Iphone 6s screen not working after replacement

- Iphone 6s screen not working after battery replacement
- Iphone 6s touch screen not working after battery replacement
- Iphone 6s fingerprint not working after screen replacement
- Iphone 6s home button not working after screen replacement
- Iphone 6s plus camera not working after screen replacement
- Iphone 6s plus front camera not working after screen replacement
- Iphone 6s touch screen not working
- Iphone screen is not working
- Iphone display not working but phone is on
- Iphone 6s plus touch screen not working