Guides

A Great set of guides below from Jailbreaking to Unlocking, and also download official Apple iPhone firmwares

Test

Jailbreaking

How to Jailbreak Your iPhone,iPod Using BlackRa1n (Mac)
These are instructions on how to jailbreak your iPhone and iPod touch using BlackRa1n for Mac.

How to Upgrade your Jailbroken iPhone 3G[S] to OS 3.1 using PwnageTool (Mac)
Instructions on how to upgrade your jailbroken iPhone 3GS from OS 3.0.x to OS 3.1 using PwnageTool for Mac.

How to Jailbreak your iPhone 3G on OS 3.1 using PwnageTool (Mac)
Instructions on how to jailbreak your iPhone 3G on the new 3.1 firmware using PwnageTool for Mac

How to Jailbreak your iPhone 3G[S] on OS 3.0.x using Redsn0w (Mac)
Instructions on how to jailbreak your iPhone 3G[S] on 3.0.x firmware using Redsn0w for Mac

How to Jailbreak your iPhone 3G[S] on OS 3.0.x using Redsn0w (Windows)
Instructions on how to jailbreak your iPhone 3G[S] on 3.0.x firmware using Redsn0w for Windows

How to Jailbreak your iPhone 3G[S] on OS 3.0 using PurpleRa1n (Mac)
Instructions on how to jailbreak your iPhone 3G[S] on 3.0 firmware using PurpleRa1n for Mac (Intel Only)

How to Jailbreak your iPhone 3G[S] on OS 3.0 using PurpleRa1n (Windows)
Instructions on how to jailbreak your iPhone 3G[S] on 3.0 firmware using PurpleRa1n for Windows

How to Jailbreak your iPhone 3G on OS 3.0.x using Redsn0w (Windows)
Instructions on how to jailbreak your iPhone 3G[S] on 3.0.x firmware using Redsn0w for Windows

How to Jailbreak your iPhone 3G on OS 3.0.x using Redsn0w (Mac)
Instructions on how to jailbreak your iPhone 3G[S] on 3.0.x firmware using Redsn0w for Mac

Unlocking

How to unlock the iPhone 3G, 3Gs using Blacksn0w
Tuesday, 3rd November 2009, 11:11 pm
Instructions on how to unlock the iPhone 3G and 3GS using BlackSn0w right from your iPhone using Cydia.

How to Jailbreak and Unlock your iPhone 3G, 3Gs using Blacksn0w (Windows)
Tuesday, 3rd November 2009, 11:11 pm
These are instructions on how to jailbreak and unlock your iPhone 3G and 3GS using BlackRa1n and BlackSn0w for Windows.

How to Jailbreak and Unlock your iPhone 3G, 3Gs using Blacksn0w (Mac)
Tuesday, 3rd November 2009, 11:11 pm
These are instructions on how to jailbreak and unlock your iPhone 3G and 3GS using BlackRa1n and BlackSn0w for Mac.

How to Unlock/Jailbreak Your iPhone 2G on OS 3.1.2 Using PwnageTool (Mac)
Tuesday, 15th September 2009, 09:09 pm
Instructions on how to unlock and jailbreak your 2G iPhone on the new 3.1 firmware using PwnageTool for Mac

How to Unlock the iPhone 3GS Using PurpleSn0w
Tuesday, 14th July 2009, 01:07 am
Instructions on how to unlock the iPhone 3GS for use with any GSM cellphone carrier using PurpleSn0w

How to Unlock the iPhone 3G, 3GS Using UltraSn0w
Tuesday, 23rd June 2009, 11:06 pm
Instructions on how to unlock the iPhone 3G and iPhone 3GS for use with any GSM cellphone carrier using UltraSn0w.

How to Unlock/Jailbreak Your iPhone 2G on OS 3.0.x Using RedSn0w (Windows)
Saturday, 20th June 2009, 07:06 am
Instructions on how to unlock and jailbreak your iPhone 2G on the 3.0.x iPhone firmware using RedSn0w for Windows.

How to Unlock/Jailbreak Your iPhone 2G on OS 3.0.x Using RedSn0w (Mac)
Saturday, 20th June 2009, 05:06 am
Instructions on how to unlock and jailbreak your iPhone 2G on the 3.0.x iPhone firmware using RedSn0w for Mac.

Firmware

Here is a full list of official iPhone firmwares with direct links from Apple

1.0.0: iPhone1,1_1.0_1A543a_Restore.ipsw
1.0.1: iPhone1,1_1.0.1_1C25_Restore.ipsw
1.0.2: iPhone1,1_1.0.2_1C28_Restore.ipsw
1.1.1: iPhone1,1_1.1.1_3A109a_Restore.ipsw
1.1.2: iPhone1,1_1.1.2_3B48b_Restore.ipsw
1.1.3: iPhone1,1_1.1.3_4A93_Restore.ipsw
1.1.4: iPhone1,1_1.1.4_4A102_Restore.ipsw
2.0.0 (2G): iPhone1,1_2.0_5A347_Restore.ipsw
2.0.0 (3G): iPhone1,2_2.0_5A347_Restore.ipsw
2.0.1 (2G): iPhone1,1_2.0.1_5B108_Restore.ipsw
2.0.1 (3G): iPhone1,2_2.0.1_5B108_Restore.ipsw
2.0.2 (2G): iPhone1,1_2.0.2_5C1_Restore.ipsw
2.0.2 (3G): iPhone1,2_2.0.2_5C1_Restore.ipsw
2.1.0 (2G): iPhone1,1_2.1_5F136_Restore.ipsw
2.1.0 (3G): iPhone1,2_2.1_5F136_Restore.ipsw
2.2.0 (2G): iPhone1,1_2.2_5G77_Restore.ipsw
2.2.0 (3G): iPhone1,2_2.2_5G77_Restore.ipsw
2.2.1 (2G): iPhone1,1_2.2.1_5H1_Restore.ipsw
2.2.1 (3G): iPhone1,2_2.2.1_5H11_Restore.ipsw
3.0.0 (2G): iPhone1,1_3.0_7A341_Restore.ipsw
3.0.0 (3G): iPhone1,2_3.0_7A341_Restore.ipsw
3.0.0 (3GS): iPhone2,1_3.0_7A341_Restore.ipsw
3.0.1 (2G): iPhone1,1_3.0.1_7A400_Restore.ipsw
3.0.1 (3G): iPhone1,2_3.0.1_7A400_Restore.ipsw
3.0.1 (3GS): iPhone2,1_3.0.1_7A400_Restore.ipsw
3.1.0 (2G): iPhone1,1_3.1_7C144_Restore.ipsw
3.1.0 (3G): iPhone1,2_3.1_7C144_Restore.ipsw
3.1.0 (3GS): iPhone2,1_3.1_7C144_Restore.ipsw
3.1.2 (2G): iPhone1,1_3.1.2_7D11_Restore.ipsw
3.1.2 (3G): iPhone1,2_3.1.2_7D11_Restore.ipsw
3.1.2 (3GS): iPhone2,1_3.1.2_7D11_Restore.ipsw
3.1.3 (2G): iPhone1,1_3.1.3_7E18_Restore.ipsw
3.1.3 (3G): iPhone1,2_3.1.3_7E18_Restore.ipsw
3.1.3 (3GS): iPhone2,1_3.1.3_7E18_Restore.ipsw

Here is the official iPod firmwares from Apple

1.1: iPod1,1_1.1_3A101a_Restore.ipsw
1.1.1: iPod1,1_1.1.1_3A110a_Restore.ipsw
1.1.2: iPod1,1_1.1.2_3B48b_Restore.ipsw
1.1.3: iPod1,1_1.1.3_4A93_Restore.ipsw
1.1.4: iPod1,1_1.1.4_4A102_Restore.ipsw
1.1.5: iPod1,1_1.1.5_4B1_Restore.ipsw
2.0.0: iPod1,1_2.0_5A347_Restore.ipsw (Must purchase through iTunes)
2.0.1: iPod1,1_2.0.1_5B108_Restore.ipsw
2.2.0 (1G): iPod1,1_2.2_5G77_Restore.ipsw
2.2.0 (2G): iPod2,1_2.2_5G77a_Restore.ipsw
2.2.1 (2G): iPod2,1_2.2.1_5H11a_Restore.ipsw
3.1.2 (3G): iPod3,1_3.1.2_7D11_Restore.ipsw
3.1.3 (3G): iPod3,1_3.1.3_7E18_Restore.ipsw