@Fure
reboot a few time can help....
also change the setup to havoc to fixed your problem...

as for saving to your pc...using winscp go to....

you can copy all received mms to pc in that folder....


@Ipzstf
your problem is cause by enhanced busybox shell....dowloading/upgrading the latest version will fixed your button problem...

@int_ua
GPS got nothing to do with mms....it your mobile operator problem....
most mobile operator blocked some contents for receiving to your device....