I had played Pokemon GO up to level 23. Then after my phone was reset, the game went all the way back to the beginning. I have tried the resets, reboots, sign in and sign outs multiple times. It still went back to level one. On the last attempt, the level 1 screen was not even functional–it only showed the avatar standing in an empty place, no pokestops, gyms or even roads or other landmarks were visible, and when I walked, the avatar just stood in one spot. The game was not even playable at level 1.
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