
Guide to QR Scanning/Island Scan
Pokemon Sun and Moon lets you scan in QR Codes to register Pokemon to your Pokedex to learn its location in the game.
There are three pages featuring the QR Codes for Pokemon:
You can also scan random QR codes to see Pokemon not in Alola and still earn points toward Island Scan:
I wanted to take some time to clear up some misconceptions about Island Scan and provide a list of which Pokemon appear at which time. I have seen a lot of websites that detail how to use Island Scan and provide a list of QR codes to scan, so I won't do that here. I've even seen one outlet claim they found a Bulbasaur in Melemele Island.
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But here is a list of every Pokemon you can collect while using Island Scan:
First, you need to boot up the Island Scan from you 'X' menu and scan QR codes from various sources (here is all the QR codes for every Pokemon https://imgur.com/a/EFOqs).
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Next, scan ten different codes to start finding new Pokemon. You can only scan all 10 codes at the same time but they operate on chargers, meaning each charge takes 2 hours to recharge. For example, I can use all 10 of the scans, use Island Scan, find and catch the Pokemon. After the ten have been used I must wait 20 hours for all 10 scans to come back up or wait 2 hours use 1 scan, wait 2 hours us another, etc.
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Here is a list of all Pokemon found, where they spawn, and which day they can be found on:
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Melemele Island:
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Monday: Totodile in Seaward Cave
Tuesday: Deino in Ten Carat Hill
Wednesday: Horsea in Kala'e Bay
Thursday: Klink in Hau'oli City
Friday: Chikorita in Route 2
Saturday: Litwick in Hau'oli Cemetery
Sunday: Cyndaquil in Route 3
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Akala Island:
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Monday: Spheal in Route 7
Tuesday: Luxio in Route 8
Wednesday: Honedge in Akala Outskirts
Thursday: Venipede in Route 4
Friday: Bellsprout in Route 5
Saturday: Marill in Brooklet Hill
Sunday: Gothita in Route 6
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Ula'ula Island:
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Monday: Swinub in Tapu Village
Tuesday: Duosion in Route 16
Wednesday: Roselia in Ula'ula Meadow
Thursday: Staravia in Route 10
Friday: Vigoroth in Route 11
Saturday: Axew in Mount Hokulani
Sunday: Rhyhorn in Blush Mountain
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Poni Island:
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Monday: Conkeldurr in Poni Plains
Tuesday: Togekiss in Poni Gauntlet
Wednesday: Leavanny in Poni Meadow
Thursday: Serperior in Exeggutor Island
Friday: Samurott in Poni Wilds
Saturday: Emboar in Ancient Poni Path
Sunday: Elektross in Poni Grove

Five QR codes to immediately unlock island scan!
Legendaries
Pokemon Sun and Moon Legendary Pokemon
You may have already noticed the two Pokemon Sun and Moon Legendary Pokemon from the Box Art. This time around there is a little more to the Legendary Sun and Moon Pokemon. Both versions of these Legendaries can active a special form, changing their appearance.
