Hi guys,
I think i should skip the introduction because it will be like long-time-no-see kinda thing yet again .. so .. screw it !
So, lot of people ask me (really?) about this iphone jailbreaking stuff and I'm glad they do because I think I know a lot about this stuff. (I think ..)
There is a few things that first have to be considered if you are jailbreaking and unlocking your iphone. Which is:
1.The model, whether it would be 3g, 3gs, or 4
2.Your current iphone firmware
3.Your modem firmware or known as bb (baseband)
4.Whether or not you ever jailbroken your iphone
So, a lot of my friends usually are in need to unlock their iphone so that they can use it with any sim card.
If you want to unlock your iphone, you have to make sure your baseband is not higher than 5.13.04 for 3g or 3gs (for the time being).
By any chance if your baseband is higher than that you might be screwed. But there is still way.
You can upgrade your 3g and 3gs to ipad baseband which is 6.15.00, which i do not recommend because you might have GPS problem. Especially 3gs with new bootrom. For 3gs case, once you upgrade to ipad baseband, you cant ever DOWNGRADE it again (at least for now). For 3gs user, there is still way to downgrade from ipad baseband but i won't discuss about it right now.
For iphone 4 user, if your baseband is higher than 1.59.00, you cant upgrade to ipad baseband but I'm afraid you need to buy gevey sim to unlock your iphone without jailbreaking it. There some tutorial on how to use gevey sim all over the internet. Google is your friend, yahoo might too.
I believe some people out there still afraid of losing their unlock if their upgrade their iphone to later firmware. Don't worry. You CAN PRESERVE YOUR BASEBAND if you restore your iphone to custom firmware. To build custom firmware, you might need 'sn0wbreeze' to do that ( I assume that u all are windows users).
In case you never preserve your baseband, you should now that the only unmodified firmware that have unlockable baseband is till 4.0.1 . If your firmware is higher than that and you never got your baseband preserved, no .. your iphone is not unlockable except if you upgrade it to ipad baseband. (which you need redsn0w to do that)
To unlock (if your iphone meets the requirement), just install ultrasn0w in cydia for free.
Frankly, the conditions needed for unlocking is quite tough and is the pain in the ass. Jailbreaking needs less conditions n less complicated. You can almost jailbreak any firmware nowadays.
But there is still case when the latest firmware you are at is unable to be jailbroken, what is your option ? Well, if you cant wait for new jailbreak than I guess you need to downgrade.
So, whats the drill ? What is needed to downgrade your iphone ?
To downgrade, you have to be sure whether or not your iphone ever being jailbroken. Everytime when you jailbreak, you will have this app called cydia which will automatically installed. Cydia will upload your current firmware's shsh file to their servers so that you can downgrade to this current firmware again if you ever accidentally upgrade your iphone to later firmware that is unable to be jailbroken. You need the shsh file so u can downgrade.
That is just the condition. To downgrade, you need 'tinyumbrella' and of course itune. I'm just explaining the whole process roughly.
And you have to know that the backup you made from later firmware cannot be restored to lower firmware. You have to take the consequences or be smart and find the way how to overcome this yourself or you can ask me and drop some comments.
There is a few ways to jailbreak whether to modify the original firmware with sn0wbreeze, jailbreak it with redsn0w or greenp0ison accoding to the firmware availability.
There are many good websites that offer nice tutorials on the internet like *
Some important websites are :
1.Redsnow -http://blog.iphone-dev.org/
2.Sn0wbreeze - http://ih8sn0w.com/index.php/welcome.snow
3.TinyUmbrella -http://thefirmwareumbrella.blogspot.com/
4.Greenp0ison -http://greenpois0n.com/
If there is any request for ps3 unlocking tutorial, just drop some comments and let me now. Because I dont see any proper tutorial on the internet and I intend to do some nice tutorial. (really?)
That's all for now. Any Question ?
