Solid Metal Clipper Lighter in Gift Box.

I'm getting a very small flame and kind of keeps on fluctuating. I've tried after refill as well. Please tell me if there's a fix.

has anyone successfully refilled the lighter? if so which gas did you use.

I'm getting a very small flame and kind of keeps on fluctuating. I've tried after refill as well. Please tell me if there's a fix ?

Does it come prefilled