It’s Monday and Apple has just released a new beta version of iOS to developers. iOS 12.1.2 beta 1 has just been released to developers, which will contain mostly bug fixes and minor improvements over iOS 12.1.1. Anyone can download and install it right now by either downloading the IPSW file and installing it with iTunes or updating over the air on your device after installing the OTA profile below.
Requirements and Notes:
- iTunes 12 or higher must be installed (for method 1).
- This is a beta version, therefore it will likely have some bugs. Make sure to backup before updating.
- Download the latest iOS 12 beta IPSW from the links above.
- Plug your device into your computer and open iTunes
- Backup your data before attempting to update.
- Select your device from the lefthand menu of iTunes.
- Hold down Shift (Windows) or Alt/Option (Mac). While doing this, click the ‘Update’ button. You will then be prompted to select the IPSW file you wish to update to. Select the iOS 12 beta version you downloaded before.
- Your device will now begin to update to iOS 12.
- Navigate to the iOS 12 beta download page linked above on your iPhone, iPod touch or iPad using Safari.
- Scroll down to ‘Over the Air Profile’ and select the iOS link. On the next page, click ‘Download’
- You will be prompted to install the ‘iOS Beta Software Profile’. Tap ‘Install’ three times to install the profile on your device, then reboot your device to make sure the profile takes effect.
- Once your device has rebooted, open the Settings app and navigate to General>Software Update. In here you should see iOS 12 Beta.
- Tap on ‘Download & Install’. iOS 12 beta will now begin to download and install on your iPhone, iPod touch or iPad.