker Android Expert

    I'm on orange so can't compare.
    Perhaps someone on O2 on here can check for you, but those settings look pretty reasonable to me.

    A quick search on here found this:
    Mobile Web

    Name: O2 Mobile Web
    APN: mobile.o2.co.uk
    UserName: web
    Password: web
    MCC: 234
    MNC: 10
    APN Type: default

    And Post Pay,

    Name: O2 Post Pay
    APN: wap.o2.co.uk
    UserName: o2wap
    Password: password
    MMSC: http://mmsc.mms.o2.co.uk:8002
    MMS Proxy: 193.113.200.195
    MMS Port: 8080
    MCC: 234
    MNC: 10
    APN Type: mms

    Here are the settings from the o2 website
     
  15. ooberandy

    ooberandy Android Enthusiast
    Thread Starter

    Cheers Hawker, I wont be changing my settings to the other one, as there seems to be a separate issue with o2 throttling wifi speeds over the proxy.
     
  16. cduguet

    cduguet Lurker

    Hi! sorry to bump this message, but I also see that my SIM Card is throttling the WiFi download connection. I tried with a german o2 SIM and a chilean movistar SIM from Chile (as o2, also a Telef
     
  17. ooberandy

    ooberandy Android Enthusiast
    Thread Starter

    Sorry, but I can't remember how I overcame (or if I ever did) the problem. My memory is poor at the best of times
     

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The Samsung Galaxy S2 release date was April 2011. Features and Specs include a 4.3" inch screen, 8MP camera, 1GB RAM, Exynos 4210 Dual processor, and 1650mAh battery.

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