My S9 update yesterday was a complete disaster from auto reject of all calls, visit to UbreakIfix store, GPS not working, Wifi not working anymore and worst of all, the refresh deleted all of my latest contacts, all calendar data, Voicemails that I saved, and Chrome bookmarks with all account info. Needless to say, I will never update another Samsung phone. Samsung tech support wants me to ship the phone to them for 9 days turnaround without any loaner (yeah it’s in Warranty too.) I made the mistake of buying it outright directly from Samsung (another big mistake.) Backing up what I have and factory resetting this junk. If that doesn't work then it's the dreadful iPhone time unfortunately - but better than losing everything with the horrible support.
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