Update Arduino firmware using GSM module

Is it possible to update Arduino firmware over Internet using GPRS?

If yes, then how???

Hardware : Arduino UNO, GSM shield.

Thanks in advance.

What do you mean by firmware?

However, in general, if a thorough search of Google fails to return anything there are usually 3 reasons:

1) Incorrect search terms (judging from your previous posts, unlikely).

2) Nobody has done it before.

3) It can't be done.