Sony Xperia — Bad product

Address:

609801

I purchased a xperia m5 a month back which on the next day was dead, then i managed to geta replaced phone after one month, now suddenly in that phone ear speaker is not working and i did software update but no use...it is ridiculous to have purchased a phone worth 35k and i keep repairing it i hardly used it...plzz look up intto this issue