Purchased iPad Air 1 with home button screen with cracks fixed. They were very cheap ($8). They came with a spare wifi cable (which I didn't need but was good). The 3m tape held up well, but the flexible tape covering the motherboard connectors was old and I had to use my own glue. Apart from this small problem everything was fine. Another person complained that they don't hold up well and don't work. I don't know who the seller was but I've been buying from Fixed Cracks for years and have had almost no problems. The iPad Air digitizers have issues when the ribbon cable isn't folded properly, so I'm pretty sure it was an installation issue. Also, you often need to use extra glue to hold the glass in place (except for 3m tape). Good luck and I recommend repairing the cracks! I have been repairing iPads for 3 years.
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