Hi there!
I hope your doing well!
You will need a Mac or a Windows PC to format a disk. If you don't have a Mac please ask a family member if they have one or friend.
Apple Mac computer native drive formats - APFS ( Apple Proprietary File System ) OR Apple HFS+ ( Hierarchical File System+ )
Fat 32
exFAT
I have provided Apple Website external drive help links here below:
Connect external storage devices to iPad – Apple Support (UK)
Connect external devices or servers with Files on iPad – Apple Support (UK)
Before you do so please read the below:
- If you intend to sell your iPad, trade it in, or give it away, see the Apple Support article What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch for steps to take before erasing iPad.
- To save your content and settings, back up your iPad shortly before erasing it or when you’re given the option during the erase process. You can use the backup to later restore your data on a new iPhone or iPad.
- Have your iPad passcode ready. If you don’t remember it, see the Apple Support article If you forgot your iPad passcode.
- Have your Apple ID password ready. If you don’t remember it, see the Recover your Apple ID website.
- If you received your iPad from someone else and it’s still associated with their Apple ID, return it to them and ask them to follow the instructions in the Apple Support article What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch. Otherwise, you won’t be able to erase it.
You can use for settings app on the iPad to erase your iPad:
- Go to Settings
> General > Transfer or Reset iPad. - Do one of the following:
- Prepare your content and settings to transfer to a new iPad: Tap Get Started, then follow the onscreen instructions. When you finish, return to Settings > General > Transfer or Reset iPad, then tap Erase All Content and Settings.
- Erase all of your data from iPad: Tap Erase All Content and Settings.
To use a mac or windows pc to erase your pc please follow the steps below:
You can use a Mac or Windows PC to erase all data and settings from your iPad, restore iPad to factory settings, and install the latest version of iPadOS.
- Connect your iPad to your computer with a USB or USB-C cable. You may also need an adapter. See Connect iPad and your computer with a cable.
- Turn on your iPad.
- Do one of the following:
- On a Mac (macOS 10.15 or later): Click the Finder icon in the Dock to open a Finder window, click the iPad button in the Finder sidebar (below Locations), click General at the top of the window, then click Restore iPad.
- On a Mac (macOS 10.14 or earlier) or a Windows PC: Make sure you have the latest version of iTunes (see the Apple Support article Update to the latest version of iTunes). Open iTunes, click the iPad button near the top left of the iTunes window, click Summary, then click Restore iPad.
I hope this helps :)
Please tell me if you need more help or even if I misunderstood.
Kind regards!