Forums iOS

[masquedefer]

HI there, I just bought an iphone 3gs with os4 unlocked with ultrasnow it works fine with different sims of different netwoks but when i put my own sim from 3 network, it says restricted network .
can any one plaese help me cause i don't know what's the problem, why it connects to other networks but not to 3 network.
Thanks

[Darkmaster60]

Yop.
It can be a problem with your SIM (Maybe you sim card is an old model).
You can try to restore your phone with iTunes (Remember to save your ECID before) to check that it's not a hardware problem.
I think it's just a problem with Ultrasn0w and a restore can fix the problem.

[masquedefer]

Thanks M8, I'm a bit new to all This , how do i restore the iphone and save the ECID,is there a new sim for the 3gs iphones ?
Thanks

[Darkmaster60]

What's your Firmware ? 4.0 ? 4.01 ?
It's an old, or a new iBoot ? (Look this "How-to" to know your iBoot : http://www.iphonegen.fr/forums/viewtopic.php?pid=354196).

[masquedefer]

My firmware is 4.0 and it's new iboot

[Darkmaster60]

Use this to save your ECID : http://www.iphone3gsystem.fr/tutoriaux/ ... mac-linux/
ECID allows to restore your iPhone to 4.0 firmware.

But, I don't know how you can restore your phone without 4.0.2 Upgrade.

[slock]

You should ask for a new sim card, it will probably work since other sim cards work too
You should also try to restore but you won't be able to jb your phone nor unlock it with ultrasnow because you can't restore to an "old" fw