Chosen Solution
I need to purchase a new battery for my original apple watch series 1 gen 1 A1553. I’ve found conflicting statements online as to whether a A1802 battery would be compatible or not. And while I’m replacing it I thought itd be worth while to maybe upgrade the logic board to a A1802 logic board as its more powerful. Would it be compatible? Thank you.
Unless you have one of the special edition watches Apple made its not worth the effort. I know someone who transplanted the entire Series 3 insides into a gold case for someone. It was quite a bit of work. Going between the Series 0 to a Series 1 is not much of an upgrade. I would just replace the battery and call it a day You’ll need to replace the display and battery with the logic board as the connections are different.
