Archive name: Jiayu S3 4.4.4 fw
Archive file size: 537 MB
Platform: Mediatek MT6572
FW version: Android KitKat 4.4.4 stock
Build number: H560-user 4.4.4 KTU84P eng.scm.1423037366 test-keys
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.