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Thread: Iphone 3gs no service after update to 6.15.

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Hi all I am having difficulty with my 3gs I updated to 4.2.1 and updated the based band to 6.15, During redsnow it asked when version 3gs i had and
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  1. #1
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    Default Iphone 3gs no service after update to 6.15.
    Hi all

    I am having difficulty with my 3gs I updated to 4.2.1 and updated the based band to 6.15,

    During redsnow it asked when version 3gs i had and i checked the serial its 4th and 5th number are 18 so I said it had the old bootrom it started the process but failed stating i had a new boot 3gs. so I redid the redsnow stating it was new boot, and it completed.

    I then follow the procedure to boot the phone and completed the ultrasn0w unlock through cydia, after the last reboot the phone get stuck on the apple logo and after a while reboots justs continues like this

    I then put phone into dfu mode to boot through resn0w this works ok but the phone show no signal when a sim is inserted.

    I have even inserted the orginal sim and this shows no signal also.

    I thought it was a bad jailbrake so I restore but even on offical the orginal sim card shows no signal.

    I redid the process above again except this time i stated first time that it was a new boot 3gs, and it ended up same way again stuck in the reboot loop. and still shows no signal on any sim

    Thanks in advance for any help

    I have redone this procedure many times now but still same

  2. #2
    Super Moderator iYeow's Avatar
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    Go check your PM box, all you need is in there. Goodluck.

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    There is a reason why there is nobody else with my problem

    Opened phone and found that the aerial has detached from board replaced and working fine now on any network.

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    Default Iphone 3gs
    Hi Guys

    I am having the same problem with my Iphone 3gs, i recently upgraded to 4.2.1 then changed the bb to 6.15.

    i downloaded Ultrasn0w and restarted the phone. i put the sim that i wanted to use in the phone and checked it. It knows that my sim card is there as it is showing my number and my carrier (in this case orange uk) but i dont get a signal.

    I am really lost and doont know what to do.

    can anybody help me with this.

    many thanks

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    Super Moderator iYeow's Avatar
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    Run redsn0w and check ipad bb again.

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    when i ran redsn0w the first time i ticked the ipad bb and it did change the bb to 6.15.

    so are you saying the run redsn0w again & do it all over again.

    Sorry im just really annoyed with it as everything is working apart from my signal.

    thanks

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    Have you installed ultrasn0w. If you have and still getting no signal, run redsn0w and just choose ipad bb again.

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    yeah have installed ultrasn0w and still nothing.

    Ok so just run the redsn0w again the same way as the first time?

    also when i turn the phone off the on again it says "waiting for activation" "this may take some time"

    but nothing happens when i leave it
    Last edited by scotboy; 02-08-2011 at 07:51 AM. Reason: Automerged Doublepost

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    Super Moderator iYeow's Avatar
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    Have you plug your iphone to itunes ?

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    yeah thats the thing i have had it in itunes and its all set up on there showing my mobile number etc and as i said the phone is picking up the sime as it says Orange and shows my number but no signnal

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    Then you are already unlocked. Try taking the sim card in /out or uninstall/ reinstall ultrasn0w.

    If you use a prepaid sim to activate, it may not activate.
    Last edited by iYeow; 02-08-2011 at 04:51 PM. Reason: Automerged Doublepost

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