Cannot use “Erase All Contents and Setting” in iOS 11 beta , Here's how to fix it

After Apple last iOS release 11 , I downloaded it using beta profile.

But I found that I cannot use “Erase All Contents and Setting”  under Settings.

Here's how to fix it.
1# Remove beta profile .
settings then General then Profile then iOS profile then Delete Profile then Restart iPhone

2# Sign Out  from iCloud

3# Restart iPhone  , and it's ok.

enjoy....

Apple IOS beta Profile to get latest iOS

Apple Beta software :

After installing beta profile to your iOS device , you'll get the latest beta iOS version.

CAUTION : Create A Backup Of Your Data Before Installing Beta Profile !

Here's how to install beta profile:

1# On your iOS  device , launch Safari browser , then go to : https://beta.apple.com/profile/





2# Enter your iCloud data  and Sign in .
You should receive  notification on your other ios devices , and you get a verification number too.











3#After login  download beta  Profile 

4# install it 

5# Restart your device 

6# Go to Setting  ---General - Software- Check for updates--Install updates



download ,install and reboot.

enjoy...

Changing the JDK Compliance Level

Changing the JDK Compliance Level

You can change the compiler compliance level by going to the Java Compiler page as shown in the steps below.
  1. In the Project Explorer view, right-click on the project and then select Properties.
  2. Select the Java Compiler page in the Properties window.
  3. In the JDK Compliance section, select the desired Compiler compliance level.
  4. Click Apply and then Ok.


  5.  
If your project is a facet-enabled project, you will also need to set the Java version in the Project Facets page by doing the following.
  1. In the Project Explorer view, right-click on the project and then select Properties.
  2. Select the Project Facets page in the Properties window. This page lists the facets in the project and their versions.
  3. Select the desired version number for the Java facet.
  4. Click Apply and then Ok.


  5.