Asus — phone after service is not fine

Address: New Delhi, Delhi

I have zenfone 5, there was a problem in my phone it was not getting on 3g, and it all happened after upgrading ur software. After 10 days i got my phone back from service department. And i m still facing issues of 3g . Sometimes it shows 3g networks and sometime it disappear and same withwith 2nd sim also. I was not happy with ur service department also. I request u to pls replace my phone as i dont have patience to go again to service department. My no. Is [protected]