J johndrew macrumors newbie Original poster Nov 22, 2010 21 0 Jul 24, 2013 #1 I am wanting a way to determine how long a battery has been in the phone. I looked at the serial number and it has DNPH2T..How do you know what the date of manufacture is? What is the code for Alpha characters?
I am wanting a way to determine how long a battery has been in the phone. I looked at the serial number and it has DNPH2T..How do you know what the date of manufacture is? What is the code for Alpha characters?