We're currently investigating this. We need your help in diagnosing the issue.

Would you be interested in joining our beta program to download and install an early Beta (which has diagnosing utilities):

https://docs.google.com/forms/d/1VG9pOntPVhfZWH18ETAZDOahyA6SCbNEpCxBVI-XNJM/viewform

If so, if you install the build and run into the issue, you would be able to send us some diagnosing information.

Settings > Firefox > Debug Settings | 'Email Saved Tab State', and send them to my email address found at https://mozillians.org/en-US/u/AaronMT/

If so, this would be greatly appreciated.

I think this problem start after I try to use or install add on.

I deleted firefox from my ipad and then reinstalled again.

Now it run smoothly, but I did not touch any add on anymore.

I think bug is in third party add on.

Firefox on iOS does not support any form of add-ons. Can you be more specific with what you were doing?

Just now I crash again, I can not run firefox without any doing.

First I used firefox only for four hours continuely.

While I use it, I switch to check mail, it still stable.

But after I switch to use tubex for five or six songs, firefox can not run.

It reject every time I try to run. While I play tubex I feel somethings with thai advertising that run on screen. It seem like hacking.

( tubex is a youtube player)

I have ever seen this problem on tubex too. But problem gone when I register my gmail address. I think they want me to show identity.

Feel red flag :p

Let's try to solve this problem, thanks.