Download KitKat 4.4.2 Android stock firmware for Jiayu S2 smartphone from here or here. Download previous firmware from here or from here. Download another Jiayu firmware from here.
Archive name: MP_mt92_s2_s2l_jyt_kk_wcdma_ldata_tphone_
20141105-201718_songlixin_PC
Archive file size: 481 MB
Support: Mediatek MT6592
Project: vanzo92_cwet_kk
Config_version: V1.1.2
Baseband: MT6592_S00_MOLY_WR8_W1315_MD_WG_MP_V34_1_wg_n
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