Migrating WhatsApp is one of the most stressful things I've ever done. It is legit the main reason I take several weeks — perhaps months — to fully switch to a new phone. I have cold sweats because of my slow connection and I always pray for the local backup/restore function to work without triggering the online restore, so I can't even imagine what it's like when you're switching more than just a phone. Thankfully, though, the service is about to make the move to a new OS and phone number a little smoother.

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