iOS Captive Portal Problems

Every once in a while, my iPhone 6 running iOS 8.2, refuses to automatically bring up a captive portal authentication page. Bringing up a browser didn’t help, because my phone would automatically route data over the cellular network.

The workaround is as simple as disabling "Auto-Login" for the specified network.

  1. Go to Settings → Wi-Fi → <Network> Info
  2. Disable "Auto-Login"
  3. Open Safari or any other web browser
  4. Go to or other unencrypted page (e.g.,

If you use LastPass, this also allows you to use the LastPass extension to auto fill captive portal authentication fields.