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Does anybody have a layout of what screws go into which hole? There are several obvious locations for the washers and broad head screws but a majority of them are a mystery if you don’t keep track of them. I had an orderly system set up but I tipped my tray and it’s all jumbled. On top of that I lost a handful of tiny screws so I ordered a replacement kit. I want to make sure i’m doing it right this time and based on just numeric descriptions “2.5mm” i’m unable to determine which screw is what.

Here is a chart I created for Verizon iPhone 4S.. Does not include the 6 screws and washers holding the LCD to the mid frame, since you do not need to remove them .. Size Type Location 3.6 mm - Pentalobe - Dock Connector 3.6 mm - Pentalobe - Dock Connector 1.5 mm - Phillips - Battery Connector 1.8 mm - Phillips - Dock Connector - Logic Board 1.8 mm - Phillips - Dock Connector - Logic Board 1.6 mm - Phillips - Logic Board near vibrator 1.3 mm - Phillips - Rear Camera - Red 1.3 mm - Phillips - Rear Camera - Red 1.3 mm - Phillips - Rear Camera - Red 1.5 mm - Phillips - Rear Camera - Orange 2.4 mm - Phillips - Rear Camera - Yellow 4.8 mm - Flat - Top near headphone jack 2.5 mm - Phillips - Top near power button 3.4 mm - Phillips - Near vibrator motor - Red 3.6 mm - Flat - Near battery - Orange 2.4 mm - Phillips - Speaker enclosure 2.4 mm - Phillips - Speaker enclosure 1.6 mm - Phillips - 1 of 4 corner 1.6 mm - Phillips - 2 of 4 corner 1.6 mm - Phillips - 3 of 4 corner 1.6 mm - Phillips - 4 of 4 corner Details: Size Amounts Type 1.3 mm - 3 - Phillips 1.5 mm - 2 - Phillips 1.6 mm - 5 - Phillips 1.8 mm - 2 - Phillips 2.4 mm - 3 - Phillips 2.5 mm - 1 - Phillips 3.4 mm - 1 - Phillips 3.6 mm - 2 - Pentalobe 3.6 mm - 1 - Flat 4.8 mm - 1 - Flat Total 21 17 Phillips 2 Pentalobe 2 flat

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The title of this is “iPhone 4” but the list of screws is for “Verizon 4S” and some screw sizes will differ. The screws in the iPhone 4 can be the same length but some differ in diameter. A calliper is instrumental in defining the sizes. Also, I’d like to suggest using rubbing alcohol and a screen cleaning cloth for cleaning connections. It doesn’t leave a film and evaporates quickly, so no need to “dry” after use. Just don’t use excessive amounts. Cheers and good luck!!!

All I can say is to maybe look back at the teardown and compare size & shape. I recommend using this next time: http://unitediphonerepair.com/?option=co… :)