Is your iPhone or iPad not saving your password?
Make sure you are not in private browsing mode in Safari.

Fastest way to know if you are in Private Browsing: If your browser is a dark gray color.

Here's what you need to do:

On an iPhone or iPad, open a new browsing page in Safari, then tap 

Tap Private to turn private browsing OFF

Open your ISN mobile, type in your user name, password, check the box to remember your password and log in.

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