iPhone 7: Error (-1) during restore
Hello,
I had been using my iPhone 7 128GB smoothly since last two months but it used to get little warm due to continuous usage of 3G/LTE which I thought is normal. But on one day it suddenly rebooting and after then it kept rebooting randomly. Being sick of these restarts, I restored the iPhone with the latest IPSW+iTunes and all my attempts turned into error (-1) in Recovery+DFU mode. Then I removed the SIM card and restored through DFU mode which was successful. As soon as, I inserted my SIM card back it started rebooting again and eventually this screen showed up. After that up till now I am not able to restore the iPhone through any procedure. Please help me in this regard and is this hardware related? Thanks
iPhone 7, iOS 10.2.1