iphone 7 blinking logo after defective battery
 

I changed the battery after that phone only goes on and off in apple logo
Doesn’t go in recovery or dfu mode
Tried everything nothing works
Any ideas?
Thanks

change bettry problem solve

Done that,still the same
Already found a way to put the phone in dfu
But gives 2009 error itunes it neans it needs the NAND to be programed
Nothing i can do