After my mum did a delete dump/logs, now her phone says that there is no sim card. How can we fix this?

[AC Question]

deletedump/logs problem!!

Okay, so my dad and i both have pretty old phones, the first note and the galaxy 2nd. We did the &#9900#, and it worked fine for us, but mum did it and now it says that theres no sim card. Please some help????