CURSE THIS OLD ASS PHONE

Found my old burner phone from YEARS AGO and I won’t let me download Pinterest or tumblr I’m gonna die actually😒

I can still go on it on my main phone but LIKE what if I NEED to use tumblr on this phone? What if I simply MUSTTT let my 5 friends know that I am about to go get maccies??? AUGHH CURSE THIS IPHONE 7 THAT WONT UPDATE TO IOS 16