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Released by Samsung in March 2016. Model SM-G930.

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S7 won't boot: fixed blue LED and blinking green LED

Hi, my S7 had some battery related problem, and in the past some times failed to recognise the real battery level.

Now I have substituted my old battery with a new one and I have the problem explained in the title. When I push the "power on" button, the S7 vibrates and a fixed blue LED + a blinking green LED show up for some seconds, then "menu" and "return" buttons light up and finally all lights disappear and the screen remains black.

The combination "Power button + volume down" gives the same result, and the combination "Power button + home + volume up" gives no result.

If I connect it to a power cord, after some seconds a fixed red LED shows up, then in some minutes it becomes green. Nothing appears on screen and pushing *any* button result in a freeze from which I can exit only disconnecting the battery, during this freeze the phone heats up.

I think the smartphone is failing again in the measuring of the battery level, since it is behaving like the battery is empty. Any idea about how to solve this?

Answer this question I have this problem too

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bro, did fix your phone? my S7 undergoing a same problem >.<

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when you get to ‘and finally all lights disappear and the screen remains black. ‘ do the menu and return LEDs light up when you press the lock button?

Sounds like either screen not plugged in properly or got damaged when opening up the phone.

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Thanks for the answer.

I have noticed that some time the smartphone acts like the screen is disconnected: it also rings if I dial my number from another phone.

But the connector is intact and well secured on its socket... Moreover, it still does not acts properly when connected to the power cord: the red led lights up after too many seconds, and in some cases the smartphone also froze with a fixed blue led.

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Alessandro will be eternally grateful.
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