Usually people don't care what their phone is made off as long as it runs well and fast enough. The technical parameter is often neglected that way. In fact, the circuit plays a key role in the operaton the android system. Like the Contact Sync problem will not occur, the system will not fail, if manufacturer use <a href="
http://product.xindabest.com/"alt="Flexible Printed Circuit">FPC</a> instead of old circuits. is that your point?