Download KitKat 4.4.2 Android stock firmware for Jiayu S2 smartphone

Download KitKat 4.4.2 Android stock firmware for Jiayu S2 smartphone from here or here. 

Archive name: JIAYU S2 card update fw
MP_mt92_s2_s2w_jyt_kk_wcdma_ldata_mul_tphone_20141024-142615
_songlixin_TF.zip 
Archive file size: 542 MB
Support: Mediatek MT6592
Build number: S2-user 4.4.2 KOT49H eng.scm.1414131831 test-keys
Baseband: MT6592_S00_MOLY_WR8_W1315_MD_WG_MP_V34_1_wg_n