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Sixth iteration of Apple iPhone, announced on September 12, 2012. Repair of this device is similar to the previous models, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Black or White.

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Tristar tester saying “ battery not connected” when I checked and know

That it is connected and has proper battery voltage.I replaced the battery and lighting/audio connector assembly. Besides display not coming on. My tristar tester says the battery is not connected with the display connected. But with it disconnected says it is present. Prior to this , this phone stopped working. I redownloaded the phones programming including updates. Then the phone worked but wouldn’t bring up the screen for me to enter my second verification codes to include it in my apple id. So I thought there was a problem with the lighting connector and decided to replace it and the battery since it was over five years old. Any thoughts…battery voltages are right where they are supposed to be. So I don’t think the battery is bad. But could there be a short in the display to make it not even see the battery once it’s connected to the tristar tester ? So I’m wondering if there is a fuse kinda thing that would cause this to make the tester say it’s not connected ? Thanks for thinking about this with me ….

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But if the display is shorted then why when it is connected to itunes the display show the apple logo ? But now instead of finishing the down load it keeps saying “waiting for phone response “. It was not charging at all... but now without the display connected it is taking a charge. So how can the tristart checker not detect that it will not charge ? As i asked before is there a fuse or filter that could be easy to check ? It is pulling 0.58 amps. Thanks for your comments arbaman !


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Without background history and/or thorough testing is close to impossible to be of any help here. A bad charging circuit may result in battery undetectable even if Tristar is good. A shorted screen may take down the main power line and charging at the same time. Unless you can manage to narrow down with known good parts, board testing and some history the possible cause it’s hard to help.

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Perry Green zal eeuwig dankbaar zijn.

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