13-year-old Samsung refuses to charge

[cyza]

i took this phone from my grandpa since he wasn't using it anymore. i know it's too old to be used nowadays, but i want to restore and have it for fun/collection. 

yes, this is a Galaxy S Duos (GT-S7562) from 2012.

when plugged in, however, it shows this sign instead of charging. does it mean that i have to replace its battery?

[SungJinwooHunter]

Woah, that's legendary. Maybe because its battery has been exposed to the elements for a long time. Or there might be mechanical malfunctions in the internals.

The oldest Samsung device I owned was the Galaxy J7 2016, and it's dead now, buttons gone, and LCD also bid goodbye.

[cyza]

well, update: it decided that it'll charge its old battery once again