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4-inch iPhone released in March 2016 with similar hardware specifications to the 6S. Available in Silver, Space Grey, Gold, or Rose Gold with 16/32/64/128 GB storage options. Model: A1662 and A1723

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iPhone SE battery drain and hot display connectors

Hello,

A few weeks ago, my iPhone SE randomly started becoming hot, and the battery drained really quickly (3hrs) I replaced the screen, battery and proximity sensor as well as cleaning the logic board but it still gets warm and overheats near the display connectors for no apparent reason.

Any ideas? The pins don’t look damaged.

Edit: It looks like more heat than usual is also coming out the CPU, I have tried a full reset and still no results

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I would start by testing a bare-bones setup. Start by disconnecting the battery first (always!). Then disconnect the digitizer, LCD, front camera, rear camera and home button extension flex. Now re-connect the battery; you should only have the battery and Lightning Dock flex connected. Connect a known-good, preferably Apple-original Lightning cable to an iTunes enabled computer. This will boot the device and then you can check for heat. If the heat signature is much better, then add back in one flex at a time (always disconnect the battery each cycle!). If the board is hot even with a bare bones setup, you probably have a logic board issue.

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