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Discuss Turbo SIM: not really working as it should? at the Turbo-, Supersim and Simcloning Solution - Hackint0sh.org; I have two iPhones modded with the Turbo SIM method. The ISA method didn't work, ...
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    Default Turbo SIM: not really working as it should?

    I have two iPhones modded with the Turbo SIM method.
    The ISA method didn't work, I always got a communications error and yes, CommCenter was disabled properly.
    The Applesaft method worked with both, a german T-Mobile N2 SIM and a Vodafone SIM.

    Unfortunately the T-Mobile SIM worked only for 10-30 minutes, then the iPhone said No Service, then T-Mobile came back on again, then again No Service and finally NO SIM DETECTED. I tried several times, no chance with the T-Mobile SIM to make it last longer.

    The Vodafone SIM seemed to work fine, I was able to make and receive calls, to send SMS and to use iPhone's Mail, Safari and YouTube. Since I never REALLY talked to somebody when I tried the Vodafone SIM, I assumed that having a network connection all the time, it should work. I went to sleep and when I woke up 5 hours later, the iPhone showed No SIM detected, I missed an important call. I turned the iPhone off and on, still the same. Again I turned the iPhone off and on and the Vodafone connection seemed to work again. So I doubt this is a "bad contact" program from the SIM/Turbo SIM connection since I barely moved the iPhone during this operation.

    I left the iPhone on my desk and Vodafone seemed to work. Then, I got a call. I took the call but around 30 seconds later, the connection died suddenly. I looked at the iPhone and it showed No Service, a couple of seconds later it showed Vodafone again.
    The caller called again and the same thing: around 30 seconds later, the connection died and again No Service. After a couple of seconds later, Vodafone came back on again.

    The second iPhone I have does the SAME weird thing with Applesaft, ISA also doesn't work. So it may not be a rare problem or a problem with the SIM/Turbo SIM connection.

    Has somebody encountered similar problems? If not, have you actually USED the iPhone with your Turbo SIM for a longer period of time, including taking calls and talking to people for a couple of minutes?

    I'm mostly curious about Vodafone Germany iPhone users but if you had problems, you can post them even if you don't use a Vodafone Germany SIM.

    Thanks.

    Btw: I plan to do a clean recovery, maybe even with the new FW 1.0.2 and to try to install Applesaft again. In it's current state, the iPhone is useless to me. Of course I can use it for showing off to friends "look, it works" but I can't really use it if it dies during phone conversations or if it looses the network connection over night and I end up missing important calls.



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    Respected Professional Array pendalf's Avatar

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    the same ive got with cingular sim using in sony erricsson k 700i from germany in usa...

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    I am working with iPhone an T-mobile here in Germany since several days. It isn't always stable. But with my P2 card it it possible for me to have longer phone calls (<20 min) with no problems.

    But yesterday I had to restore the phone as I was unable to switch it on again. Since that time all seems to work well. I am going now for hollidays, so I have to do a lot of emails and calls using edge - but I have my Sony M600i as spare part with me.

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    I had endless problems with my original O2 SIM here in the UK, although a couple of other SIMs I had worked fine.

    I just had the network give me a replacement SIM and that worked perfectly, first time, and has been stable ever since.

    I suggest anyone having trouble with a "NO SIM" message requests a replacement SIM from their carrier. This seems to cure almost all problems

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    Quote Originally Posted by jalexuk View Post
    I had endless problems with my original O2 SIM here in the UK, although a couple of other SIMs I had worked fine.

    I just had the network give me a replacement SIM and that worked perfectly, first time, and has been stable ever since.

    I suggest anyone having trouble with a "NO SIM" message requests a replacement SIM from their carrier. This seems to cure almost all problems
    I think you just have been lucky. Apparently the Turbo SIM method requires a "compatible" SIM card. It may work, it may not work, this is something nobody ever mentioned when the Turbo SIM method started to evolve.
    I don't blame the authors of the Applesaft/ISA binaries, they did a wonderful job. Still, they may want to look into various SIM compatibility issues because they may be able to fix them with an update of their binaries.

    Right now I'm pretty tired and bored of trying this and that for hours and hours and it still didn't get me anywhere. Everything was a piece of cake, activating, jailbreaking, SSH enabling, Applesaft installing, etc. but since then, the Turbo SIM drove me crazy. :p


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    Quote Originally Posted by 997TT View Post
    I think you just have been lucky. ... now I'm pretty tired and bored of trying this and that for hours and hours and it still didn't get me anywhere. Everything was a piece of cake, activating, jailbreaking, SSH enabling, Applesaft installing, etc. but since then, the Turbo SIM drove me crazy. :p
    I know how you feel.. I was so frustrated when I couldn't get mine to work with my original O2 SIM (which is only a year old) especially when I found to pay-as-you-go SIMs that worked just fine!

    The moment I got my replacement O2 SIM it worked immediately. If you can't get yours to work, I really suggest you ask for a replacement SIM from your carrier .. it can't hurt, seeing as you've tried everything else

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    Quote Originally Posted by jalexuk View Post
    I know how you feel.. I was so frustrated when I couldn't get mine to work with my original O2 SIM (which is only a year old) especially when I found to pay-as-you-go SIMs that worked just fine!

    The moment I got my replacement O2 SIM it worked immediately. If you can't get yours to work, I really suggest you ask for a replacement SIM from your carrier .. it can't hurt, seeing as you've tried everything else
    I have tried three different Vodafone SIMs and five(!) different T-Mobile SIMs.
    All of them are doing the same weird stuff.

    I may have found a "hint" where the problem with Applesaft modded phones may be:
    weak signal and/or no service. As soon as the iPhone shows "no service" instead of Vodafone.de, apparently shortly after that, the iPhone seizes to "recognize" the SIM in the tray. I'm pretty sure this has something to do with Applesaft, maybe the programmers read this and get a hint for a possible solution.
    As soon as I restart the iPhone for a couple of times, the SIM is recognized again and Vodafone works. This is definetely an Applesaft problem.
    I may try ISA again this afternoon, just to make sure that it doesn't work with the Vodafone. If it works, well...the better.

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    I think these errors are different - the "No SIM" comes probably from a bad contact / defect / whatever, but something physical, considering it worked fine for some time in your description

    Regarding the "No Service" error, can you create a baseband log when that happens and post it ? Could help to start tracking down the issues.

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    Quote Originally Posted by Zf_ View Post
    I think these errors are different - the "No SIM" comes probably from a bad contact / defect / whatever, but something physical, considering it worked fine for some time in your description

    Regarding the "No Service" error, can you create a baseband log when that happens and post it ? Could help to start tracking down the issues.
    I can't exclude a defective TurboSIM of course but I still think that the No SIM error is also related to Applesaft. When I restart the phone for a couple of times without moving it or moving the SIM tray, the SIM is recognized again.
    I don't know exactly how Applesaft works but since it involves the SIM card reader in the iPhone, it can't be excluded that it blocks the SIM card reader at some stage, so the iPhone doesn't recognize any SIM card in the tray. Of course this is just a theory, I have no proof of that.

    I also find it weird that the carrier signal seems to vary a lot, sometimes I get full signal (all bars), sometimes only a very weak signal and I don't touch the iPhone and I didn't change anything, same position on my desk! On the other hand, I even get the E for EDGE from Vodafone. I know that Vodafone offers EDGE in certain german cities but the E may also be only an indicator for an available GPRS connection, I don't know.

    Thanks for offering to help, you already did a lot for the community, I appreciate it.

    I came to the conclusion that as interesting the SuperSIM and TurboSIM methods are, I just can't wait to literally throw my TurboSIMs into the next drawer and have a full unlock up and running any time soon. I don't expect it in a week but at least I hope that there is no hardware mod involved.

    Btw: I also installed Terminal and VRecord yesterday, I never supected them to cause trouble but right now, I'm considering doing a full recovery and starting a fresh Turbo SIM setup again.

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    Quote Originally Posted by 997TT View Post
    I can't exclude a defective TurboSIM of course but I still think that the No SIM error is also related to Applesaft. When I restart the phone for a couple of times without moving it or moving the SIM tray, the SIM is recognized again.
    I don't know exactly how Applesaft works but since it involves the SIM card reader in the iPhone, it can't be excluded that it blocks the SIM card reader at some stage, so the iPhone doesn't recognize any SIM card in the tray. Of course this is just a theory, I have no proof of that.
    Then the problem could be in the Turbo SIM kernel as well. If you have a spare card with a problem that you are not using, it could be useful to send it to Bladox and let them see what's going on.

    I also find it weird that the carrier signal seems to vary a lot, sometimes I get full signal (all bars), sometimes only a very weak signal and I don't touch the iPhone and I didn't change anything, same position on my desk! On the other hand, I even get the E for EDGE from Vodafone. I know that Vodafone offers EDGE in certain german cities but the E may also be only an indicator for an available GPRS connection, I don't know.
    That's why I think a baseband log could prove useful when this occurs, because we've already isolated some pretty severe bugs thanks to the different SIM unlock methods seems even the baseband part was designed in a hurry, and not really well tested outside AT&T own network.

    Thanks for offering to help, you already did a lot for the community, I appreciate it.
    thanks

    I came to the conclusion that as interesting the SuperSIM and TurboSIM methods are, I just can't wait to literally throw my TurboSIMs into the next drawer and have a full unlock up and running any time soon. I don't expect it in a week but at least I hope that there is no hardware mod involved.
    for sure it'd be a better solution. But looking at the blog process, it looks like they were patching the live running firmware to change the PN lock comparison to "always true" and unlock it this way (at least until we get more details that's my wild guess). I don't think it's going to be easy to turn that into a full software mod, if possible at all, unless our baseband friends did another big design mistake (such as not encrypting the updated flag in the EEPROM or something similar), or Geo's team found exactly how the EEPROM is organized and encrypted (but once again according to the previous entry I don't think they were following that road).

    Anyway we'll see what happens in a week

    Btw: I also installed Terminal and VRecord yesterday, I never supected them to cause trouble but right now, I'm considering doing a full recovery and starting a fresh Turbo SIM setup again.
    I don't think they can cause trouble, weak signal and No SIM error causes can be pretty much restricted to the baseband code.


 

 
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