I used to user the Chrome developertools, and then typed /one/one.app to see the Salesforce 1 view and I was able to select between different devices etc. This now doesn't work anymore, and I get the following error:

You can't access Lightning Experience

The page you're trying to access is available from the Salesforce1 mobile app only. Please try again from a supported mobile device. Need help? Ask your Salesforce admin.

Any ideas how I can fix this? Tia.


Reason for this one/one.app is reserved for lightning experience.

After Winter 16 you can't use one/one.app

If you want to use mobile version then use emulator.

Salesforce1 Sandbox Simulator https://chrome.google.com/webstore/detail/salesforce1-sandbox-simul/mgknkgnenlhghpfpdcohmgiejlcaapih?hl=en

Salesforce1 Simulator https://chrome.google.com/webstore/detail/salesforce1-simulator/cknbjckicenodbiaejbmkjhldffonggp


You can still use one/one.app without inspect element and changing to mobile view.

1)Download chrome extensions like agent switch .

2)Change your user-agent to IPad or IPhone.

3)Enter one/one.app to find it working


Also in addition to Ratan's answer you can still use one/one.app

Just follow simple steps.

  1. right click > Inspect element .
  2. Now click on mobile icon and select any mobile.
  3. now open in one/one.app. it will work without any problem.

Here is the reference of what i suggest.

Cheers :)

  • is it, still we can use this really ? @Tushar – Ratan Paul Dec 1 '15 at 10:47
  • @Ratan Yes we can use this. currently i am using this. You can check it. – Tushar Sharma Dec 1 '15 at 10:47
  • The inspect element solution takes me to the same screen as the developer tools one. It doensn't work for me and I get the error message that I have posted in my original post. – Lily Dec 1 '15 at 11:08
  • did you select any mobile. Because ratan just test this thing and it is working as expected. – Tushar Sharma Dec 1 '15 at 11:10
  • 1
    @Ratan Tushar Under the hood sfdc looks for browser user agent.Phones and Tablets have different User Agents than browsers . – Mohith Shrivastava Dec 1 '15 at 13:01

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