Here at Broken Care, we specialize in the repair of iPad Air 4 Logic board, iPad repair a dead iPad Air 4. The logic board has an excellent design and is very durable, in most cases they get damaged when third party repair centres or individuals are repairing there own devices. Some of the common faults we see with the logic board are Back-light and Display failure, the components on the logic boards are very small and easily damaged or knocked of during repairs.
Another big killer for the logic board is Water Damage, of course if you reading this then i assume its already to late, but third party chargers are another common cause of Logic Board failure. We notice with the older devices like iPad Air 4, Wi-Fi/LTE that the charge IC (Integrated Circuit) or USB protection IC will blow with third party charger. The newer device like the iPad Air 4 Wi-Fi/LTE or any device really which has a lighting connector will blow the U2 IC or USB protection IC or even worse with these devices the fault could feed right back to the power IC or at worst the CPU. With the iPad the more common faults that we see are back-light and display faults, they do not seem to be just so easily damaged with third party chargers although this by no means suggest you can use a third party charger on your iPad Air 4. Just remember, an original charger and original cable is only dear at the time, the iPad uses a slightly higher powered original charger, we cover all models of these devices.
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