LG Electronics — worthless service unsatisfied

Maine may2018 me lg q6 liya tha jisme suru se he network problem aa rahi th to maine lg service center 44 sec chandigarh me is mobile ki pcb change kraae but problem solved nahi hui or usne mere mobile pe screches be daal diye hai. To maine area service manager pe contact kiya mr arun [protected] but wo call pick nahi kar rahe hai. To ab main ye mobile thik nahi krana chata muje is mobile ki replacement chiye.. And i am unsatisfied for there service