If you have any mobile set which support 4G network, you can check whether or not 4G signal of Reliance Jio network is available at your place or home by using your mobile handset with any other sim card. To check availability and coverage of 4G network at your place following are the method. (this method can be used for any mobile notwork like 2G, 3G, 4G network of any mobile network service provider like Airtel 4G, Idea 4G or Reliance Jio 4G. )
Insert any sim card (of BSNL, Idea, Airtel, vodafone etc SIM card) in SIM slot which is made for 4G (mostly first SIM slot).
In your mobile handset, go to setting and press (click) “Mobile Networks” as show in pic below.
Select the first sim slot (as this slot in most mobile is for 4G network) and press (click) “preferred network type” as shown in pic below.
If your mobile handset support 4G network, it will show one option of LTE (4G), select it as shown in pic below.
Then on mobile network setting, press (click) “Network Operators” as shown in pic below.
Then press on search networks (search networks manually) as shown in pic below.
After a while (it may take 1 or 2 minute) it will show all available networks 2G, 3G as well as 4G as shown below. Read it carefully and search your desired network by name ( here in this pic, Reliance 4G network is shown by “Ind-Jio 4G” and “Reliance 4G”.)
There is no need of only Jio Sim card for checking the Jio 4G network coverage, you can use any sim card to search the 4G network using your mobile hand set.