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  1. #1
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    phone turns off when I plug usb in

    Hey guys,

    First post here thanks in advance for any help...

    My Galaxy SII (SGH-I777) (AT&T USA) bugged out and randomly stopped working. I got a replacement phone through AT&T via mail. Replacement did not include a battery, so I used my former battery. When plugged into either a wall outlet or my computer, the bottom buttons on the phone flash quickly and turn off, then the charging icon shows up for about a second, then disappears and the screen goes black. This continues infinitely at about 5 second intervals.

    I took the battery out of the phone and attached the battery directly to a battery charger I own. After a few hours, I put the battery back in the phone, and it turned on! Everything worked seemingly fine! Except when I plugged the phone into USB again, it did the same thing. It automatically shut down, and the battery charging icon flashed on and off at 5 second intervals. Also, I have noticed the battery does not actually charge during this time.

    I have three different USB cords and have tried all of them. The phone is brand new, so it shouldn't be faulty hardware, but maybe the firmware is bugged? I thought it was something with my battery, so I went and bought a new battery (1270mAh 4.7Wj 3.7v Digital Energy), still no luck. I can only use the phone when it isn't plugged into USB.

    Any known issues or troubleshooting suggestions? Thanks!

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  3. #2
    Super Moderator/RS
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    Have you tried a factory restore? Is there anything stuck in the microusb port?

    Welcome to the forum!
    Living dangerously, to me, is eating spaghetti with a white shirt on.

  4. #3
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    Did you ever find a solution to this problem? I recently did a software update on my S2 and I now have the same exact problem. =/

  5. #4
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    no answer ? yet

    mine does same thing wiht 2 of my 4 batteries, the other 2 bats work fine

  6. #5
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    We are reliable service offering best travel insurance solutions for super visa,medical insurance for visitors to canada, visitor, IEC, foreign workers, students, new immigrant and returning Canadian at cheap rates.

  7. #6
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