Two weeks ago, we brought to you the top 5 4G phones under Rs 10,000. In case that price range was too low for you, this week, we’ve upped the ante. Listed below are our top 5 phone 4G phones under Rs 20,000. Let us know what you think in the comments!
The Nokia Lumia 830 has a 5 inch HD IPS display with a resolution of 720 x 1280 pixels. The phone runs on Windows 8.1, and has a quad-core 1.2 GHz processing unit, which runs with 1 GB of RAM. The Internal Memory of the Nokia Lumia 830 is 16 GB, to which you can add another 128 GB via a microSD card. 
The primary camera of the Lumia 830 is a 10 megapixel Carl Zeiss lens with auto-focus, PureView technology, geo-tagging, face detection, panorama, flash, video recording at 1080p at 30 fps, and optical stabilisation. The front has a 0.9 megapixel unit which can record videos at 1080p. The single-SIM Lumia 830 has 4G, GPS, Bluetooth, WiFi, DLNA, and NFC by way of connectivity. The 2200 mAh battery can provide up to 13 hours of Talk time or 528 hours of standby.
The Huawei Honor 6 has a full HD 5 inch IPS display with a resolution of 1080 x 1920, meaning a Pixel density of 441 ppi. IPS technology allows for wider viewing angles, and a higher resolution/pixel density means better images and clarity. The Huawei Honor 6 has an octa-core 1.7 GHz processor, with 3 GB of RAM. The internal memory stands at 16 GB, to which another 64 GB can be added. 
The primary camera of the Huawei Honor 6 is of 13 megapixels. It has auto-focus, geo-tagging, face detection, HDR, flash, and video recording at 1080p at 30 fps. The single SIM 4G device has GPS, Bluetooth 4.0, WiFi, and DLNA. The 3100 mAh battery provides up to 20 hours of talk time or 72 hours of standby.
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The OnePlus One has a 5.5 inch FHD LTPS display with a resolution of 1080 x 1920 pixels. The phone runs on Android KitKat, with Cyanogen Mod, but the upgrade to Lollipop/Oxygen OS is available OTA. The OnePlus One has a 2.5 GHz quad-core processing unit with 3 GB of RAM. The phone has a non-expandable internal storage of 16 GB. 
The primary camera of the OnePlus One is a 13 megapixel unit with auto-focus, geo-tagging, face detection, panorama, HDR, Sony IMX214 sensor, an Aperture of f/2.0, six lens array, and video recording at 2160p at 30 fps, 1080p at 60 fps, or 720p at 120 fps. The single-SIM OnePlus One has 4G, GPS, WiFi, Bluetooth, DLNA, and NFC for connectivity. The power is provided by a 3100 mAh battery.
The Samsung Galaxy S4 has a 5 inch Super AMOLED Display with a resolution of 1080 x 1920 pixels. It has an octa-core 1.6 GHz processor which runs with 2 GB of RAM. The internal memory stands at 16 GB, to which another 64 GB can be added. The camera of the Samsung Galaxy S4 is a 13 megapixel shooter, with a host of features, including simultaneous HD video and image capturing and it also has a 2 megapixel front camera.
The connectivity options on the Samsung Galaxy S4 range from 4G, Bluetooth, WiFi, to GPS, DLNA, and NFC. The 2600 mAh battery can provide up to 17 hours of talk time or 370 hours of standby.
Armed with a large 5.5 inch FHD IPS display, the Lenovo Vibe Z has an impressive ppi of 401, thanks to the resolution of 1080 x 1920 pixels. The device runs an older version of Android, namely, Jellybean, but it does have a fast 2.2 GHz quad-core processor running alongside 2 GB of RAM. The internal memory is a non-expandable 16 GB. 
The Lenovo Vibe Z has a 13 megapixel primary camera with auto-focus, geo-tagging, face detection, HDR, etc. The front has a 5 megapixel fixed focus camera. And it also records videos in 1080p at 30 fps. Naturally, the Lenovo Vibe Z is equipped with 4G, but it also has WiFi, Bluetooth 4.0, GPS, etc. The battery is 3000 mAh affair, with a claimed talk time of 33 hours or 648 hours of standby.