I am trying to do a screen/lcd replacement on my ipad air 3. I though I did it all correctly and it powers up with perfect screen, but won't respond to touch. I noticed I am missing a cable right next to the battery which is highlighted in green in the attached photo. Can anyone identify what that is?
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hello Jared,
It is a sim reader flex tape with connector.
The lack of touch functionality is usually related to screen damage during lifting / detaching from housing. Sometimes it's just a badly inserted connector into the port (check it necessarily and don't forget about the battery: the old principle of electronics - start with the battery when disconnecting and ending with connecting). Sometimes, unfortunately, damage is caused by unreflective disconnection of connectors from the motherboard and damage to them area.
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thanks so much! So that cable shouldn't affect touch screen? I have no use for sim, so I should be able to use without it?
yes, you right
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Is there not a short flex at the bottom with about 4 solder points that needs transferring? Can cause issues if it's not soldered onto the new screen.
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what you write about is a magnetic sensor for smart cover / keyboard. Causes the screen to turn off when the flap falls on the screen. The tablet will work without it, but yes, it is good practice to move it to a new screen.
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thanks so much! So that cable shouldn't affect touch screen? I have no use for sim, so I should be able to use without it?
- de Jared Cantor