If you are using a hactivated iPhone, as in, you are running your iPhone 3.x on an unauthorized carrier, then Push Notifications functionality most probably won’t work properly. There are few fixes available in market, prominent ones include “PushFix” via iPhoneil available in Cydia, but it wasn’t a proper solution and it stopped working after a while as it used a single certificate for many users causing wrong push notifications and battery drainage issues. Later came PushFix Ver.2 which actually worked very well, basically the error/issue which was rectified in new release was that you get a unique certificate for your hactivated iPhone against your mobile EMEI (International Mobile Equipment Identity).

According to an email received by 9to5Mac user, Steve Jobs, CEO of Apple Inc. is still using old iPhone OS 3.1.2 instead of latest iPhone OS 3.1.3 whose Jailbreak with Baseband 05.12.01 is yet to be found! May be Steve don’t want to loose multitasking (Multiflow) on his Jailbroken iPhone

Geohot, the first person who hacked iPhone 2G and PS3 has revealed another flaw in iPhone OS 3.1.3 and he is of the view that those iPhone users who have accidentally or unintentionally upgraded their iPhone OS to firmware 3.1.3 and was unable to Jailbreak their iPhone due to baseband 05.12.01 should not worry anymore. The first exploit in iPhone OS 3.1.3 was found by Sherif Hashim whose App Store ID was banned by Apple couple of days ago.

Credibility of jailbreaking and unlocking tools for iPhone has really become a question! Another jailbreaking tool named Gull1hack has arrived, its developer are claiming that tool will be able to jailbreak iPhone(3G,3GS) and iPod Touch(All models) with new bootrom(05.12.01) and it will be untethered.

F0recast is tool for iPhone OS 3.1.3 which lets you to know your iPhone or iPod Touch serial number, baseband version, bootloader version info and model number. It’ll also inform you about whether your iPhone is unlockable or not? If yes then which tool can be used to unlock your iPhone or iPod Touch like blackn0w or ultrasn0w. Moreover F0recast will also tell you whether you’re jailbreak will be tethered or not.

iPhone’s recent 3.1.3 firmware update hasn’t really been a success for jailbreak users, quite a lot of issues have been reported while upgrading from firmware 3.1.2. Updating to OS 3.1.3 updates baseband of your iPhone as well, it will be 05.12.01. The latest Modem Firmware 05.12.01 baseband is not downgrade-able. So if you accidentally updated your iPhone to OS 3.1.3 and you want to downgrade/revert it back to OS 3.1.2, this guide will help you to do so. Please note that this tutorial is about downgrading iPhone 3G baseband which is currently on 3.1.3 firmware with 05.12.01 baseband and older bootloader 05.08 (5.8). This won’t work with iPhone 3GS.

Sn0wbreeze v1.5 has been released. This is the updated version of snowbreeze, it basically adds support for iPod touch 2G (older models). Sn0wbreeze is a similar to PwnageTool, both create custom .ipsw files for iPhone/iPod Touch. PwnageTool is for MAC users and Sn0wbreeze is for Windows users. So now latest version of snowbreeze supports iPhone 2G,3G,3GS and iPod Touch 1G,2G.

Dev-Team has finally released updated 3.1.5 version of PwnageTool for iPhone 3.1.3 firmware. Custom ipsw files of 3.1.3 firmware can now be created by using PwnageTool 3.1.5. The latest version of tool is for MAC users only, it can jailbreak iPhone 2G,3G,3GS(older bootrom only with baseband 04.26.08) and iPod Touch(1G and 2G non-MC model) running on iPhone firmware 3.1.3. Custom .ipsw firmware files created by PwnageTool would upgrade your iPhone to firmware 3.1.3 without actually updating baseband of your phone, which is required to unlock your phone and run it on any carrier.

Apple has recently released firmware 3.1.3 update. There aren’t many changes in this latest firmware from previous 3.1.2 firmware, but still people are quite eager to upgrade their iPhone/iPod Touch to firmware 3.1.3. The ones who are on official carriers can off course upgrade without any worries, but upgrading to latest firmware isn’t a good idea for those who are using jailbroken/unlocked iPhone or iPod Touch. We warned jailbreak users NOT to upgrade to latest firmware as well, as doing so will alter baseband of their device can lose unlock capability. OS 3.1.3 contains a baseband update 05.12.01 for iPhone 3G and 3GS. The latest Modem Firmware 05.12.01 baseband is not down gradable. So if you accidentally updated your iPhone 2G, 3G, 3GS to OS 3.1.3 and you want to downgrade/revert it back to OS 3.1.2, this guide will help you to do so.

Apple has released firmware 3.1.3, with the release of new firmware, jailbreaking and unlocking tools are emerging as well. Earlier, we shared the procedure to jailbreak iPhone 2G, 3G and 3GS (Older Bootroms Only) with sn0wbreeze on latest iPhone firmware 3.1.3. Snowbreeze actually preserves your older baseband while upgrading your device to the latest iPhone 3.1.3 OS/firmware. We have already shared a tutorial on unlocking your iPhone on 04.26.08 baseband using ultrasn0w. If your iPhone is on 05.11.07 baseband, than this tutorial will help you to unlock your iPhone via blacksn0w.