Earlier this month, the Samsung Galaxy Z Flip4 was put through some grueling 'durability testing', comprising of scratching, burning, and (trying to) bend it, and while it did survive and kept functioning, there was some weirdness - popping noises came out when it was bent backwards, and then it wouldn't fully close anymore. That's intriguing for sure, which is why the very same Zack from the JerryRigEverything YouTube channel is at it again, this time disassembling the same unit that went through that test, trying to find the cause of those pops. It's all on video for your viewing...
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