These best phone which supports VoLTE (You can also check the complete specs with links):
Samsung Galaxy S9 Plus - The Samsung Galaxy S9 Plus is one of the best smartphones in this price segment. It impresses the user in all grounds. It is an excellent performer featuring a wide range of quality features. A stylish looking smartphone from a topmost brand with such great elements makes it a perfect buy.
Google Pixel 2 XL - it has all the elements which one desires in a robust configured handset. So, if you are ready to get the utmost entertainment in a large-sized phablet, then this model is worth buying.
OnePlus 6 128GB - The smartphone excels in every department, be it the camera, display or the configuration. However, considering the large display and the powerful processor, a slightly higher battery backup would have done a world of good.
The Honour Play 5x is the latest offering from Huawei and comes with a robust configuration which is ideal for heavy use. The metallic body, quality display and fantastic cameras at this budget are the major highlights of the device. please check the link for details. honor 5x
Overall after looking the device it great looks and smart features, its is a great choice who prefer a balanced phone that offers it all. battery of a 3000 mAh which is also equipped with smart power of 3.0 and provides 26 hours of talk time and 740 hours of standby time on the 3G networks. check the link for full details Honor 5X