User Agent

Mozilla/5.0 (Mobile; Jio/F491H/Jio-F491H-001-06-24-271223;Android; rv:48.0) Gecko/48.0 Firefox/48.0 KAIOS/2.5.3.2

This user agent belongs to Firefox. Mozilla Foundation developed this Browser. This Browser run on FirefoxOS and it renders web contents with Gecko on general Mobile Phone.

Browser - Firefox

Firefox

Version48.0 @ 32 bit
DeveloperMozilla Foundation
ParentFirefox 48.0 for FirefoxOS 2.5
Platform firefoxos 2.5 (32 bit) by Mozilla Foundation
Device TypeMobile Phone

Act as 

Mobile Yes
Tablet No
Crawler No
Fake No
Anonymized No

Capabilities

Rendering EngineGecko by Mozilla Foundation (For Firefox, Camino, K-Meleon, SeaMonkey, Netscape, and other Gecko-based browsers.)
Pointingtouchscreen
Javascript Yes
CSS Yes Version: 3
Cookies Yes
Tables Yes
Frames Yes
IFrames Yes
Background Sounds No
Java Applets Yes
VB Script No
Activex No