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这款4.7英寸iPhone于2014年9月19日发布，是iPhone 6 Plus的缩小版。

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iPhone 6 logic board, can I reflow solder in an oven?

I have an iPhone 6 that started boot looping. It will boot randomly, apple logo, then a second of grey fuzzy screen, then loop. Sometimes it just reboots. After a teardown, I am certain it is the logic board. Slight pressure on the board around the SIM dock resolved the issue. I get panic entries with bug 210, and reboot entries with bug 115. I strongly believe the board got bent. Kids get a hold of it a lot and I noticed and bend in the chassis. I tried to spot-heat with a heat gun after stripping the motherboard as bare as you can; it worked for 2 days then looped again. I would like to reflow the board at 385 degrees, but can't find any good information on anyone attempting to reflow with and oven on an iPhone 6 logic board. I am afraid to damage the plastic connectors or something else. Advice?

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This'll void the crap out of any warranty that may possibly exist, in case you didn't know that.

For the oven, you'll have to gut the entire thing and remove the logic board. Remove all the plastic coverings that you can. For oven solder reflowing:

1. Make sure you never intend to use the oven for food again. The gases and substances released can be toxic.

2. Line the tray with foil, shiny side up (foil has a shiny side and a dull matte side). Create four tiny foil balls, and use them to hold the logic board off of the surface. Make sure that there aren't any board components touching the aluminum foil balls.

3. Bake for about 15 minutes at 385 degrees fahrenheit. If it didn't properly reflow, try at 400. Go no higher than 450.

Hope this helps.

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At 385 F, you're not quite hot enough to get most lead free solders to go liquidus - which ranges between 423 and 440 F, depending on composition. Most reflow profiles are about a minute and a half, so I believe 15 minutes is way to long...

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I am PAINFULLY misinformed. Please do NOT do this anymore. @kevin is right, that solder cannot be reflowed at this lower temperature. It is only a temporary fix, but will quickly stop working.

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Hi there:

Just wondering if it worked?

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I would not recommend this under any circumstance. Applying heat without knowing what you are doing is a recipe for disaster. You could easily cause solder ball explosions or shorts on the underfill-secured IC's.

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Tried the mothod om my 6s (iTunes error 9). Tried it two times: one at 225 C for 3 minutes, and one at 250 C for 4 minutes. No result at all. I mean it can work, as some people did succeed on YT ( with the Lg G3), but my try had no difference.

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You better use a heat gun and only heat the spot where you think it needs a reflow. Tape the area around whit heat resisting tape to prevent damage to the other parts at your logic board.

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Jason Mallet 将永远感激不已
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