Samsung galaxys duos (gt-s7562): Soft brick (bootloop)

RECENTLY I STARTED HAVING BATTERY PROBLEMS WITH MY SAMSUNG GALAXY S DUOS
I LOOKED UP ON THE WEB AND SAW THAT CUSTOM ROOM'S MAY SOLVE MY PROBLEMS
I INSTALLED A CYANOGEN OS BUT STILL THE BATTERY PROBLEM PERSISTED
THEN I BOUGHT A NEW CHARGER
IT SEEMED THAT THE NEW CHARGER SOLVED MY PROBLEM
SO I DECIDED TO SWITCH BACK TO MY STOCK FIRMWARE
I THOUGHT THAT WHY NOT TRY STOCK FIRMWARE OF ANOTHER DEVICE
BUT BY DOING THIS I ENDED UP WITH THE-->>"FIRMWARE UPGRADE ENCOUNTERED AN ISSUE. PLEASE" ... BLAH... BLAH... BLAH
THEN I DOWNLOADED STOCK FIRMWARE FOR MY DEVICE ONLY AND FLASHED IT
IT GOT RUNNING
BUT AFTER A FEW DAYS I GOT BORED WITH THE LAGGY STOCK FIRMWARE
SO I SEARCHED XDA FOR ANOTHER CUSTOM ROM FOR GT-S7562
I DECIDED TO FLASH THE PMP LIGHT ROM ESPECIALLY MADE FOR GT-S7562
BUT AFTER FLASHING IT I HAD GSM CONNECTION PROBLEMS
SO BACK TO STOCK ROM AGAIN
BUT THIS TIME WHEN I FLASHED THE STOCK ROM IT GOT STUCK AT THE SAMSUNG LOGO
I COULDN'T GO INTO RECOVERY MODE THEN
SO I CORRUPTED THE DEVICE AGAIN AND INSTALLED THE STOCK FIRMWARE
BUT AGAIN BOOT LOOP NO BOOT SOUND AND NO RECOVERY
I TRIED MANY THREADS
I TRIED http://ift.tt/1lYlMlc
I TRIED http://ift.tt/1rBdJQf
AND MORE AND MORE THAN THE NUMBER OF NERVE CELLS IN MY BODY

SO...

PLEASE ANY HELP WOULD BE APPRECIATED
I WROTE THIS WHOLE THREAD WHILE CRYING:crying::crying::crying:

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