Upgrade iDevice to iOS 11 Beta 2 Using 3uTools

06/27/2017

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Apple has released iOS 11 beta2 to developers for download. This beta version of iOS 11 contains bug fixes and improvements.The build number is 15A5304i.

Step1: Download and install the latest 3uTools on your PC. Before upgrading, you should backup your iDevice. Click here to check the details. Connect your iPhone to PC with a cable. Then please click the button ”Flash & Jailbreak”→ click the button “Easy flash”.

( If you want to retain the data, please select the option " Retain User's Data While Flashing".)

Step2: Select the firmware iOS 11 beta2 , and then click the button “Flash”. (If you have downloaded the firmware, you need to firstly import it to your PC, and then flash your iPhone).

Upgrade iDevice to iOS 11 Beta 2 Using 3uTools

Step3: Keep a good connection between iDevice and PC, and then just wait until this process is finished.