Quote:
Originally Posted by curtisbcm  Jailbreak your device and follow these instructions:
1. Go to Cydia
2. Add repository (apt.chinasnow.net)
3. Install "CommCenter patch for iOS 7"
4. Run "iFile" and go at /System/Library/Carrier Bundles/iPhone/Default.bundle/carrier.plst
5. Click on carrier.plst and select "Viewer PList"
6. Flip through down and find the item SupportsSupplementaryServicesOver3GPP (turned it off)
7. Turn it "On" and click "Finish"
8. Reboot the device.
9. Rejoice working USSD requests
NB: I am not to credited for this. |
100% working.....tested on 7.1.1, 4s USA Verizon