Once climbed a cellphone tower! :)
Answer to "Bottom speaker does not work after screen replacement."It’s definitely caused by one or two resistors/inductors being knocked off during screen replacement, as seen in this picture https://imgur.com/SZ620sF You have to use a fine soldering tip to form a small glob of solder across the knocked off resistor/inductor pads. It's best to use low heat so that the solder doesn't flow too easily in order to create a bridge across the pads on the circuit board. Care must be taken, because the molten solder glob can easily short out nearby pads, creating an even bigger issue. It's not an easy task especially without using a microscope, so those who don't have the right tools and/or skills, are probably better of taking it to a local phone repair shop and let them bridge the pads for a few bucks. At least now you know exactly what to ask them to do in order to fix your phone. ;)
Answer to "Proximity sensor not working after screen replacement"Here are some of the possible issues/fixes if the proximity sensor doesn't work: 1. You may have nicked the sensor's flex cable, especially in its 90 degree area which tears fairly easily. 2. The small black sensor may have cracked slightly off the flex (still attached but not making good contact). For the above two cases, you must replace the camera/sensor flex cable with a new one 3. The sensor is slightly off center in the screen window (happens often with cheap aftermarket screens). This can only be fixed with a new screen assembly or a new screen and hoping your sensor will align in the window's center. Also don't be a cheapskate, buy higher quality parts and you'll make the cost back by spending less time being frustrated. ;) 4. The main board has a damaged sensor connector header which cannot be fixed easily, unless you desolder the old one and replace with a new one, or replace the main board. 5. The main board is defective due to crack or liquid damage, both cases are hard to fix and not worth the...
Answer to "iPhone 7 home button not working after screen replacement"*** FINALLY A SOLUTION TO FIX THE TOUCH SENSOR ISSUE!! ***: Guys, I had the same frustration with five different iPhone 7's, while using expensive $50 oem screens, so it's not always the screen that causes the issue. After reading through all these messages, here's a couple of interesting ones to try. Low and behold, the second solution has actually worked!! I have removed that single screw completely, restarted the phone, and the home button started working perfectly. 06/27/2017 by sam Try replacing the top camera/speaker/proximity sensor flex cable with a new one, and everything should work fine again. That seems defective if causing phone to act up when connected. You can replace that with new one, and should fix everything. 05/31/2017 by screensaviors I loosened the screw behind the center of the home button (holding it to the metal bracket), and it magically works now. This may not fix a lot of them, but it worked for me. I was just tightening that screw snug, but must have been too snug. Which makes...
Answer to "iPhone 7 home button not working after screen replacement"HOME BUTTON SOLUTION!!: I had the same home button issue as many of you guys, with 5 iPhone 7's in a row while using expensive $50 oem screens. After a lot of research I've come across of a suggestion which sounded interesting to me. Low and behold, this solution has actually worked!! I have simply loosened the screw in the back of the home button which holds it to the metal bracket, restarted the phone, and the home button has started working perfectly. All credits go to: 05/31/2017 by screensaviors I loosened the screw behind the center of the home button (holding it to the metal bracket), and it magically works now. This may not fix a lot of them, but it worked for me. I was just tightening that screw snug, but must have been too snug. Which makes perfect sense, since a slight warping of the touch sensor could cause it to malfunction, creating all the dreaded touch issues. Now, there could be other causes too, such as cheap/low quality replacement screen (don't be a cheapskate! lol), broken ribbon, or...