Download Android Jelly Bean 4.2.1 stock firmware for Umi X2 smartphone

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Download Android Jelly Bean 4.2.1 stock firmware for Umi X2 smartphone from here or from here.

Archive name: UMI X2 Color OS 2.0
Archive file size: 487 MB
Model: Umi XII / X2 smartphone
Platform: MediaTek MT6589
Build number: V6-user 4.2.1 JOP40D eng.scm.1372042832 test-keys