Apple iPhone Troubleshooting Tip – “Could not activate cellular data network”

Last week when I updated my Apple iPhone 3G with the new firmware updated version 2.0.2 released recently. As usual the iPhone worked perfectly normal after this upgrade, but surprisingly today morning when I tried to check my mails on the phone it started giving following error “Could not activate cellular data network” which I expected to be related to service provider and blamed them but later something else actually happened. I tried restarting the iPhone for several times but it didn’t work at all for a long time after a series of attempts.

I really got fed up and I tried calling AirTel customer care, but they suggested me to call Apple Care India(1800-425-0744) which is toll free and I expected some good support from them. When I called Apple Care people for help, they guided me to the following URL to have a look at support information on iPhone: http://www.apple.com/support/iphone/in/. So again with a hope to fix it I tried opening the web page but the above link disappointed me by giving “Page Not Found” error( Apple are you Listening? sorry Reading?).

None of the above information or support helped me to resolve this issue, then I came back to home and started searching for this problem on Google(Yes I believe in Google) expecting some useful information. Fortunately I found some useful information which gave me some relief after all the attempts.

I had resolved this issue very easily by following these steps(twice):

Go to: Menu > Settings > General > Reset > Reset Network Settings. Once you Reset the network settings, iPhone3G got restarted and then above issue got resolved related to cellular network and now it was working fine. Thank God(Should I say Thank you Google?).

33 Comments

  1. Hey OMG!ThankYou sooo much I was all worried that my phone was messed up or something and i just got it so ya but thanx anyway very helpful!

  2. DO THIS IF IT DON T WORK GO A GO TO SDETTING WHERE CELLER DATA NETWORKS IS AND CHANGE IT ALL TO PAYANDGO.COM OR .CO.UK THEN IT WILL WORK

  3. Thanks very much Tom your a Star!! Tried everything then your last option has actually worked. ive been trying to fix this problem for ages!! Im soo happy now thanks again!! 😀

  4. Thank very much, it works fine now ^.^

    If I know anyone who’s having the same problem, I’ll say it’s all thanks to you.

  5. Tom ur a legend, got my mrs an iphone and she has bitched at me for hours!!! now fixed, can watch rugby in peace

  6. worked on my iphone4 as well, seems obvious but to a brand new user was very nice to have this info available so thank you very much!

  7. For T-mobile users do the follwoing:
    Settings- General- Network and then put the following info:

    APN: general.t-mobile.uk
    Username: user
    Password: pass

    Worked for me! 🙂

  8. Thank you so much for this information. I was worried for a minute because I accidentally dropped my phone prior to getting that message. So relieved now.

  9. Hi.
    I currently have the iPhone 4, having the same problem! Tried resetting the network settings and it still isn’t letting me text people.
    There is no 3G sign in the corner, wondering if anybody could give me any suggections!?

  10. hi,

    I have iphone 4G with latest iOS4.3 just upgraded 3 days before but i have same problem while opening messages i am getting the same error “could not activate cellular data network”

    Please someone help me to resolved this…

    regards,

    vijay

  11. THIS IS HOW I FIXED IT:
    SETTINGS > GENERAL > NETWORK > THEN TURN ‘DATA ROAMING’ OFF

    HOPE IT HELPS

  12. I had did same way put mine is giving same information Data cellular networking not working choose another. Anybody give some idea please?

  13. HELLO.I DID THIS JOB,BUT MY IPHONE STILL NOT WORKING!NOW,I AM VERRY TIERD,LIKE MY IPHONE…!PLEASE EVERYBODY!HELP ME TO FIXED…!

  14. Thank You Thank You!!!! It worked Great! Appreciate the info..It was driving me crazy that I couldn’t text…

  15. hi….. same problem of my iphone 3g.cant access coz could not acess cellular data network….ive tried reseting the network but still not working…any help pls….ive already tried in many times as what in the post above….

  16. Thank you. This works for iPhone4 as well. I was about to blame my phone compagny as well, but you gotta Google first I guess 😉

  17. Brill – first time correction, did not even have to reboot ……it just worked. Thankyou for the advice.

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