This method does not require computer you need a just good internet connection. in ios11 beta 1 huge bugs are there in ios11 beta 2 those bugs are improved.
Follow the step given below to get ios11 beta2
step 1: – install ios11 beta2 profile
to install beta 2 profile go to the link given below ( open in Safari )
when you open the link in Safari you want to click ios 11(update) button.
- once you click ios11(update) button you will directly go to install profile page.
- now click the Install button.
- after that restart requires menu pop up now click the restart button.
- once your device restarted go to setting >general >software update
- once you click software to update your ios 11 beta2 get automatically requested to the server.
- after getting an update request download will automatically be started.
- once download completed hit the install button.
- you were done you get fully functional ios 11 beta2 without losing any data.