Sorry if asking wrong people but I’ve got a samsung galaxy j3 prime, its a really old phone and i lost its charger a year ago, after that until now I was charging it with a different cheap charger, and one day eventually while using the phone the back cover fells of(it has removable back) and then i realised that the battery became swollen, I immediately took the battery out and kept the phone and battery apart for 2 months, now today I lost patience and grabbed a safety pin and did a little hole on both sides of the battery. Now it fits !!! and is much less swollen then before(yes it is still a little swollen)
So I meant to ask would it be safe to use it like that or is there a risk of the battery going kaboom!!! while i am using the phone or charging it ???
You should seriously never go back to that person again. That’s absurdly irresponsible, and even if he somehow knew for certain that it wasn’t about to explode (he did not), the amount of liability he’d assume giving it back to a customer like that is way too high for any reputable shop to consider doing so.