Airtel — internet speed getting slow

Address:

harora road simbhaoli, Panchsheel Nagar, Uttar Pradesh, 245207

Mere area mai sabse best speed h airtel ki but mai jb bhi roaming mein jaker vapas ghar aata hu mera net nhi chal pata saari setting kr k dekh li phone reset kr liya fir bhi nhi chalta new sim nikalwana padta h tb chal jata h.. Ab kya hr baar sim he badalwata rhu koi koi solution batao iska mai bahut jyada pareshan hu.. Phone off kr k on kerta hu to 30 sec k liye chal jata h but fir se speed 0kb ho jati h...