Anyone want to purchase m51 8gb varient. I want to sell my device. I don't want Samsung products

After pass one week of July there is no update till now. Are you kidding with us Samsung.You are reputed brand but your way of service per day become worst.We payed you big moneybut you.....................

When will be we get security patch update?Samsung look at the m51. I think you forgot this device 

Its true that m51 got one ui 3.5???If yesIt will be full one ui or core one ui???!!PLEASE TELL ME IF ANYONE KNOW