i have getting an error 0x8007002 in lumia 730

[avinash matta]

i have getting an error 0x8007002 in lumia 730 after degrading from windows 10 to 8.1 by windows recovery tool. i tried hard reset and soft reset but when ever i update or download packages i get :-(

It's probably a temporary problem. To try again,go to settings >Phone Update
(0x80070002).
problem is there since 2months but unable to find any solution. please anyone tell me if u know
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[avinash matta]

finally found the solution for this
the problem is because of system corruption files in mobile
what i did is i used windows recovery tool again for a clean install of windows and it worked out(i didn't used backup file and i started fresh)