Download Android 4.4.2 KitKat ROM for JIAYU S3 smartphone from here or here. Download previous firmware from here. Download another Jiayu firmware from here.
Archive name: MP_mt6752_h560_s3w_jyt_cc_kk_lte_5m-cs_mul_tphone_20150123-225823_songlixin_PC
Archive file size: 639 MB
Model: JIAYU S3 smartphone
Support: Mediatek MT6752
Project: vanzo6752_lwt_kk
Config_version: V1.1.2
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