40K+ Question about purchasing a premium phone

Budget -​

What is your budget? Mention Locality/Currency & Price Range.​

Flexible

New or Used? Online or in-store? ​

New. Store

Brand -​

Do you have any brand preference or dislikes? Please name them.​

No preferences

Usage -​

What is your intended use?​

The phone is intended for my cousin sister. She is working on some courses which will require her to take videos. She uses social media for coaching / teaching purposes.

What is your expected battery backup?​

More the merrier.

How long are you intending to use this phone?​

At the moment shes using a Vivo X70 Pro Plus which she does videos on. Although she would like to upgrade

Connectivity -​

What is your preferred network?​

5G

What is the number of connections required?​

At the moment she's using Dual Sim but might be able to change if needed,

Platform :​

Operating System (OS) -​

Do you have any OS preference?​

None

RAM & Storage -​

How much RAM and Storage do you want?​

Base storage should be fine. She stores everything on her portable drives.

Do you want a memory card slot?​

Not necessary.

Processing power -​

If you have an idea of how much processing power you'd need mention here, else feel free to ignore.​

Display :​

What is your preferred display size, type, resolution and refresh rate?​

Mention any specific requirements here.​

She needs a good camera mainly. She has an old Macbook Pro but shes changing from it. She has recently purchased a laptop Lenovo LOQ something. She does use an iPad though. Her main social media platforms are FB , YT and Instagram. Other than that she uses her phone for basic stuff / no gaming, occasional movies , plenty of music. She did mention shes a bit clumsy when it comes to phones so she usually gets every single form of protection for the device known.

Miscellaneous :​

Any other requirements?​

If you have already considered a phone, then please mention.​

She has listed a couple of choices as an iPhone Pro , s24 Ultra, Xiaomi 14 and Vivo X100 Pro. Although shes willing to wait if something good is coming out benefit the wait time.

If any requirement takes a higher priority than other, mention here.​

(e.g.) Build quality > 3.5mm jack > LTPO

Any help would be deeply appreciated.
Thanks