I recently bought a tempered glass screen protector with my OnePlus 9. While I'm more than happy with the phone itself, the screen protector itself received a crack about a month after I applied it to the screen. This was with the phone having been in a cover at all times.For a screen protector that cost 239 dkk (€32), you would expect it to last at least 3 months under normal usage. To add fuel to the fire, when I contacted OnePlus's customer service about this, I was met with a stern no on the possibility on any RMA. This is unacceptable, especially when being pretty careful with the phone.
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