[Q] help me my karbonn a1 plus is now soft brick

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http://forum.xda-developers.com – I root my karbonn a1 plus . And i am think to make my gb device work like ics . But i make a mistake i paste the ics frimeware on my device of my friend's experia tipo . after coping my phone start immediatly and it restart again and again when i start it in recovery mode it open properly but it can't open any thing i tried it many time's . in recovery mode my vol button works but power button not working only in recovery mode . i am thinking to flash a new firmware with odin with my pc . i search a lot but i am not get firmware any on any sit . i am not know that how to use odin . please he (HowTos)