Ah thanks but looks like the first backup was overwritten (clicked enable hotspot twice) so this file is the modified one. I guess I should have it incrementing the backups and add some logic to the restore to pick from them.Here is the S5 telephony.db.bk
https://www.dropbox.com/s/f3ken4zbffdzu6f/telephony.db.bk?dl=0
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Well if it's not much trouble on the s5 could you click restore via hfa, let it reboot a couple times to finish (you wont loose any data), click enable hotspot, then undo/restore. The telephony.db.bk file will be the one I need after that.
Again much appreciated!