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getting no service/ seraching

  • 02-12-2011 9:53pm
    #1
    philyb
    Registered Users, Registered Users 2 Posts: 37 ✭


    Hey all
    Friend got iphone 3gs 32g second hand but there has been a problem it cant find network singal. The iphone had 5.1 firware and baseband 06.15.00 jailbroken installed ultrasnow but the phone couldnt get a singal.

    Hat i did
    i downgrade the firware to 4.2.1 by
    frist downloading fw 4.2.1
    ran tinyumbrella 5.01 Tss server( did this as i found it stoped any errors happing)
    put iphone in duf mood
    open itunes, itunes went to restore holded shift button and clicked restore ( no problems)
    Iphone restored and went to emergency mode ( so need activation)
    put iphone in duf mood
    Ran greenpois0n firist ( did this to for hackactivation iphone and think makes untethered)
    put iphone in duf mood
    ran Redsnow 0.9.9b 8 ( open as admin)
    enter to extra screen
    select IPSW fw 4.2.1
    enter jailbreak put iphone in duf mood
    Iphone restarts it is hackactivated and runing cydia
    Run cydia eneter manage, sources , reppo66 and intstall ultrasnow
    reboot
    ultrasnow has unlocked phone
    if you toggle with the airplane mode, turn on airplane mode with sim in then take sim out turn airplane off and instert sim the iphone reconigised the carrier
    But cant find network keeps seraching
    if you turn the 3g funition off it will go to No service

    Rang vodafone today to see if imei is blacklisted its not
    also brought it to a phone fixer guy and he said he also is havin problem with this to

    just downgrade again to 4.1 to see if differ still the same


Comments

  • #2
    CathalDublin
    Registered Users, Registered Users 2 Posts: 4,147 ✭✭✭CathalDublin


    It's either corrupt baseband or antenna issue
    Have you tried reinstall the baseband?


  • #3
    matchthis
    Registered Users, Registered Users 2 Posts: 1,895 ✭✭✭matchthis


    Had a similar issue with mine and the following sorted it

    Turn off the pin code in settings- phone. Then do a soft reset by holding down both the home key and the lock button at the same time untill you see the apple logo. Ignore the slide to power off prompt that comes up.


  • #4
    red bellied
    Registered Users, Registered Users 2 Posts: 358 ✭✭red bellied


    I have a similar problem running a 3GS on 4.1 and iPad baseband. The iPhone will pick up coverage sometimes from reboot and lose it just as quick. In places with better coverage it will be more stable and it will have 3 or 4 bars. I have tried reflashing the baseband and it's currently on snowbreeze custom firmware.


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