Stuck in Recovery Mode

Your very old first generation iPad mini can only be updated to iOS 9.3.5 (WiFi Only models) or iOS 9.3.6 (WiFi & Cellular models).

Apple formally ended update support for iPad mini in September 2016. Your iPad mini cannot be updated to iOS 10 or later major versions of iOS, as the internal hardware does not meet the minimum technical requirements for new versions of iOS/iPadOS. This limitation cannot be bypassed - in addition to which, iPad mini is a 32-bit architecture device, whilst all recent versions of iOS/iPadOS are designed for 64-bit hardware platforms.

You may wish to consider that compatible Apps for your iPad are increasingly difficult to find - as third-party developers are increasingly dropping support for older versions of iOS preceding iOS11/12. As older versions of Apps are removed from the Apple App Store, you’ll not be able to (re)download or install them. As such, if you want or need to access most current Apps, requiring more recent versions of iOS, you’ll need to consider replacement of your iPad with a newer or current model.

I hope this information provides helpful clarity as to your available options - and the limitations of your current iPad mini.

Yo free storage is 5GB - but you can extend this for a small subscription. The first paid tier of iCloud storage is 50GB - for the sum of USD 0.99 (or equivalent in your currency) per month; higher tiers cost a little more, but higher tiers can be shared via Family Sharing.

Xiangyun123 wrote:

However I don't want to restore the iPad so anyone can help?

Yes, I will help.

Restore the iPad. You have no other option.

You also have the option of backing up using your computer.

How to back up your iPhone, iPad, and iPod touch - Apple Support

Sorry - this reply is meant for the original poster, not LotusPilot.

You’re not afraid of losing data, are you? Surely if your data were important, you would have backed up the iPhone. Once you restore, you may reinstate that backup.