Hello ps and pm i need your help

Hello sir



i buy my gpg emmc box today



i have karboon a15 2 handset with boot problem



i sold jtag pin out and detect set



pin find success and cpu id display



but erase and write err



after 97 % erase show err



please help me



i also have lumia 510 for boot repair but support down

and please tell me about 7z file password?

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