Airtel — Airtel 4G hotspot-hyderabad

Address: Rangareddy, Andhra Pradesh, 500048

I am using the Airtel 4G hotspot since 6 months without any issues. But since last 2 weeks, unable to use. sometimes its get connected and discconnect after 5-10 mins automatically.

Even if i restart my laptop, 4g device etc. i tried multiple option but same issue.
my contact no is [protected]