yes you can use wotanaserver client
but for this internet connection is required
but no credits or money it is a free service and simple just download the software and register a acoount
and insert your login and flash your w100i or any phone for free
any way see this links
[You must be registered and logged in to see this link.]it is abolutely free just register and flash your any se phone including w100i
although you flashed you can solve the problems i tried three firmwares but no luck anyway try your self
iam investigating to flash w100i to w580 soon i will post it
w100i is worst mobile,big problamatic mobile