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Repair and disassembly information for Samsung's flagship S20 FE Android smartphone, released in October of 2020. Identified by model numbers SM-G780F or SM-G780F/DSM

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Connection point for sub flex cable damaged on mobo


During a diy repair, I damaged the connection point ON the motherboard for the SUB flex cable. It no longer seats and the metal that normally secures the flex cable appears to have come off. Is there a work around here? The cable just needs contact with the mobo essentially right? Would specialized electrical tape work? Thanks ahead of time. The local cookie cutter repair shop here said there were no solutions but I don't know if that's true.

Ответ на этот вопрос У меня та же проблема

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It would help if we could see what kind of damage. Add some pictures to your post.


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Answer was AI generated

Device: Samsung Galaxy S20 FE Problem: Connection point for sub flex cable damaged on mobo

Possible solutions:

  • Try to resolder the connection point. This is a delicate operation and requires specialized tools and skills. If you are not comfortable doing this yourself, you can take your phone to a qualified repair shop.
  • Use a conductive adhesive to attach the flex cable to the motherboard. This is a less invasive solution than soldering, but it may not be as permanent. You can find conductive adhesive at most electronics stores.
  • Use a jumper cable to bypass the damaged connection point. This is the most complex solution, but it is also the most likely to be successful. You will need to solder the jumper cable to the flex cable and the motherboard.

Instructions for using conductive adhesive:

  1. Clean the area around the damaged connection point with alcohol.
  2. Apply a small amount of conductive adhesive to the flex cable and the motherboard.
  3. Position the flex cable on the motherboard and press it down firmly.
  4. Allow the adhesive to dry completely before using your phone.

Instructions for using a jumper cable:

  1. Cut a piece of jumper cable to the desired length.
  2. Strip the insulation off the ends of the jumper cable.
  3. Solder one end of the jumper cable to the flex cable and the other end to the motherboard.
  4. Make sure that the jumper cable is not touching any other components on the motherboard.
  5. Test your phone to make sure that the repair was successful.

Please note: These are just general instructions. The specific steps involved in repairing the damaged connection point will vary depending on the make and model of your phone. It is important to consult a repair guide or video before attempting any repairs.

iFixit links:

If you are confused on how to fix it, please look for one of the amazing tutorials or answered questions on the iFixit's website!

Please let me know if you have any other questions. 😊

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7 Комментариев:

@kingofspades better but we still do not know what the damage looks like. In general, its better than what the rest was.


@oldturkey03 your right. ive switched AI's, it is prone to error but very accurate for the ways ive been using it so ill try to answer a few more questions and see hiow it goes


@kingofspades okay. Let's see if it meets my standard :-) Remember, this is NOT personal. These are different times and new technology needs to prove itself. This is not directed against you as a person etc. I actually kind of like to work on this "project"


As ive said before i dont feel targeted or anything. I actually thank you for taking the time to review the answers and actually proof read it. thanks you goat.


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