"Unnecessary"
I dunno.... I could say "phone" and "messaging" cause I don't have a SIM here.

Tik tok 😂

No one!

FM radio....i never listen to it but can't get rid of it as it's a built-in app of my phone.it doesn't bother me though!

What's app

Email 😐

Clash Of Clans ?

মেসেঞ্জার,ইন্সটাগ্রাম ছাড়া তো সবই অপ্রয়োজনীয়। 😏