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Error 8507 when i try to update


Error 8507 when i try to update

Hi, first sorry for my english i am mexican and i know a little, second i am new in this community, and i am have a few days with my Kyocera Echo m9300, the problem is that when i try to update my firmware version of android, my phone download the firmware, but when the installation starts the bar of progress advance a little but after show me the "8507 error" and bottom says: The update not been able complete, contact Sprint", and well this is my problem i want update my firmware and i cant , too i try to update my profile and show me a error, i cant update anything :/


*I buy the phone used, Almost new, and when i buy the phone, i made a "Factory reset" of settings, to delete all data of the old user.

And if somebody speak spanish tell me.


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