Here's an official changelog for recently released iOS 4 for iPhone and iPod Touch:

This update contains over 100 new features, including the following:

• Multitasking support for third-party apps*
– Multitasking user interface to quickly move between apps
– Support for audio apps to play in the background
– VoIP apps can receive and maintain calls in the background or when device is asleep
– Apps can monitor location and take action while running in the background
– Alerts and messages can be pushed to apps using push and local notifications
– Apps can complete tasks in the background
• Folders to better organize and access apps
• Home screen Wallpaper*
• Mail improvements
– Unified inbox to view emails from all accounts in one place
– Fast inbox switching to quickly switch between different email accounts
– Threaded messages to view multiple emails from the same conversation
– Attachments can be opened with compatible third-party apps
– Search results can now be filed or deleted
– Option to select size of photo attachments
– Messages in the Outbox can be edited or deleted

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Good news from DevTeam. They just announced via twitter that unlock for firmwares 3.1.3 and 4.0 is ready:

RT @MuscleNerd: ultrasn0w tips: 1) Works for all basebands since 3.0 FW 2) Remember to disable 3G on T-Mobile USA

ultrasn0w 0.93 released! Cydia repo is repo666.ultrasn0w.com. Works with basebands 04.26.08 thru 05.13.04

This means, that all users with basebands 04.26.08, 05.11.07, 05.12.01 and 05.13.04 can use ultrasn0w 0.93.

There is no jailbreak for just released iOS4, so you need to wait a bit. Firmware 3.1.3 who need unlock can update ultrasn0w and use their iPhones with any carrier.

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Apple has just released iOS4: the highly anticipated operating system update for iPhone and iPod Touch. The update is free for both iPhone and iPod Touch. Some functionality is limited for some models. For example multitasking will not work on iPhone 3G.

You can download iOS 4 now by connecting your device to iTunes and hitting Check for Update. The other option is to download it directly. Here are the links:

iPhone 3GS

iPhone 3G

iPhone 4

iPod Touch 2G

iPod Touch 3G

For other earlier models, like iPhone 2G, there is no iOS 4. The version for iPad is on its way. Stay tuned.

Using a popular BlackBerry and iPhone messenger WhatsApp you can now make use of its new ability to forward individual messages or delete them.

WhatsApp is a smartphone to smartphone messenger and it currently runs on BlackBerry and iPhone. With the help of push notifications utilized by this application you can instantly receive messages from your colleagues, friends and family. It’s a great alternative to SMS because WhatsApp allows you to send and get messages, audio notes, pictures and video messages without having to spend a cent. All WhatsApp features are included in the base price and you won’t need to make any extra purchases for the application.

The new version of WhatsApp features:

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Finally, Microsoft has released Windows Live Messenger application for iPod touch and iPhone. Here is a shortlist of actions it allows to perform:

• Instant messaging;
• Viewing and commenting friends' status updates and photos from Windows Live, MySpace, Facebook and some other;
• IM notification even if the app is closed;
• Uploading photos from the phone for sharing;
• Accessing Hotmail accounts.

The app is free and may be downloaded here.

If you just want to know about all new iOS4 features quickly here's a great video that introduces iOS4 in 10 minutes. iPhone 3GS is used in this video. If you have iPhone 3G or iPod Touch 2G you won’t get the multitasking.

Let's watch:

via tipb

UPDATE: Learn iPhone 4 in 10 min: video quick-start guide

Skype is developing a multi-tasking iOS 4 compatible version of its VoIP app for the iPhone. The company promises the new version will use all the new features of the new iOS 4.

However the new version won’t be introduced until people from Skype will be confident the app meets all expectations. That means no due date yet.

Thermaltake Technology company has a devision called LUXA2, which has many interesting luxury products. The recent interesting one is LUXA2 H4 - the Apple iPad solid-aluminum holder.

The holder looks really nice and is well manufactured. The main material is aluminum. The design is great and reminds us different Apple products, especially the iMac stand. LUXA2 H4 holds the iPad with two short and two V-shaped arms, that have six rubber nubs. The nubs tightly grip the iPad without scratching it. The user is able to adjust the width of the stand by pulling these arms. That's why LUXA2 H4 fits not only for the iPad, but can hold Amazon Kindle and many other eBook readers and tablets. This gives the H4 additional advantage over other stands on the market.

The holder also allows 360-degree rotation and 300-degree vertical adjustment. So there is no problem putting iPad at the right angle. Setting the iPad in portrait or landscape orientation is really very easy. However be careful rotating the device, since there are no V-shaped arms on the top.

LUXA2 H4 is great for internet browsing, ebook reading, watching movies and even gaming. It looks especially good when used with iPad and external keyboard.

Specifications:

• Height: 206mm (8.12 inches)
• Width: 151mm (5.98 inches)
• Depth: 138mm (5.44 inches)
• Weight: 446g / 0.98 lbs.
• Adjustable Angle: 360° (Rotated) and 300°(Vertical)

LUXA2 H4 costs around $59.99. The list of distributors is available here.

Here are more photos and video with LUXA2 H4:

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Another iPhone 4 has been discovered in the world, and this time the place is the Czech Republic! We already know what the external design of the iPhone 4 looks like but thanks to some Czech folks from the website called Jablickar.cz we now have something much more!

The official photographs taken under optimal conditions by the iPhone 4 are already out but what about the iPhone 4 potential in real conditions? Now we’ve got exclusive images taken with the rear camera as well as an HD-quality video.

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Since the first iPhone was launched, Apple has been making efforts to hide from the customers some of the actual technical specs of the device. The company has never advertised, let alone published the amount of RAM or the processor speed of the iPhone. Supposedly, the company doesn’t want to distract the customers with these technical details and just tries to focus on the actual functionality of the device.

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According to Mobile Mix Survey, conducted in May by advertising agency Millennial Media, 56% of all developers in the USA write software for Apple’s mobile platform iOS. This is almost as twice as more than Google’s Android developers. 5% goes to Nokia’s Symbian and 4% of devs work on software for RIM’s BlackBerry OS.

But there are more surprising facts unveiled in the survey.

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Yesterday Apple presented new version of the MobileMe subscription service alone with its new design and Find My iPhone application.

New version of the MobileMe mail was in beta since May, and those who wanted to try it had already had an opportunity. Here is a shortlist of innovations:

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On June, 4 Apple sent a letter to the FCC (Federal Communications Commission) with request to keep new iPhone’s photos and any information about it in secret for forty five days.

Though this is a standard practice for Apple, the situation looks pretty strange as the device’s internals had been already revealed with numerous prototype leaks. But Patently Apple, the company that obtained and published the letter, found the explanation in the document itself:

“Although Apple has begun to market the device publicly, these documents reveal technical and design information that has not yet been publicly disclosed in such marketing and that is protected by Apple as confidential and proprietary secrets”.

AppleInsider created a list of new iPhone’s technical details and features that Apple may want to keep in secret for a while. It includes new features of A4 SoC, details of new frame antenna, new cellular radio support for pentaband UMTS (850/900/1700/1900/2100MHz) 3G bands, details related to possible support of T-Mobile (AWS UMTS IV band) and Verizon/Sprint (CDMA/EVDO) networks.

A new Apple’s patent application entitled “Digital Radio Tagging Using an RF Tuner Accessory” has been revealed this week. It describes an HD Radio technology that may be later delivered to iPod touch and iPhone and gives its users greater flexibility in interaction with broadcast media. Nowadays HD Radio is a trademarked wireless radio format that allows FM and AM radio stations to simulcast analog and digital audio at the same time on the same channel. Currently it is owned by iBiquity.

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When Gizmodo showed new iPhone's prototype most of us stopped expecting from Jobs anything shocking on WWDC 2010. But he amazed us, and not only with new display's resolution, FaceTime function and 802.11n support, but also with gyroscope. Many developers instantly realized - this is a new breakthrough.

While conventional accelerometer measures linear acceleration as a change of direction apart a change in velocity, a gyroscope measures angular acceleration, or in other words, a change in both direction and velocity at the same time. Thus the device can sense its rotation while ignoring hand jitters and linear movements, which is impossible for accelerometer.

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