How To Fix No Service on iPhone 3GS after Jailbreak and Unlock

Many users of iPhone 3GS have been facing a common problem and complaining about the “no service” error after jailbreaking there iDevices. The reason behind the “no service” error on iPhone 3GS mainly occurs due to GPS failure after iPhone 3GS upgrade to 6.15.00 baseband.

Don’t waste your time searching about this issue because the Dev Team members are still working on this task to solve it but have not found a possible solution as yet. Anyway, for those users who are still facing the problem, our blog has to show some tips about how to fix this error on iPhone 3GS after jailbreak and unlock.

These are the following tips that may help you to fix no service on iPhone 3GS after jailbreak and unlock :

Tip 1:

Install current ultrasn0w version - Ultrasn0w 1.2.3

Tip 2:

Remove then reinstall ultrasn0w : Open Cydia, tab on search then type ultrasn0w > Modify > Remove , then search again for ultrasn0w and install it.

Tip 3: 

Reset your network settings : Settings > General > Reset > Reset Network Settings

Tip 4: 

Eject your SIM card then turn OFF your iPhone. After few minutes, turn on your iPhone then re-insert your SIM.

Tip 5:

Re-jailbreak and re-unlock your iPhone by restoring to pre-jailbroken custom firmware using Sn0wbreeze or Pwnagetool.

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