After about 6 months of using the OnePlus 9 Pro, the power button stopped working. I sent it for repair. A few days later I got a cost summary. It said my screen, back cover and all cameras had to be replaced and it would cost me over €500! I contacted OnePlus customer service about this, and all they had to say was that the costs were this high because there was water damage, which is absolute bulls***. I told them to send my phone back without repairing anything, and I got it sent back a few days later. Since I bought my phone at a T-Mobile store, I dropped it off at the T-Mobile store, since they have their own repair service. They saw that it was indeed not water damage, and it was a faulty motherboard. They replaced the motherboard and now the device is working fine. I guess the OnePlus customer service just wanted €500 and told me it was water damage because then it would not be covered by the warranty.
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