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I bought a mini usb fan. When I plug it in it starts working but then it stops. I have a J7 2016, OTG is supported. My friend has the same phone and the fan is working. Can I somehow enable OTG?
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I think that I know what's the problem. I saw a notification saying "USB device connected" and a few moments later it says "USB device disconnected" but I didn't disconnect the fan. Please help.
Sounds like the phone needs repair. Why?
Read https://www.ifixit.com/Answers/View/375664/Otg+and+jack+not+working+properly and examine this picture: https://d3nevzfk7ii3be.cloudfront.net/igi/2gX6QYQlptyV1bLI.standard
If your phone has a damaged pin 4 then no power for your fan.
PLEASE try the other ideas in that thread about the memory card as well.
Post was last edited on August 12, 2018 10:42 AM PDT
The pin seems to be fine. I used the magnifying glass and a flashlight. The fan starts working for a few seconds, but the phone seems to disconnect it. Nevermind, tomorrow I'll go get my phone checked and hopefully fixed. Thanks for answering, I appreciate it.
You can't check out the other plus the phone circuitry. Sorry if I mislead you to think it's a damaged pin. It can be more than that.
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