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  1. LangleyGuy's Avatar
    Hello,

    I have an unlocked AT&T S4 and I can not get the hotspot to work. It just says, invalid sim. What is the work around for this issue?

    Thanks
    09-26-2013 01:58 PM
  2. Kevin OQuinn's Avatar
    Hello,

    I have an unlocked AT&T S4 and I can not get the hotspot to work. It just says, invalid sim. What is the work around for this issue?

    Thanks
    It only gives you that error when you try to use the hotspot? My guess would be that AT&T is blocking it, since it's something you have to pay for separately from your data plan.
    Vadisla likes this.
    09-26-2013 02:00 PM
  3. LangleyGuy's Avatar
    Yes, screenshot below

    Is there any work around? Any way to get around this? APPS available?

    Click image for larger version. 

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    qadriwaqar likes this.
    09-26-2013 04:33 PM
  4. Sean Long's Avatar
    im having the same problem and need help
    10-08-2013 02:36 PM
  5. LangleyGuy's Avatar
    10-09-2013 01:53 PM
  6. MaxRusky's Avatar
    Same problem on my &T&T fully paid for Mega 6.3 Unlocked, Jelly bean 4.2.2. I am in Europe and on another network, data comes in fine, but no hotspot or tethering will be allowed, though providers here allow it! The phone is fully paid, and unlocked should be unlocked with all the important components working! Don't want to root. ATT customers in U.S. are told they must be on tethering plan. But my phone is UNLOCKED and I am in Europe right now teaching at university. Any suggestions!

    ps no other apps will make hotspot work but foxfi does make the tethering USB work. But I want the hotspot, obviously!

    None of the many handy phone companies in the EU do this crap! They all unlock immediately, they don't mess with the phones components and cripple important features!

    It might be one thing while you are on an AT&T contract. but this is paid for ATT unlocked phone!

    same message:

    No mobile data available or invalid sim card!

    the same card works fine with hotspot in my wife's Note on ICS.

    Thanks for any information or suggestions you could offer!
    11-02-2013 12:46 PM
  7. baaqil's Avatar
    I own S4 AT&T and now I have successfully enabled Hotspot
    1. Go to Settings --> More --> Tab on Application Manager
    2. Go to All tab(By scrolling Vertically)
    3. Find AT&T Hot Spots and click it
    4. When App info opens, click Turn off
    Now AT&T Hotspot is turned off.
    now follow the direction on this website. It is very simple
    How to Hack Your Samsung Galaxy S4 into a Free Wireless Hotspot Samsung GS4 softModder

    Good luck
    11-20-2013 05:22 AM
  8. briananthony's Avatar
    This is great for S4 phone but what is the workaround for the Galaxy Mega does anyone know? There has to be one. I tried to do what was prescribed for the S4 but Mega doesn't list At&t Hotspot on it's app list. Downloading a different hotspot doesn't work. Went through a successful unlocking of At&t Mega only to find hotspot no longer works but determined to find answer that solves this issue. Thanks!
    12-25-2013 06:04 AM
  9. William Reis's Avatar
    Hi I have the same problem with my unlocked Mega. I was told that the only way to get around this issue was to root my phone but I do not want to do that. have you found any updates on how to get the hotspot to work. Thanks
    01-23-2014 09:13 AM
  10. baljinder707's Avatar
    Go to setting and change the name of your hotspot and set the password before turning it on. Then turn it on once you have changed the wifi name and password... it should work
    02-11-2014 06:20 AM
  11. Gary15987's Avatar
    I own S4 AT&T and now I have successfully enabled Hotspot
    1. Go to Settings --> More --> Tab on Application Manager
    2. Go to All tab(By scrolling Vertically)
    3. Find AT&T Hot Spots and click it
    4. When App info opens, click Turn off
    Now AT&T Hotspot is turned off.
    now follow the direction on this website. It is very simple
    How to Hack Your Samsung Galaxy S4 into a Free Wireless Hotspot Samsung GS4 softModder

    Good luck
    I tried this method and root is required. I have already upgraded to android 4.3 so geohot's activeroot does not work. Have you by chance found another method for us?
    Andrew Elder likes this.
    02-24-2014 08:32 AM
  12. misstaylor's Avatar
    Hi I have an unlock note 3 with att it also show me the same error what can I do thanks
    03-11-2014 12:52 AM
  13. myoki's Avatar
    I got my HTC one unlocked from AT&T and now with T-Mobile which provides free hot spot tethering unlike AT&T.
    But when I turn on the hot spot, it jus shows processing image and doesn't get on.
    HTC cust care says the device is for AT&T and we do not guarantee the functionalities 100% with other carriers.
    AT&T and T-Mobile guys are helpless in this . Finally the customer is affected.
    03-25-2014 12:16 AM
  14. Nottenel Dempster's Avatar
    tried this on s3, still saying invalid sim...HELP!!!!!!!!!!!!!!!!!!!!
    04-18-2014 04:32 PM
  15. myhamstring's Avatar
    I'm also experiencing this problem, and T-Mobile has been unable to provide me with any answers on support chat and multiple phone calls. I wasn't aware this would be an issue and I'm left holding a wifi tablet I can't connect anymore.
    04-26-2014 07:12 PM
  16. Gurmeet Chandi's Avatar
    Hello,

    I have an unlocked AT&T S4 and I can not get the hotspot to work. It just says, invalid sim. What is the work around for this issue?

    Thanks
    Simply download power toggle from play store and problem will be solved.turn on hot spot by simply clicking on power toggles
    05-03-2014 03:26 AM
  17. switchedgear's Avatar
    5) Get ES File Explorer from the Play Store. Tap the hard key for menu, scroll down and tap on Net Manager. Tap on Settings at the bottom, select 'Use the system AP setting', enter an SSID (recommended to be short with no spaces, like 'MyName_GS4_Active'), and a password. Tap on OK. Tap on the back button. Tap on 'Create a hotspot network'. It will say 'Establishing Network...turning on', followed by 'Now you are using AP, SSID is...', AP password:, and an 'Exit' button. It may say 'Unfortunately, Settings has stopped' after this, but IGNORE it. Your hotspot is still active - look at the top left of the phone, you will see a wifi symbol in a blue icon, this is your indication that your hotspot is working. WORKS PERFECT!
    flomp83, bizzle, tiamooz and 1 others like this.
    05-05-2014 04:05 PM
  18. netosoler's Avatar
    how do you unlock the hotspot for an ATT Samsung S5?
    05-21-2014 06:14 PM
  19. bizzle's Avatar
    This worked great for me thank you!
    I just had to disconnect from my existing connection to make 'Create a hotspot network' available.
    (I have a SG3.)
    05-22-2014 11:13 PM
  20. stevestebo's Avatar
    This still does not work. Still getting the mobile data is unavailable or invalid sim. I do not have the privilege to root my device, b/c the note 3 from AT&T is still locked down. Is there anything else that will work?
    qadriwaqar likes this.
    06-12-2014 01:28 PM
  21. Chrissy S's Avatar
    I have an unlocked AT&T S4 and it is giving me the same issues. I do not want to root my device. Is there a way around this issue so I can have my tethering back?
    06-29-2014 01:51 PM
  22. JaxDomino's Avatar
    5) Get ES File Explorer from the Play Store. Tap the hard key for menu, scroll down and tap on Net Manager. Tap on Settings at the bottom, select 'Use the system AP setting', enter an SSID (recommended to be short with no spaces, like 'MyName_GS4_Active'), and a password. Tap on OK. Tap on the back button. Tap on 'Create a hotspot network'. It will say 'Establishing Network...turning on', followed by 'Now you are using AP, SSID is...', AP password:, and an 'Exit' button. It may say 'Unfortunately, Settings has stopped' after this, but IGNORE it. Your hotspot is still active - look at the top left of the phone, you will see a wifi symbol in a blue icon, this is your indication that your hotspot is working. WORKS PERFECT!
    This is not working for me with an unlocked AT&T S5 on T-Mobile. I've noticed that on a T-Mobile S5 the APN Protocol is IPv6 and on AT&T S5 it is IPv4 and cannot be changed. Any ideas on how to modify that field with SQLLite?
    07-17-2014 09:17 AM
  23. Donovonh's Avatar
    This will work, it has worked on my note 3 AT&T unlocked device that I switched to T Mobile. I had trouble with Mobile hotspot, it kept reading "Invalid Sim" and found out how to disable this, but it has to be rooted first! (preferably towelroot Android 4.4.2).

    1. Download Titanium Backup from Google Play store (allow apps from unknown sources on device)
    2. Since your device is assumed to be rooted at this point, search "tether" in the Titanium Backup app.
    3. You should see "TetheringAutomation" and "TetheringProvision". These are what is messing up your tethering experience; Uninstall these apps, but back up for safety before you uninstall.
    4. Download "Hotspot Toggle widget" from Google Play store, put the widget on your home screen.
    5. Press to activate the widget, IMPORTANT: you will have to press the widget 3 times to activate mobile tethering for whatever reason, at least that how it was for me.
    cgt42 likes this.
    08-20-2014 10:41 AM
  24. J Brue's Avatar
    This will work, it has worked on my note 3 AT&T unlocked device that I switched to T Mobile. I had trouble with Mobile hotspot, it kept reading "Invalid Sim" and found out how to disable this, but it has to be rooted first! (preferably towelroot Android 4.4.2).

    1. Download Titanium Backup from Google Play store (allow apps from unknown sources on device)
    2. Since your device is assumed to be rooted at this point, search "tether" in the Titanium Backup app.
    3. You should see "TetheringAutomation" and "TetheringProvision". These are what is messing up your tethering experience; Uninstall these apps, but back up for safety before you uninstall.
    4. Download "Hotspot Toggle widget" from Google Play store, put the widget on your home screen.
    5. Press to activate the widget, IMPORTANT: you will have to press the widget 3 times to activate mobile tethering for whatever reason, at least that how it was for me.
    Thanks so much. This worked for me.
    samwaters likes this.
    08-21-2014 09:15 PM
  25. alexey78's Avatar
    This will work, it has worked on my note 3 AT&T unlocked device that I switched to T Mobile. I had trouble with Mobile hotspot, it kept reading "Invalid Sim" and found out how to disable this, but it has to be rooted first! (preferably towelroot Android 4.4.2).

    1. Download Titanium Backup from Google Play store (allow apps from unknown sources on device)
    2. Since your device is assumed to be rooted at this point, search "tether" in the Titanium Backup app.
    3. You should see "TetheringAutomation" and "TetheringProvision". These are what is messing up your tethering experience; Uninstall these apps, but back up for safety before you uninstall.
    4. Download "Hotspot Toggle widget" from Google Play store, put the widget on your home screen.
    5. Press to activate the widget, IMPORTANT: you will have to press the widget 3 times to activate mobile tethering for whatever reason, at least that how it was for me.

    Thank you very much. all works
    cgt42 likes this.
    09-07-2014 10:11 AM
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