This mobile from samsung company is tottaly wrost but it has less price, this product because many mobile company give more better features than samsung z4.
It has 2050 mAh battery which wrost. It is operating tizon operating system which new from samsung.
This mobile phone 1 gb of RAM and 8 gb of internal memory and it has dedicated memory card slot which expandables upto 128 gb which is very less than other companies provide RAM and internal memory.
It has front camera is of 5 and rear camera is of also 5 megapixels which is not good.