Just got a 6. Previously, on my 4S, I never had to re authenticate if I checked "remember-me" or whatever that check-box is. Now I'm asked to re-enter my credentials at least daily. Is there a setting I need to change on my end, or possibly a change TA made that was coincidental to the timing of my new phone??

Any help would be appreciated. Thanks and Gig 'em.

Thanks!

Sorry for the delay, finally getting chance to try your fix. It isn't working for me either. In the thread you linked, you said:

if the header bar is the lighter gray...
In iOS7 & iOS8, make sure under Settings > Safari > Block Cookies you have From third party... or Never.
In iOS6, make sure under Settings > Safari > Accept Cookies you have From visited or Always
Sometime this gets reset during an iOS update.
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I'm on iOS8.2. I see Settings > Safari > Block Cookies. Default is "Allow from Websites I visit". If I switch to "Always Allow", this happens:

• Start with I'm already logged in to TA Premium board
  
• I log out and close the tab
• open new tab, login, check "remember me"
• I get into the premium board, but it doesn't recall any of my information of which threads I've read or not read. Every thread is non-green as if I've already read them (I haven't). If I then click on any thread, I get the login page again.

I think I was browsing in private and didn't realize it. Should be good now; sorry for the thick-headedness.