This app was mentioned in 4 comments, with an average of 1.50 upvotes
Don't mention it. The cid basically tells what region or carrier the phone was intended for. You can use this app to get the cid. Might find the original rom or at least compatible roms after that.
Try using this. We just need to know what the CID is.
Simple CID Getter app in play store. https://play.google.com/store/apps/details?id=com.andy.simplecidgetter
Apps were intact