The ALS issue was already solved on original screen replacement. After being programmed with a newly developed programmer, the ALS can work well on iOS11.4. Please check our blog for the details: https://blog.rewa.tech/detail/solved-iphone-8-8-plus-x-ambient-light-sensor-issues
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REWA is a world leading electronics repair business solutions provider who was founded in 2008 in HongKong. We are committed to delivering one-stop services covering Sourcing Solution, Technical Support Solution as well as Recycle & Resell Solution.