Revives are items that can restore health of fainted Pokémon. They only work on Pokémon at 0 HP. They can be acquired from leveling up, spinning the Photo Disc at a Gym or PokéStop, defeating a Raid Boss, completing Research tasks, or opening Gifts.
There are two types of Revives:
Revive reserves can be viewed on the item bag page 
Usage
Revives can be used similarly to Potions at any time during gameplay. They can be found on the item bag page. After tapping on a Revive, a list of fainted Pokémon with 0 HP will appear. Tap the desired Pokémon to use the item on it.
Types
Revive
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Details This Revive is available to obtain from Photo Discs at Level 5. It restores half of a fainted Pokémon's HP. This kind of Revive is a reward for leveling up at levels from 5 to 29. |
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In-game description |
Max Revive
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Details Max Revive is available to obtain from Photo Discs at Level 30. It fully restores a fainted Pokémon's HP. This kind of Revive is a reward for leveling up at levels 30 and above. |
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In-game description |
