Will paying off a collections/delinquent debt instantly improve your credit?

I have got merely one delinquency on my small record for not really paying off the collections debt. It's actually affecting my credit history because I'm even now not utilized ways to improve your credit score to credit score and also I haven't attempted to start out constructing it yet.

Will paying off this debt quickly enhance my credit? Since this actually is will be the sole factor I have to exhibit on my small credit? It's an old Sprint bill via two a lengthy time ago, I didn't spend it cause I ended up being receiving charged with insane overage fees, and also I just couldn't afford for you to pay the cancellation charge in the time.

There's this apartment I'm trying to rent and I informed the actual landlord that will this truly is the just real delinquency record, and also talked about which other than this, I use a fairly clean record.

But now I'm scared, because I didn't know my record when I told him that. I just took the credit history test plus it turns out that will my credit history can be 501, and it's merely that lower since with the Sprint delinquency in my credit. It's the only factor there simply because I have nothing else on my small credit.

What do I do?

Will paying this off instantly enhance my credit?? Since it's the only factor on my small record?

Please help!