The brief respond to is definitely yes. You may use that jailbreak tool GreenPois0n for your Windows PC the way it may be a easy in addition to simple process.
You will merely have to up grade ones 3GS after which jailbreak it. Please observe the directions bellow to read easy methods to do it.
Note: this is certainly an untethered jailbreak with regard to iPhone 3GS when using the fresh firmware 4.2.1 done with the newest type associated with greenpois0n (RC 5) your windows program jailbreak tool.
First of all your small advise: when you've got an currently unlocked iPhone 3GS you shouldn't use this particular solution. If everyone upgrade as a result of iTunes it's going to update a person's baseband, and you will often be obligated to utilize iPad baseband technique which may be bothersome in most cases.
If you haven't rescued your shsh blobs you shouldn't jailbreak along with GreenPois0n. Those regarding an individual which don't have your shsh blobs will not have the ability to regain to 4.1 firmware.
GreenPois0n jailbreak steps:
1. Here are the inquired downloads: Click in this article to help get a hold of GreenPois0n for Windows PC. Download the 4.2.1 firmware intended for iPhone 3GS here: hyperlink Download Tiny Umbrella to get Windows here.
2. Upgrade ones iTunes in case you have mature version. Start iTunes plus stopper within your iPhone into the computer. When your current iPhone is usually acknowledged up-date that firmware model by way of holding change in addition to clicking on update. When prompted, pick the actual ipsw you might have earlier downloaded (note: obtain that document with Firefox web browser, usually do not unzip it!)
3. If you observe your 1013 mistake do not worry. Click OK
4. Start Tiny Umbrella and decide on the actual "Exit Recovery" option. Your iPhone will certainly reboot today and you might find this crisis name filter as well as connect with itunes message. Turn off your iPhone and begin GreenPois0n
5. Again put your iPhone into DFU setting by following this instructions
6. When greenpois0n recognizes a person's iPhone in DFU mode it will eventually get started jailbreaking it. Please hold out until this is certainly done.
7. When the particular jailbreak is completed your current iPhone will become and you will dsicover that Loader software on the screen.
8. Tapp your Loader software package and also choose Cydia. You jailbreak has been successful. Your 3GS iPhone along with 4.2.1 firmware offers a good untethered jailbreak.
Additional option: If you should uncover and also for you to jailbreak you might today have to deploy the Ultrasn0w unlock. Tap Cydia along with find Ultrasn0w. When you discover you need to installation them plus your iPhone might be unlocked. That will be many folks, now you employ a jailbroken, company revealed to you iPhone 3GS to the 6.15.00 iPad baseband.
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