> For the complete documentation index, see [llms.txt](https://nftsbattle.gitbook.io/nfts-battle-or-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nftsbattle.gitbook.io/nfts-battle-or-en/help.md).

# FAQ

- [Closed Beta](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/closed-beta.md)
- [Android](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/closed-beta/android.md): Only for Android users, please don't read it wrong~
- [iOS](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/closed-beta/ios.md): Only for iOS users, please don't read it wrong~
- [Common Problem](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/common-problem.md)
- [What is "NFT"?](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/common-problem/whats-an-nft.md)
- [MarketPlace](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/marketplace.md)
- [How to sell NFT](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/marketplace/how-to-sell-nft.md)
- [How to purchase NFT](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/marketplace/how-to-purchase-nft.md)
- [How to revoke NFT](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/marketplace/how-to-revoke-nft.md)
- [How to edit NFT price](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/marketplace/how-to-edit-nft-price.md)
- [Fee of market place](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/marketplace/fee-of-market-place.md)
- [Wallet Issues](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/wallet-issues.md)
- [MetaMask Tutorial](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/wallet-issues/metamask-tutorial.md)
- [Trust Wallet Tutorial](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/wallet-issues/trust-wallet-tutorial.md)
- [Metamask Purchasing Process](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/wallet-issues/metamask-purchasing-process.md)
- [Trust Wallet Purchasing Process](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/wallet-issues/trust-wallet-purchasing-process.md)
- [Adding NFT to wallet](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/wallet-issues/adding-nft-to-wallet.md)
- [Common Problem](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/wallet-issues/common-problem.md)
- [New Year Event](https://nftsbattle.gitbook.io/nfts-battle-or-en/help/new-year-event.md): Any questions about NFTsBattle's Chinese New Year? Read this first!