I have Nokia 6600 model which I purchased in Middle East 3 years back

Just wondering how much is average life for battery in Nokia cell.

My Nokia Cell is having some problem & I think its battery need replacement.

Is it worth to just change battery or better go for new Cell phone in Canada

How much new battery cost me for Nokia.
If its too costly, can I use another make of battery or it has to be from Nokia

Thanks

Please do not use battery from a non Nokia manufacturer / original parts as they don't last long . 3 yrs is about time for a cell battery .

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Fido.