Default [Solved] Miro Soft Bricked???

hi
I have a xperia miro which has been out cold since the last month...it just switched of one day and wont turn back on...wen i try to charge i geta solid green led.when i press power button i get 3 red led beeps. i can get into fastboot mode but for only few seconds,,after that again green led...
any ideas will be appreciated..