You have 2 Questions/Issues open please post in this one only, Thank You

Sorry to hear about the crashes and thank you for the crash report ID.

Could you clarify what kind of device that is? I'm not used to seeing this:

Build Architecture : arm Build Architecture Info : ARMv5 Marvell part(0x56001310) features: swp,half,thumb,fastmult,edsp | 1

If Firefox 52.2.0esr won't run, do you recall what was the last version of Firefox that worked normally?