I was a big fan of Oneplus but with the latest model 9 I just want to cry!I started with Oneplus 6 and I even bought my partner a Oneplus Nord. Last November I bought the Oneplus 9 256GB and this phone is just causing issues.First problem came in January, upgrading to android 12, my whole phone was unresponsive after the upgrade, so I had to downgrade the firmware to Android 11 via the Oneplus website.I have a 5G simcard which works fine in other phones, but when placing the sim in the Oneplus 9 no 5G is getting detected.I wish I have not upgraded my phone and now I cant return or get a refund anymore because I passed the 30 days of return.
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