Why does WS reset

FlaringCrystal120

https://community.king.com/en/candy-crush-saga/discussion/comment/1505085#Comment_1505085

This can happen even if you have a single device. It just happens more frequently if you play multi device.

Also, since you have a screenshot of your 550-streak, you can show the screenshot in the discussion below to earn 4 badges.

https://community.king.com/en/candy-crush-saga/discussion/317598/share-your-best-candy-necklaces-win-streak-get-the-sweetest-badges