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yea i have trouble getting yellowsn0w to work.
can i try putting back the sim proxy ?
the only problem is that i dont have one that is compatible with 2.2 baseband.
 
I unlocked it with an AT&T sim just in case I wanted to give it a try, but service ended up cutting in and out in 2 minute intervals and more often than not defaulted to EDGE rather than 3G.
 
That's the same procedure I followed, but switching to airplane mode and back never bring back the phone to life. But reboot via boss pref did the trick (also for three network, you need to switch on 3G by before rebooting)

Good luck

sunil could u please post more on how u got it to work. im using a 3 sim and cannot get it to work. i upgraded from 2.1 to 2.2 using itunes then jailbroke with quickpwn and installed yellowsnow using cydia. was first getting 5 dots and now saying no service. have tried rebooting/swapping sims/airplane mode etc but still no luck...
 
Still no luck. Reset Network didn't work for me, Still get five dots for about 5 minutes then No Service. SIM works fine in my regular phone. I've given it 15 minutes a few times and no change. My wireless is acting up recently too.

EDIT: I'm overseas and put my AT&T contract on hold, that may have something to do with it...
EDIT 2: Woohoo, it just worked! I turned off, then on, let it sit until "No Service", took out the SIM, let it sit for 2 minutes, put it back in, waited 1 minute and it said "Activated!" 3G switch was off.
 
UK O2 iPhone now unlocked

After multiple attempts in terminal with the following commands:
go to terminal
type yellowsn0w -c
type yellowsn0w -r
type yellowsn0w -q

It works in Hong Kong, using PCCW sim card and network.

Can't test data, as I don't subscribe to any of that here.
 
100% working

Finally Tmobile USA ....100% functioning...

Incoming/Outgoing/Edge/Wifi......Everything works....Took 12 hrs....YAYYY done!
 
What's the benefit of unlocking your iphone when your still locked into a contract, like AT&T?

I think it depends on your needs. For myself, I travel to France and Switzerland frequently for business. Now I can use a local carriers SIM and not pay ATTs international service rates.

-JB
 
After multiple attempts in terminal with the following commands:
go to terminal
type yellowsn0w -c
type yellowsn0w -r
type yellowsn0w -q

It works in Hong Kong, using PCCW sim card and network.

Can't test data, as I don't subscribe to any of that here.

Hi jamestemroot! How do you do this? how do you acces to the terminal? any special software??
 
That's the same procedure I followed, but switching to airplane mode and back never bring back the phone to life. But reboot via boss pref did the trick (also for three network, you need to switch on 3G by before rebooting)

Good luck
How do you reboot via boss pref?? is this a special software??
 
Hi jamestemroot! How do you do this? how do you acces to the terminal? any special software??

Download the MobileTerminal package via Cydia (http://apt.saurik.com), after installation open up the app and key in the commands as per jamestemroot's reply. I tried this myself but I can't say I had too much luck with it

How do you reboot via boss pref?? is this a special software??

Download the BossPrefs package Via Cydia (http://apt.bigboss.us.com/repofiles/cydia/), after installation open up the app and press the power button at the bottom of the screen, it will then give you the option to reboot. I've just discovered SBSettings which is basically the new BossPrefs or as the BigBoss site says...the future of BossPrefs.
 
0.9.4 certainly did the trick for me after numerous installation attempts and much insertage, I have [well had] a US iPhone 3G locked to AT&T that I bought when I was across the pond way back in August of last year which has been sitting in its box ever since, not anymore though...it's now up and running on O2 :D
 
hi

hi and happy new year to all,this morning i got thru cydia and update on yellowsnow the 9.4 and i installed on my iphone,otho i had the same trubles as all of u after i upgrade the yellowsnow i try to install a t-mobile sim in to my iphone, and the good news is, i got it wok :D:D:D,what i did i just switch off the 3G and data roaming,and i manage to establish connection with t-mobile, and the most fun part is that the sim i try is a prepaid cart :D:D:D:D:D.
i hope that work for u all and enjoy it
 
I successfully jailbroke my 3g iphone but am unable to find yellowsnow. Can you please tell me step by step what to do next? I tried searching for yellowsnow in Cydia but nothing came up. Where is it? Thanks and I am a total novice.
 
hi

I successfully jailbroke my 3g iphone but am unable to find yellowsnow. Can you please tell me step by step what to do next? I tried searching for yellowsnow in Cydia but nothing came up. Where is it? Thanks and I am a total novice.

Open cydia go to Manage>Sources open
on the top off urscreen u see EDITtap and open
left top u will see the word Add click there
u will see a pop up window
add ( the last 0 is zero on the yellowsnow word)
the click ok and u will have the yellowsnow on ur cydia.
for more information go i iclarified and watch the demo vid

good luck
 
Open cydia go to Manage>Sources open
on the top off urscreen u see EDITtap and open
left top u will see the word Add click there
u will see a pop up window
add http://apt9.yellowsn0w.com ( the last 0 is zero on the yellowsnow word)
the click ok and u will have the yellowsnow on ur cydia.
for more information go i iclarified and watch the demo vid

good luck


I do not have access to wireless internet .... how can I get the yellowsn0w app??
 
Open cydia go to Manage>Sources open
on the top off urscreen u see EDITtap and open
left top u will see the word Add click there
u will see a pop up window
add http://apt9.yellowsn0w.com ( the last 0 is zero on the yellowsnow word)
the click ok and u will have the yellowsnow on ur cydia.
for more information go i iclarified and watch the demo vid

good luck

Thanks so much, that step-by-step site walked me through perfectly. To get the Telcel SIM to work here in Mexico, I did have to do a reset but within a minute the Telcel name popped up. Can now make and receive calls and text messages.
Next question is: I travel back and forth to the US frequently and want to be able to swap SIMs at the border. Will my original AT&T SIM work in my other Motorola quad band that I have been using in Mexico?
 
hi

Thanks so much, that step-by-step site walked me through perfectly. To get the Telcel SIM to work here in Mexico, I did have to do a reset but within a minute the Telcel name popped up. Can now make and receive calls and text messages.
Next question is: I travel back and forth to the US frequently and want to be able to swap SIMs at the border. Will my original AT&T SIM work in my other Motorola quad band that I have been using in Mexico?

so far i know yes u can use both SIMs,but i hope ur motorola is not locked phone like the iphone,if is SIM free phone any cart sould work on ur motorola
 
You guys need to watch the direct linking of the dev team's yellowsn0w repository url, as they explicitly stated not to post links anywhere, only that you link to their post. Maybe we can have a mod remove the links mentioned here?
 
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