Samsung SGH-S959G Unlock+Root+ Network unregistered after unlock solution 100% tested
for complete network service
this post is very usseful, but after make this the phone cant access to 3g data, no problem i fixed with this:
1.- download apn manger pro and titanium backup pro from http://www.4shared.com/rar/YtrOhPtD/All_apk.html
2.- download apk installer from googleplay
3.- install both files
4.- In Titanium Backup Pro, go to Backup/Restore, APN Manager Pro find and “long select” , and then select “Convert to system app”
5.- create your apn in apn manger pro
ENJOY