Device: ZTE Grand X In (Android 4.0.4); Build: Firefox 49 Beta 4 Steps to reproduce: 1. Launch Firefox with a clean profile 2. Close Firefox 3. Reopen Firefox Expected result: At step 1: Welcome screen is displayed Actual result: At step 1: About:home is displayed At step 3: Welcome screen is displayed Note: I was able to reproduce only on this particular device(probably a x86 issue?) This behavior was verified as fixed in bug 1256583 Logs: http://pastebin.com/LnRmiqJq
Does this happen when uninstalling/installing the app or only after clearing app data?
This happen in both cases you've mentioned.
(In reply to Mihai Pop from comment #2) > This happen in both cases you've mentioned. *happens