i have iphone 3g 8gb i accidently upgraded it to 4.0.2 then i tried almost every way to downgrade which i always fails, but today it was my luck i again give a try and successfully i downgraded it to 4.0.1 then i jailbreak it with jailbreakme.com after that i needed to activate it so i use cydia.pushfix.info it activate the iphone before it was going on emmergency call only but after cydia.pushfix.info its activate but NO NETWORK SERVICE

i reboot the device many times but still didnt work out.

any solution please ????

Thanks in advance

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