I've had that issue before when I first started fixing Switches, and yes, it's very important and needs to be replaced. The part you're referring to is the connector for the daughterboard flex cable. It connects the daughterboard to the main board. You can replace the connector on the board. You can buy them on MobileSentrix: https://www.mobilesentrix.com/keypad-extension-socket-for-nintendo-switch-lite
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I've had that issue before when I first started fixing Switches, and yes, it's very important and needs to be replaced. The part you're referring to is the connector for the daughterboard flex cable. It connects the daughterboard to the main board. You can replace the connector on the board. It does require soldering so if you're not proficient in that then I would recommend taking it to a shop to be repaired. You can buy them on MobileSentrix: https://www.mobilesentrix.com/keypad-extension-socket-for-nintendo-switch-lite
I've had that issue before when I first started fixing switched, and yes, it's very important and needs to be replaced. The part you're referring to is the connector for the daughterboard flex cable. It connects the daughterboard to the main board. You can replace the connector on the board. You can buy them on MobileSentrix: https://www.mobilesentrix.com/keypad-extension-socket-for-nintendo-switch-lite
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I've had that issue before when I first started fixing Switches, and yes, it's very important and needs to be replaced. The part you're referring to is the connector for the daughterboard flex cable. It connects the daughterboard to the main board. You can replace the connector on the board. You can buy them on MobileSentrix: https://www.mobilesentrix.com/keypad-extension-socket-for-nintendo-switch-lite
I've had that issue before when I first started fixing switched, and yes, it's very important and needs to be replaced. The part you're referring to is the connector for the daughterboard flex cable. It connects the daughterboard to the main board. You can replace the connector on the board. You can buy them on MobileSentrix: https://www.mobilesentrix.com/keypad-extension-socket-for-nintendo-switch-lite