Omnia Battery Life improvement?

[Guest Derren]

Hi all

Bought an Omnia on eBay. Turns out it's an Indonesian version.

vERSION:

pda: i900DXHH3/DXHH3

Is there a ROM for improving battery life? If I flashed with an Indonesian rom, would it change the Language? I can only read English.

Thanks.

Edited December 19, 2008 by Derren