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There are two types of coin apps on Ledger Nano S, and first group is called
stand-alone apps and all of them are larger in size. Those apps include :
Bitcoin (BTC), Ethereum (ETH), XRP (XRP), EOS (EOS), Stellar (XLM), Cardano (ADA), Tron (TRX), Monero (XMR), IOTA (MIOTA), NEO (NEO), Ontology (ONT), Tezos (XTZ), VeChain (VET), Waves (WAVES), Aeternity (AE), Aion (AION), Ark (ARK), Banano (BAN), Cosmos (ATOM), Decred (DCR), Factom (FCT), FIC (FIC), GroestlCoin (GRS), Hycon (HYC), Icon (ICX), Kin (KIN), Lisk (LSK), Nano (NANO), Nos, Particl (PART), QRL (QRL), Rise (RISE).
We also have second group called
Bitcoin / Ethereum dependent apps, and in order to install those app user first need to install BTC or ETH app.
Dogecoin is dependent on BTC app, and after you install BTC app there should not be a problem with Dogecoin. If you have problem with uninstalling BTC or ETH app be sure that you remove all other apps before trying to remove BTC/ETH apps.
https://www.ledger.com/ledger-nano-s-first-step-to-making-things-right-ethereum-app-size-decreased/