My s9 plus was working perfectly. Until I installed the latest update. I went into the Samsung store, turns out I'm not the only person in Australia to have this problem. But it's specific to people in Australia that bought their S9s from Best Buy in the USA. I was told there was nothing they could do about it, except wait for another update, or risk taking my s9 plus to a dodgey shop to reverse the update. My s9+ won't stop lagging, and constantly shows this "IMS system keeps stopping" pop-up notification. The battery life is also terrible and the s9+ is over-heated most of the time. What am I supposed to do? It took me 15mins just to type this out, the lagging and glitching is that bad. I can't find ANY news about these problems or a solution.
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