[Q] My SP mistakenly upgraded to .1.257 from .211 instead of .2.245...HELP ASAP

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http://forum.xda-developers.com – I was excited about the new .2.245 upgrade which has minor changes.But my SP upgraded to .257 instead of .2.245.... And now when I am trying to re-upgrade via PC Companion it won't upgrade.It says that 'There is no software for your mobile'.But everytime I connect it to PC it gives the notification of .2.245 upgrade. And while installing PC Companon I overlooked the location thing.It mistakenly installed US version instead of Indian version.(I live in Mumbai,India) Now what the heck I can doo..??PC Companion is not working(uninstalled and installed many times after this issue and also cha (HowTos)