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Got a no image iPhone 6s that recognizes on iTunes. No known damages (device is second hand and pictures were taken after IPA cleaning triggered red sticker), disassembled a bit and cleaned with 99% IPA, per suggestions, and removed foam/gasket around display connectors. Tried display again post cleaning of connectors and such but still no image. I have seen a few videos and answered questions about how to test voltages and such but have heard multiple times that a good “eye test” can tell you a lot. Only trouble is, I am an untrained eye. I was posting in the hopes that someone more experience may be able to spot an obvious issue, or bent pin, or short, or blown/missing capacitor or the like. Any help before I start jamming in multimeter leads would be appreciated. Thanks

A trained eye can’t tell much from such pictures, connectors seem to be clean and in good condition except for a small dark spot in the front camera/ALS/etc.. connector. You’ll have to use multimeter to find direction.