Model: A2178

Replace screen 
Replace audio jack 
Home button repair 
Power button repair 
Volume button repair 
Replace front/back camera
Replace microphone 
Replace internal speaker 
Replace charging port 
Replace battery
Replace motherboard

Model: A1574

Replace screen 
Replace audio jack 
Home button repair 
Power button repair 
Volume button repair 
Replace front/back camera
Replace microphone 
Replace internal speaker 
Replace charging port 
Replace battery

Replace motherboard

Model: A1509 or A1421

Replace screen 
Replace audio jack 
Home button repair 
Power button repair 
Volume button repair 
Replace front/back camera
Replace microphone 
Replace internal speaker 
Replace charging port 
Replace battery
Replace motherboard

Model: A1367

Replace screen 
Replace audio jack 
Home button repair 
Power button repair 
Volume button repair 
Replace front/back camera
Replace microphone 
Replace internal speaker 

Model: A1446

Replace touch screen 

Replace LCD 
Replace audio jack 
Home button repair 
Power button repair 
Volume button repair 
Replace battery
Replace motherboard