I also have Solos. If I loosen the tank, push the fireplace button to find the no atomizer message, turn the mod off, tighten the tank, and switch the mod back on, I get that information. I just did that and it explained Old Coil 0. All I will say https://geekvapeaq78788.jaiblogs.com/58560290/a-secret-weapon-for-geekvape-aq