Just minutes earlier, Apple seeded iOS 5 beta 4 for iPhone, iPad and iPod touch to developers. You can now download iOS 5 beta 4 for your iOS device, if you're a developer that is, from the developers portal. This guide will teach you how to install iOS 5 beta 4 on iPhone, iPad and iPod touch.
The first thing you need to know about iOS 5 beta 4 is that this also comes as an OTA update. iOS 5 OTA updates mean that you don't need to download iOS 5 beta 4 ipsw whole in this case, only the changes will be sent to your device that is running iOS 5 beta. The download iOS 5 beta 4 size will depend upon the changes being sent. SO if you're already running iOS 5 beta 3, here's how you update iPhone, iPad or iPod touch to iOS 5 beta 4 Over-The-Air.
Step 1: Go to the Settings.app followed by General.
Step 2: Tap on Updates. It will automatically prompt you that an update is available.
Step 3: Accept it and iOS 5 beta 4 will begin downloading straight on your device itself.
Alternatively, you can also use the following method to install iOS 5 beta 4 on your iOS device using your computer.
Step 1: Download iOS 5 beta 4 ipsw for iPhone, iPad and iPod touch
Step 2: Download iTunes 10.5 beta 4 for both Windows and Mac.
Step 3: Plug in your device to the computer. Be sure to back it up.
Step 4: If you are on Windows press and hold the Shift key and click on Restore. If you're on a Mac press and hold the alt key and click on Restore
Step 5: Select the iOS 5 beta 4 ipsw that you previously downloaded.
Step 6: Sit back, relax and let iTunes install iOS 5 beta 4 on your iPhone, iPad or iPod touch.
A couple of notes: If you're using a software unlocked iPhone, you must stay away from stock iOS 5 beta firmware at all costs. You will lose your unlock. Officially unlocked or carrier locked iPhones can be upgraded without any difficulties. Also, if you don't have an idea of what problems one can have with beta firmware, don't just upgrade for the sake of upgrading.
That's all you need. If you face any problems at any step of the procedure, don't hesitate to ask us for help. Our team will help you out immediately.