Chosen Solution

Vibration is only working in home button feedback but not in other cases like the system wide haptic feedback or vibration on ringtone. i severely broke my phone & had to change the casing by placing my motherboard onto another iphone 8 plus casing which was icloud locked. After that I’m facing 4 problems Haptic feedback works only on home button (tried changing setting and restore iphone)

No airpod prompt when I open the lid, cant connect it instantly, gets disconnected often

low wifi rangeMost often only 2 bars in cellular network indicator.can anyone suggest me a fix?thanks in advance

low wifi rangeMost often only 2 bars in cellular network indicator. These two more then likely caused by incorrect assemble of the antennas you need to back track on your work iPhone 8 Plus Wi-Fi Diversity Antenna Flex

Swap the vibrator over so its using the original.