@ayush46272 Sorry to hear that your Pebble Smartwatch is broken! iFixit doesn’t actually fix things for people.
The site is a place for people to learn repair for themselves—the “i” in iFixit is you!
For this repair, I’d start with checking the other Pebble guides [[Topic:Pebble Smartwatch]] and check what similarities there are. I have not found a manual or instructions on how to change the LCD, so it will be a bit of a challenge.
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