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Samsung S7 SM-G935f - S7 does not turn on, I do not react to charging, dead.

lysy663 13713 8
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  • #1 16968150
    lysy663
    Level 12  
    Hello.
    My friend had a problem, s7 could not be turned on, but he reacted to connecting the charger. Charging appeared on the display. He went to the service "I do not know what the service opens the phone with a needle and damages the phone rame." The service kept him for a good month. Returning to him, he stated that he was dead, brick. After answering tel. I'm already charging. My question is, can you check to prove if the service has changed the mainboard tel? How else can you explain it? Charging was working and after receiving it no longer.


    Samsung S7 SM-G935f - S7 does not turn on, I do not react to charging, dead.

    Samsung S7 SM-G935f - S7 does not turn on, I do not react to charging, dead.
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  • #2 16968353
    kuba4321
    Level 15  
    If they replace the motherboard, it will change IMEI and will not match on the box or housing if it is there. Check the battery voltage
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  • Helpful post
    #3 16968395
    E8600
    Level 41  
    lysy663 wrote:
    Charging appeared on the display.

    And the battery really charged? Loading progress?
    Now it will be hard to prove anything. The fact that it does not react to the charger now may be the battery has discharged below 2V and the phone does not detect it.
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  • #4 16968736
    lysy663
    Level 12  
    kuba4321 wrote:
    If they replace the motherboard, it will change IMEI and will not match on the box or housing if it is there. Check the battery voltage



    Hello, if only I turned it on, but unfortunately.

    Added after 2 [minutes]:

    E8600 wrote:
    lysy663 wrote:
    Charging appeared on the display.

    And the battery really charged? Loading progress?
    Now it will be hard to prove anything. The fact that it does not react to the charger now may be the battery has discharged below 2V and the phone does not detect it.



    Hello.
    The battery has 3.6 v and I have checked it already. The colleague did not specify if there was any progress in loading. He did not pay much attention to it. Well, it will be bad to prove anything.
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  • #5 16969541
    E8600
    Level 41  
    The phone is not detected by the PC probably?
    You can still try with an induction charger but it's a 1% chance.
  • #6 16970502
    lysy663
    Level 12  
    Of course, it is not detectable by pc. I also tried induction. The charger detects it, because the blue LED lights up on it, but after that nothing, no reaction.
  • Helpful post
    #7 16971507
    el_danone
    Level 15  
    Put a good photo of the motherboard on both sides. I suspect that they did not replace the main board but they were heating up as soon as they counted up ...
  • #8 16973665
    lysy663
    Level 12  
    I have already given the phone, but I will take it again and check it.
  • #9 17011251
    lysy663
    Level 12  
    I close the subject, my friend sold the damaged one.
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Topic summary

The discussion revolves around a Samsung Galaxy S7 (model SM-G935F) that failed to turn on after being serviced. Initially, the device responded to charging, but after a month at the service center, it was returned as "dead" or "bricked." Users suggest checking the battery voltage, as it may have discharged below the detectable level. They also mention that if the motherboard was replaced, the IMEI would change, making it identifiable. The phone is not recognized by a PC, and attempts to use an induction charger yielded no results. The original poster plans to recheck the device's motherboard for any signs of tampering or replacement. Ultimately, the issue remains unresolved, and the device was sold in its damaged state.
Summary generated by the language model.
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