Apple admitted that it will limit the performance of older models in order to ensure the use of mobile phone batteries. Subsequent pressure from public opinion, Apple said it will discount for the old users to replace the battery.
At present, from netizens reflect the situation, want to replace the battery not only need an appointment, but also need to line up. It is reported that the supply of replacement battery iPhone 6 Plus supply is very tight, in the United States and other places to the end of March to early April will arrive. The iPhone 6, iPhone 6S Plus electrical phase is also relatively tight, but also need to wait two weeks or so.
Newer models, such as the iPhone 6S, iPhone 7, iPhone 7 Plus and iPhone SE, have ample batteries and do not have to wait in most countries. We can see that the old models of battery generally tight supply, it seems that some do not stick to the new machine friends, want to make the phone back to life, can only wait!