Person
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Zack Nelson, better known by his username JerryRigEverything, is an American YouTuber, internet personality and founder of a business that makes custom and off-road wheelchairs.
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iFixit's iPhone Duo teardown found an easy-to-remove battery and outer screen, earning a repair score of 5 out of 10, but pointed to a stressed hinge junction as the likely source of reported screen cracks.
YouTuber Zack Nelson's JerryRigEverything test found the iPhone Duo's hinge can trap sand and dirt, and its inner AMOLED screen cracked and stopped responding when bent against its fold, despite the frame holding up.