Phone Generation : 3G
Unlocked: official unlock
Current Firmware : 3.1.2
iTunes Version : 9.1.1.12
PC/MAC : XP
Jailbreaking software : blackrain
Problem Encountered :

my 3G seems difficult to connect to any connections lately. i thought of upgrade d firmware to 3.1.3. (as im still on 3.1.2). so i just wanna ask bros....wat happened if i click restore in itunes? will it restore to 3.1.2 or wat?
appreciate advice. thanks
*

advice from yezhacolic.........

Have you try reset network connection in the settings? When you click restore your phone will revert back to factory setting. In your case, after reverting your phone OS will be 4.0.2.

I dont suggest you to have 4.02. Will be very lag for i3g. Maybe you can try manually upgrade to 3.1.3.

Download it @ http://forum.lowyat.net/topic/1223378 (look for 3.1.3 i3g firmware).

After downloading, plug in iPhone. Put your phone into DFU mode (google for the steps).

Lastly, alt + click "restore" in itunes and choose the .ipsw file you downloaded earlier.

vola.
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ok done.....

but stuck in apple logo in restore.
OMG OMG what to do next?????
thanks

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Added on September 5, 2010, 7:18 pmit got stuck at apple logo (maybe at 80%), then i unplugged it. next thing i knw i see "itunes connect to cable picture"

did restore many times, but failed.




OMG OMG. please help.

This post has been edited by Zombiemonkey: Sep 5 2010, 07:18 PM

oh oh.....how do i get out the "itunes connect cable" picture?

dear yezhacolic............thanks for ur advise on the DFU mode.

I finally restored to 3.1.3 a day after 4.1 is available, unfortunately my wifi still cant connect to any connection. I thought if i update 3.1.2--3.1.3 it will fix it. dissapointed.
why is it? care to help?

or.....should i upgrade to 4.1?!
danggggg

This post has been edited by Zombiemonkey: Sep 10 2010, 10:26 AM