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Please download the flash files into your phone(No need to unzip):
mega.nz/#!tUxwXLDb!GLqvvFxlDzNldX-fU3Pu4mGH_zOgCOwGCPRM_qI-tcM
And then follow these steps to flash it:
settings – about phone – wireless update – local updates(on the right top corner) – internal storage - select the files which you just downloaded - install now - OK
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