[Q] Boost Desire 510 ***Tampered*** but ***unlocked***, no OS topic

I'm a newbie. I accidently deleted a system app that must've been important, because my phone would stall on boot. I did a bad flash. Stuck in recovery mode.

Phone recovery screen looks like this

***TAMPERED***
***UNLOCKED***

A11_CHL PVT SHIP S-ON
HBOOT - 3.19.0.0000
RADIO - 1.46.40.0721
OPENDSP V28.2.2.00546.0331
OS-
eMMC-boot 1024MB
Aug 13 2014, 19:49:43.0

HBOOT....
etc, etc

I have no idea what to do. Any help would be appreciated.