WHITE IPHONE 3GS 16GB,EXCELLENT CONDITION WITH BOX ETC.HAS PROBLEM PLEASE READ. ?

REALLY GOOD CONDITION,SCREEN PERFECT,BACK IS PERFECT EXCEPT FOR A TINY HAIRLINE CRACK NEAR CHARGING PORT,WHAT IS A COMMON FAULT,BEEN WELL LOOKED AFTER,BOX WITH REAL CHARGER,BOOKS,PIN ETC,THIS PHONE IS NOT BLOCKED YOU CAN CHECK IME AND SERIAL NUMBERS WITH 02,OR MAYBE UNLOCKED DONT KNOW,I TRIED UPDATES AND WIPED ALL MY STUFF OFF,NOW CANT SEEM TO ACTIVATE KEEPS COMING UP NO SIM OR ENTER SIM.MAYBE EASY FIX FOR SOMEONE. I WILL ~~~~~NOT~~~~SELL FOR LESS THEN 80 WOULD CONSIDER SWAP COULD ADD MONEY DEPENDING ON YOURS,MUST BE 02 OR UNLOCKED AND SAME CONDITION AS MY IPHONE.