It is not compulsory but you can choose to use iCloud if you wish.
If your iPhone is lost and you have Cloud, you can login from a computer and find the iPhones exact location.
Technically you can not. When you download a application it saves to iCloud. When you sell your iPad it will need to be loged into to your iCloud to play it. If you factor reset it then it will be lost but it will still be on your iCloud to play.
iPhones need a SIM card to work as a phone. If you don't have a SIM card you can use it as an iTouch.
To transfer your iCloud backup to your new iPhone, first, turn on your new device and follow the setup prompts until you reach the "Apps & Data" screen. Choose "Restore from iCloud Backup" and sign in with your Apple ID. Select the most recent backup you want to restore, and the transfer will begin. Make sure your new phone is connected to Wi-Fi and plugged into a power source during the process.
metro pcs does NOT sell iphones
No, you do not need iCloud for AirDrop to work on an iPhone 5s. AirDrop uses Bluetooth and Wi-Fi to establish a connection between devices, allowing you to share files without requiring an iCloud account. However, both devices must have Wi-Fi and Bluetooth enabled for AirDrop to function.
iCloud Backup is a cloud storage service provided by Apple that automatically backs up your iOS devices, such as iPhones and iPads, to secure servers. It stores data including app data, device settings, home screen layouts, and photos, making it easy to restore your device or set up a new one. Users can manage their iCloud storage and backup settings through their device's settings. This service ensures that important information is safeguarded and accessible across Apple devices.
If usrname and xword are for icloud, you're fine. You don't need icloud on a computer. If you've forgotten the password to your computer... take it to the apple store.
Yes there are many Apps out there ex: Find My iPhone and also if you have iCloud account setup you can remotely erase the data from lost/stolen iPhones
ICloud was created on 2011-06-06.
iPhones
Ask her otherwise you need an expensive program but they are readily avail for sale.