No, not all devices are iCloud SIM lock-free. Some devices may have an iCloud SIM lock, which means they are tied to a specific carrier and cannot be used with a different carrier's SIM card. It is important to check the status of a device's iCloud SIM lock before purchasing it to ensure that it will work with your desired carrier. **

To use iCloud on two devices, you can start by signing in to iCloud with the same Apple ID on both devices. This will allow you to access and sync your photos, contacts, calendars, and other data across your devices. You can also enable iCloud backup on both devices to ensure that your data is automatically backed up and accessible from either device. Additionally, you can use iCloud Drive to store and access files from both devices. **

All iCloud photos are suddenly on all devices because iCloud is designed to sync and store photos across all of a user's devices. When a user enables iCloud Photo Library, it automatically uploads and stores all photos and videos to iCloud, making them accessible on all devices that are signed in with the same Apple ID. This allows for seamless access to photos and videos across devices, ensuring that users can view and manage their media from any of their Apple devices. **

iCloud is a cloud storage and cloud computing service provided by Apple, which allows users to store data such as photos, music, and documents on remote servers. iCloud Backup, on the other hand, is a feature within iCloud that automatically backs up a user's iOS device to the cloud. This includes backing up data such as app data, device settings, and home screen and app organization. In summary, iCloud is the overall cloud storage service, while iCloud Backup is a specific feature within iCloud that focuses on backing up iOS devices. **

iCloud is a cloud storage and cloud computing service provided by Apple Inc. It allows users to store data such as documents, photos, and music on remote servers for download to iOS, macOS, or Windows devices, to share and send data to other users, and to manage their Apple devices if lost or stolen. iCloud Drive is a feature within iCloud that allows users to store and access files and documents in the cloud. It is similar to other cloud-based storage services like Google Drive and Dropbox, and it allows users to store and organize files, access them from any device, and share them with others. In summary, iCloud is the overall cloud service provided by Apple, while iCloud Drive is a specific feature within iCloud for storing and accessing files. **

iCloud is generally considered to be secure, as it uses encryption to protect user data both in transit and at rest. However, like any online service, there is always a risk of potential security breaches. Users can enhance the security of their iCloud accounts by enabling two-factor authentication and regularly updating their passwords. Overall, while iCloud has security measures in place, it is important for users to take precautions to protect their data. **

No, it is not possible to manually and selectively upload photos from different devices to iCloud without the photos being synchronized in iCloud. iCloud is designed to sync and store data across all of your Apple devices, so any photos uploaded to iCloud will be accessible on all of your devices that are signed in with the same iCloud account. If you want to keep certain photos from being synchronized in iCloud, you would need to use a different cloud storage service or manually transfer the photos to each device without using iCloud. **

When you cancel iCloud, the pictures stored in iCloud will no longer be accessible through the iCloud service. However, the pictures will still be stored on the devices that were synced with iCloud, such as your iPhone or iPad. You can also choose to download the pictures from iCloud to your computer before canceling the service. It's important to note that if you cancel iCloud, you may lose the ability to access and manage your photos across multiple devices using iCloud Photo Library. **