first nimo problemahon is correctly identifying your device.
kini diri halos puro ni s4 clone diri and mt6577 ( actually it's only MT6517) pero halos puro pangutana is looking for the correct firmware
Samsung Galaxy S4 • 1 • Forum.China-iPhone.Ru.
if willing ka to waste your time researching on Russian and Chinese forum,
murag naa gyud na.