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Almost certainly the replacement screen has a damaged home button extension cable. This can be replaced by replacing the backlight (requies soldering 4 pins) or just replacing the 3D Touch panel (which has the home button extension cable integrated to it) which is attached to the metal panel on the back of the backlight. To remove either the backlight or the 3D touch panel you need to heat up the glue around the edges of the LCD. Note that the home button extension cable is replaceable (it’s replaced every time you replace the screen), the home button and its directly attached cable itself is not (it’s coded to the logic board by Apple).
더 읽어보기Having had this problem and thought it impossible to undo the LCD screws, I managed it. I did this with a regular cheap Y aka 3 point screwdriver that came free with the replacement LCD. The steps are as follows: 1) Place the backside of the screw (and so the LCD shield edge) against the edge of a table/bench. This is so you can push down in the screwdriver with enough vertical force to have it stay engaged in the screw. 2) Observe where the three slots of the screw are aligned so you can tell if you have moved it at all after step 5. 3) Place the screwdriver carefully so the 3 points on the screwdriver line up with the slots in the screw. 4) Push down very hard vertically to engage the screwdriver in the slots. 5) Slowly turn the screwdriver. You only need to turn it no more than 90 degrees (quarter turn) to break the initial torque/thread lock. 6) After step 5 the screw should be loose. You do not need to exert too much vertical pressure anymore. It should spin out quite freely.
더 읽어보기Has this Error 14 on an iPhone SE. The phone was stuck on the Restore screen, Connect to iTunes. This was due to a failed jailbreak attempt with unc0ver on iOS 11.3. Tried to restore it 10’s of times. Even in DFU mode. Upgraded iTunes. Tried different cables and USB ports. Tried to disable antivirus. Disabled firewall. None of these got it to work. Every time the status bar on the iPhone screen went to a percentage of restored then iTunes said Error 14. Tried this with iOS 12.3. Then Apple stopped signing it. Tried it with iOS 13.0. Same problem. Tried it with iOS13.1. Same problem. In many of these cases I had downloaded the IPSW and used SHIFT+Restore to select it (saved having iTunes download a 3GB file to fail every tme). Tried with iOS 13.2. Tried with a downloaded IPSW, which failed. Another time instead of SHIFT+Restore I let iTunes download the IPSW. Using a non-genuine cheap lightning cable. Antivirus on. This time it worked! To anyone who thinks the phone is bricked (and knows it wasn’t water...
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