Download KitKat 4.4.2 Android stock firmware for Jiayu S2 smartphone from here or here. Download another stock firmware for Jiayu S2 smartphone from here. Download another Jiayu firmware from here.
Archive name: S2-20141016-151852_4.4 SD card update fw
Archive file size: 506 MB
Image file name: update.zip
Support: Mediatek MT6592
Build number: S2-user 4.4.2 KOT49H eng.scm.1413443752 test-keys
Baseband: MT6592_S00_MOLY_WR8_W1315_MD_WG_MP_V34_1_wg_n
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