@JoyJaipur
@Joy I am using D-Link dsl224 v fiber modem ,it can support 300 mbps check here but I am using 40 mbps .I've got many calls from airtel that my area got upgraded to high speed upto 300 mbps so i want to know can i ask them to change my speed to 100 from 40 mbps without plan change ,I'm using vfiber plan on a non fiber line and want speed upgrade for the same line ,don't want to change to fiber due to covid situation as then they will enter home premises . ? if yes what specs i need to share about my modem .I am confused where to check those specs ,can you please help me out ,thank you !Huawei HG633