I have an S9 (SM960U). According to IMEI check, it was originally a Sprint phone (now unlocked, working on Cricket Wiresless) , warranty beginning Sept 20, 2018. There have been NO updates at all. The last Security Patch was dated Sept 1, 2018. It is still on Android 8 (Pie). I have tried every recommended workaround (manual update, PC Smart Switch, Wipe Cache, Factory Reset, etc). All attempts return a "Software is the latest" message. Very frustrating. Any thoughts? I'm not sure where to go next. I love this phone, but I'm wondering if Samsung was the way to go.
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