If memory serves, deflock is effectively just a front end of all the data amassed on open street maps for these types of cameras and such.
Im not sure what the situation is of course, but it's worth knowing that as long as that data remains, deflock can be rebuilt to show just the camera data once again.
Obviously though, id prefer that to not be the case and maybe the device hosting just needed a nap or upgrade.
Open up textra itself like youre going to text someone but havent chosen who yet, hit the three dots in the top right, settings, under messaging is MMS. Carrier send limit is in there.