The below is for persons who have unlocked their iPhone but are getting fluctuating signal or No Service from the network.
This is the short fix taken from:
http://hackint0sh.org/forum/showthread.php?t=8333
I have modified it to make it much easier, as i found an easier way to stop CommCenter, rather than type that long command of which you don't see on your iPhone screen.
Shorter Solution
Try this first as this method doesn't involve any flashing and I fixed a no service with this even shorter solution, not found on any other forums.
NB. My shorter solution is harmless and will not brick your iPhone, it merely stops the phone's communication (GSM/WIFI), then restarts it again.
1. Start with iphone with no service (jailbroken and unlocked)
2. Use iBrickr to load Launchctl GUI (Application -> Browse Application -> Launchctl GUI)
3. Open Launchctl GUI, look for the CommCenter line. If it is red - go to step 5. If it is black - proceed to the next step.
4. Select the CommCenter line, you will see a list of 3 options, select the unload -w, and press ok to confirm, the CommCenter should now be red in the list.
5. Fully restart your iPhone.
6. Open Launchctl GUI, look for the CommCenter line. It should be red if you did the above steps correctly.
7. Select the CommCenter line, you will see a list of 3 options, select the load -w, and press ok to confirm, the CommCenter should now be black in the list.
8. Press the home button. Your phone should now display 'searching' then display your network with full signal. If this doesn't work, then you might want to try the 'regular' Short solution which slightly flashes the baseband.
NB. Once your iPhone is working fine, open iBrickr again, go to applications, and delete the Launchctl GUI from your phone by clicking the red (-)minus buttons on the right of the screen.
Short Solution
You will need bbupdater and .eep files for your iphone firmware version (I have used version 1.02) ICE03.14.08_G.eep
1. Start with iphone with no service (jailbroken and unlocked)
2. Use iBrickr to load Mobile Terminal (Application -> Browse Application -> Mobile Terminal)
3. Use iBrickr to load Launchctl GUI (Application -> Browse Application -> Launchctl GUI)
4.Using iBrickr upload bbupdater, ICE03.14.08_G.eep to usr/bin/ directory on your iPhone(Files are attached)
5. Open Launchctl GUI, look for the CommCenter line. [If it is red - do nothing, just press your home button and go to the next step] [if it is black, select it, you will see a list of 3 options, select the unload -w, and press ok to confirm, the CommCenter should now be red in the list, then press your home button and move to the next step]
6. open mobile Terminal and type cd /usr/bin/
7. run command chmod +x bbupdater
8. run command bbupdater -e ICE03.14.08_G.eep
9. turn the phone off with the red slider and power on again
10. Open Launchctl GUI, look for the CommCenter line. (It should be red if you did step 5 correctly) Select it, you will see a list of 3 options, select the load -w, and press ok to confirm, the CommCenter should now be black in the list, then press your home button and move to the next step]
11. Your phone should now display 'searching' then display your network with full signal. ( if this doesn't work and you are absolutely sure that you didn't make any mistakes running this process, then you might want to try the Longer solution which will 'viginize' and re-Lock your device again and you will need to unlock it again)
NB. Once your iPhone is working fine, open iBrickr again, go to applications, and delete the Launchctl GUI and Mobile Terminal from your phone by clicking the red (-)minus buttons on the right of the screen.
Posted by Hilman Anshori at 8:11 PM
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