How to determine which component is broken?
My home and power buttons do not work.
Ideally the cheap solution would be to replace the ribbons if I'm not mistaken.
How can I determine whether the logic board is broken or the ribbons are dead? It might even be both! Is there any way to tell?
Replacement part used to turn the phone on and off plus lock the phone. Compatible with all iPhone 4 and 4S models (GSM and CDMA). — 50+ available at 4.95 each.
Includes the home button and home button cable to connect to the phone. Compatible with all iPhone 4 models: GSM (AT&T) and CDMA (Verizon). Black and white options available. — 50+ available at 14.95 each.
Includes proximity sensor, ambient light sensor, and power cable. Compatible with all iPhone 4 CDMA models. — 32 available at 24.95 each.