iPhone 3G keeps turning off randomly, even with full charge...
I installed a new battery in my iPhone 3G a week ago, per ifixit's beautiful instructions. Everything went smoothly and when the phone turned on just fine after installing it.
However, starting the next day, my iPhone would randomly turn off - even right after having charged it overnight. It might stay on working fine for 2 mins or maybe even an hour, but then, out of nowhere, boom it turns off. Sometimes I can turn it back on without plugging in the charger, sometimes I have to plug it into the charger. It's been doing this all the time.
Now it has started happening even when it's plugged in! And each time it happens, when I turn it back on, the time/date has been reset to 7:00PM December 31, 1999. I change it to the correct time, but after it shuts down again and I restart it, there it is again 7:00PM December 31, 1999.
Does anybody have any ideas on what specifically might be the cause of this problem? I would appreciate any thoughts greatly.
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