Bitcoin does not have an official app, and users mainly trade and manage them through third-party exchanges or account apps. 1. Binance has comprehensive functions and is suitable for all kinds of traders; 2. OKX provides integrated trading and Web3 accounts; 3. Huobi (HTX) is stable and reliable in the Asian market; 4. Gate.io is known for its rich currency; 5. KuCoin has diverse currencies and active communities; 6. Bybit is known for its derivatives trading. When downloading, you should visit the official website, scan the QR code, complete the installation according to the system, and set up security measures such as two-factor verification to ensure the security of the account.

Dogecoin does not have an official app, and users need to trade through third-party exchanges. This article recommends 6 platforms and provides usage steps. 1. Binance: Large transaction volume and comprehensive functions; 2. Ouyi: Integrated accounts and NFT markets; 3. Huobi: High security; 4. Gate.io: Rich currency types; 5. KuCoin: Fast listing speed; 6. Kraken: Strong compliance. Downloading requires the official channel to complete registration, identity verification, recharge, and transaction of Dogecoin (DOGE) and ensure account security, enable 2FA and set complex passwords.

Apple mobile phone users can access Binance by switching the App Store area or using the official web version. 1. Switch to Apple ID not in mainland China to log in to the App Store to download the app directly; 2. Use a mobile browser to access the Binance official website and trade without downloading the app. Android users should download the application through the official website and avoid unofficial channels to ensure security. After registering an account, you need to enable two-factor authentication (2FA) immediately to improve security.

The official website address of Huobi Exchange is htx.com, 1. Provide spot trading to support currency and fiat currency transactions; 2. Provide contract transactions including U-price and currency futures; 3. Provide financial products such as Yubibao, pledge loans and other financial products; 4. Global layout covers multiple regions and holds multiple countries licenses, and adopts hot and cold storage isolation and KYC mechanisms in terms of security. Users can complete registration and use through the official website or application store download APP to fully serve global digital asset users.

Using the iPhone's file app for file management is very simple and suitable for daily tasks. 1. Organize files and folders: Folders can be created through the "New Folder" function, and supports renaming, moving or copying files. They can also be sorted by name, date, etc. 2. Access iCloud and other cloud services: You can connect to iCloudDrive, GoogleDrive, Dropbox, etc., manage the displayed services through "Browse>Location>Edit", and directly save files to cloud storage. 3. Open and share files from other applications: Select the application to open the file through the share icon at the bottom, or share files through email, message or AirDrop. In short, although its functions are limited, its basic

If you forget your iPhone password, you can try the following methods: 1. Use iTunes/Finder to enter recovery mode to restore the device (must be connected to the computer); 2. If you enable "Find My iPhone", you can erase the device through iCloud; 3. Contact Apple customer service for assistance (need to provide a purchase certificate). The first two of the above methods will clear the data. It is recommended to backup regularly in the future and enable the search function.

1. First download the iOS version of the APP through Binance official website; 2. Click to install and wait for the application icon to appear on the desktop; 3. If the prompt is prompted for "untrusted enterprise-level developer" when opening for the first time, you need to enter "Settings-General-V PN and Device Management"; 4. Find the Binance developer name in the "Enterprise APP" and click "Trust"; 5. After completing the trust, you can return to the desktop to start the APP normally; if the certificate expires, you need to download and install again and repeat the trust steps. Be sure to always obtain the application through official channels to ensure the security of the asset. After the entire process is completed, you can successfully use the Binance APP to register or log in.

Purchase USDT and other stablecoins on Apple phones, you must download the compliant exchange app through the overseas Apple ID and complete the authentication and conduct transactions. The specific steps are as follows: 1. Use Apple ID in the non-mainland region to log in to the App Store; 2. Download recommended platforms such as OKX, Binance, Huobi (HTX), Gate.io or KuCoin; 3. Complete registration and identity authentication (KYC); 4. Enter the "Buy Coin" or "C2C/P2P Transaction" page to select USDT; 5. Filter merchants according to the payment method and place orders; 6. Pay through Alipay, WeChat or bank card and confirm transactions; 7. Wait for the merchant to put the coins into the account, and the entire process is completed.