I bought a phone the...

I bought a phone there in February and by the following month it had problems like the speaker , battery percentage hoing down and all of that I went there for the first time they said they dont have stock two weeks passed and I went there again they said they don’t have stock again but they took my number and details promised to call me back when they have it it has been 5 weeks ever since but they never called and when i try to call them they don’t answer at that time I am a student so going ther is expensive as they are located far from my res