Iphone 4 no service
 

I have an i phone 4 factory unlock i updated the version with custom firmware.
now the version is 4.3.3 and modem is 3.10.01 but it dont show the signals and shows no service what should i do plz help

br
if your device is factory unlocked,update dierectly to latest version
no need to use custom ipsw
custom ipsw using for preventing baseband update
here,your device is factory unlocked..so,dont worry to update dierectly

i phone 4
 

br when i restore any i phone 4 factory unlock the i tunes shows an error no 3194 what should i do

just go to c:\windows\system 32\drivers\etc

open the file host in notepad
just put # in front of this line
74.208.10.249 gs.apple.com

your problem is solved
press thx

HY for all i SOLVED this problem....today i made update on iphone4 4.3 fw to 4.3.3 this phone was never loked....afther this update no network no signal....after a lot of reading end whachis videos and forums...i meda itt my alone....so:
step1 instal cydia...and from that shsh....
step2 make backup and send to email...
step3 make restore with tinyumbrella-5.00.00.exe
step4 edit "c:\WINDOWS\system32\drivers\etc\hosts " this file 74.208.10.249 gs.apple.com
step5 run itunes Shift +click restore to custom firmware 4.3.3.
Step6 wait to finish and insert any sim card and activate

Hope itt helps!!!I'm very happy now,,,because i thought i lost factory never locked!!
end now everithing is ok!!

you have to buy gevey sim. for more detail go to http://alturl.com/ogspu