UMI Hammer Review [English]
Nederlandse review: productreview: Umi Hammer Wit review door benbaba
Body and Design
This review is about the latest model of the Chinese manufacturer UMI: the Hammer. According to the manufacturer, this model should be durable and strong. You can buy this model at Coolicool.com
For those interested below two videos in which the strength of the body of the Hammer is tested.
Umi Hammer Amazing Test-Violent test
UMi Hammer Drop and Smash Test
MTK6732, Quad-Core, 1.5GHz
ARM Mali-T760 MP2,500MHz
5.0 inch HD IPS Screen 1280 X 720 pixels
13.0MP back camera - Front, 3.2MP
144 x 71.6 x 7.9mm 168g
The box of the Hammer is quite small and thin. It basically contains two parts: a white shell and a blue box with the phone in it. The manufacturer's logo is printed on the white box and underneath it rootjoy. On the other side you'll find two stickers with the specifications and some other information.
The blue box contains the company's logo and again rootjoy is printed underneath it. When you open the box you will find a total of three separate spaces. At the left side the phone. next to it the micro-USB cable and EU charger 1A. Among these items you'll find a small overview paper and a blue silicone stand. The packaging of the Hammer looks like the the packaging of the OnePlus One, but UMI used a different color and changed the inside a bit. The box contains:
• 1 x UMi Hammer Smartphone
• 1 x 2250 mAh battery (already in the phone)
• 1 x 5V 1A charger
• 1 x micro USB cable
• 1 x documentation / overview
• 1 x silicone stand
The packing looks nice and it is very decent for a budget-phone. A fun fact: it doesn't say Made in China, but Made in PRC (People's Republic of China).
Body en design
The UMI Hammer looks like the VIVO Xshot. This isn't necessarily bad, because the Xshot is well built and it has premium finish. The same can be said about the UMI Hammer. Its design is simple, but the device feels fine and solid. This is mainly due to the aluminum frame which gives the device a luxurious look and feel. The edges are slightly thicker at the top and bottom and they highlight the slightly curved back. The metal edge is interrupted by six plastic inserts: two times at the bottom, two times at the top and at the left-and right-hand side.
The front contains a 5-inch screen which makes the device 71,6mm wide and 144mm long. The bezels are rather average - not small and not very thick. Furthermore, you'll find a well-placed screen protector on the screen. At the top you will find the front camera, notification LED, speaker grill, proximity sensor and light sensor. At the bottom you'll find the three commonly used capacitive buttons. The menu, home and back buttons have a silver color without backlight.
The first thing you notice at the back of the device is the the rather large camera lens. The lens is not only large, but it also sticks out noticeably. This is not really necessary, because the camera module itself is rather small and it does not need such a large protective lens. Anyway, next to the camera you''ll find a double flash and centered at the bottom the new UMI logo. Here you''ll also find three pieces of text: Hammer, Designed by UMI in China and UMI Technolgy & Android Smartphone. Below the text you'll find a small speaker grill. The battery cover is made of polycarbonate (plastic) and feels nice and soft. Fingerprints are hardly visible, and the thin material contains a small opening at the bottom.
The left side contains one insert and no buttons. On the right side you'll find the power button and above it the metal volume buttons. The top of the device contains the micro-USB connector and the 3.5mm headphone jack. The bottom side of the handset contains two plastic inserts and a microphone.
All in all I must say that the Hammer is a well built device and it doesn't look inexpensive. The device is well made and doesn't have rough edges or open spaces. One handed use will be possible for the majority and fortunately the device isn't a fingerprint magnet. The device weighs 168 grams which is quite heavy for a 5-inch device, but it matches the quality look and feel.
The 5-inch screen of the Hammer has a resolution of 1280 x 720 pixels, which makes a pixel density of 294ppi. The screen is not extremely sharp, but it looks good. It is certainly not unsharp, but someone with a good eye will notice some rough edges compared to FHD screen. This is not a disaster, because the screen looks decent on the whole. The brightness seems average, the black levels and color reproduction seem fine.
The IPS technology gives it decent viewing angles. However the brightness and contrast sightly decrease at an angle, but this is the case for the majority of the screens. There is not much to complain during normal use. The pixels aren't very close to the surface, like laminated screens, and you can clearly see black borders around the screen due to the white bezels. The screen shows some backlight bleeding, but nothing serious and it can register up to five fingers.
UMI also jumped on the 64-bit train. The Hammer contains a new MediaTek MT6732 quad-core SoC, the successor of the popular MT6582. It is the first 64bit mobile processor made by the Taiwanese company MediaTek. It is a quad-core processor with four ARM Cortex A53 cores at a maximum clock speed of 1.5GHz. The cores are supported by a T760MP2 Mali graphics processor and 4G LTE support is also supported.
UMI has installed 2GB of RAM and 16GB of built in storage (12,6GB available). Also present are a micro SD slot and space for two SIM cards. Bluetooth and hotknot are also present, but 'normal' NFC is missing. The Hammer also supports 4G LTE on the 800MHz frequency (Band 20) which is used in (some) European countries.
The specifications are fine on paper and in practice the Hammer offers an excellent user experience providing smooth and fast animations.Due to the rather powerful GPU and the amount of pixels the device doesn't have real problems with heavy 3D games. Multitasking is not a problem for the Hammer because of the 2GB of RAM.
I ran some benchmarks and you can find the results below.
3D mark icestorm: 4985
AndEMark Native: 2382 (1 Thread)
AndeMark Java: 153 (1 Thread)
GFX Manhattan: 8.2 fps (1080p offscreen: 4.1fps)
GFX T-Rex: 18 fps (1080p offscreen: 11 fps)
The Hammer has a fairly modest battery capacity, at least for today's standards, its capacity is 2250 mAh. Nevertheless,with low to moderate use it is certainly possible to work on the device a entire (working) day. This is of course not a guarantee for everyone, because if you start to game for hours you most likely have to charge before the end of the day. It's hard to say exactly how long the battery will last due to several aspects. Think of signal strength, screen brightness and the type and amount of applications.
However I've done some battery benchmarks to tests the battery life. In the first test I played a video continuously at full brightness. The Hammer lasted for 4 Hours. I did the same thing with the Mijue M690+ and iOcean X1. Of course, the maximum brightness differs per unit, but it gives you reasonable idea. For the the second test I used the battery test of PCMark. This application simulates daily activities, such as browsing, typing and scrolling through documents. You can find the results below. Fully charging the battery will take about 2 hours and 5 minutes.
PCMARK UMI Hammer
4h 21m -- [35% brightness]
Videoloop [100% brightness]
UMI Hammer (2250 mAh) : 4h
Mijue M690+ (1950m mAh): 3h and 40m
iOcean X1 (1600 mAh): 2h and 35m
The UMI Hammer comes with a (almost) stock Android KitKat version. However it has minor additions. There is no skin on top of the interface, so no changes visually. UMI has added a few options to the settings menu. One of these options is HotKnot: a data exchange application - similar to NFC - designed by MediaTek. This function uses the screen of the device and does not need any antennas. You simply place the device on the screen of another device with Hotknot to make connections and in order to exchange data.
Another addition is Gesture Sensing. This allows you to control apps without touching the screen.This works reasonably well, but your hand has to be very close to the sensor. You can use this enable this feature for 6 applications. Smart Wake is a more useful addition. With Smart Wake you can enable ten different ways of unlocking or waking up your device. One double-tapping the screen and other options are swiping lines and drawing letters. This works fine and it can be useful.
Wireless Update is also added to the settings menu. It is also known as over-the-air update (OTA).This allows the phone to search for software updates (automatically) and when available to install it too.
The UMI Hammer includes several languages. The translation works fine and about 99% percent is translated correctly - from English to Dutch for example. Only gesture sensing, smart watch and the app permission manangement remain in English. The device is pre-rooted and SuperSU, Super Cleaner, WeCall, Torch are the only pre-installed applications.
The lockscreen has only one options, which is swiping to the right to unlock. The main or homescreen contains nothing fancy or flashy. The only thing that's changed is the button on the appdrawer- it has UMI's logo.
A PC program made by UMI which allows UMi owners to update, backup and even install custom ROM’s. It works fine, but I wouldn't call it something essential. The program is designed for the UMI Zero, because you won't find any updates or custom ROMs for the Hammer and it shows a picture of the Zero instead of the Hammer, even if you connect your Hammer.
The Hammer has a 13 megapixels rear shooter with dual flash, at least this is what UMI claims. However the single flash of my Xiaomi M2A produces more light than the dual flash of the Hammer. In other words the single flash of the M2A performs better than the Hammer's dual flash. The camera shoots 13MP pictures at a resolution of 3120x4160. The details of the pictures indicate a maximum aperture of f /2.0 and a focal length of 4mm.
The Hammer also uses the the default Android camera app. The camera app starts fairly quick and the same goes for taking a picture. Using it is simple and you can choose a couple of modes. Switching to the front cam is also simple and quick. The front cam has a resolution of 3.2 MP. The quality is nothing to write home about, but I guess it's better than no front camera at all. The device records with a maximum resolution of 720p @ 30fps.
If you take a look at the big camera lens and the claimed specs you'll most probably expect decent pictures. The Hammer unfortunately proves otherwise. The pictures show a lot of noise and often appear to have some sort of glow in them. The colors are a bit dull and not very accurate.The auto-focus does its job, but clearly struggles in darker situations. The camera also tends to use the flashlight in fairly light situations. This results in overexposed pictures. Simply put, the Hammer contains a very average camera. It's certainly not something you expect from a 13 megapixels camera and a huge lens. The camera is okay for some pictures here and there. The camera, front and back, disappointed me and they are not the strongest point of this device.
1st UMI Hammer (13MP) - 2nd Xiaomi M2A (8MP)
The Hammer supports WiFi 802.11b / g / n. Not sure if 5Ghz is supported to, couldn't test it. The Wi-Fi reception of the Hammer is about average I think and once connected it remains stable.
The GPS signal seems to be below average. The unit spots fewer satellites than I'm used to. It also struggles to get a quick fix. The Hammer usually spots 11 satellites (in view) and it uses 5 or 6 of them. This is less than other (MTK) devices I've tested in the past. The signal strength or signal to noise ratio (SNR) is also below average. I think this is partly due to the metal frame of the device. The Hammer, at least my unit, is not suitable for daily navigation.
The Hammer contains a micro-SIM card and a standard SIM card slot. The reception and call quality are both fine; the speakers and microphone do their job, but the sound is less clear than more expensive phones. The speakers also work okay. The sound isn't bad, but also not great. The notification LED works well, but it can only light red or green. The light is pretty bright and therefore clearly visible.
The UMI Hammer is a decent and pretty attractive budget smartphone. The device has (full) 4G support, a modern 64-bits processor, a fairly recent and stock Android version, and a very decent body. These are the strong points of this device - all for approximately $140.
The screen resolution is 'only' 1280 x 720 pixels, although the overall picture is fine. In addition, the camera is not good, to say the least, for some maybe good enough. The front camera is of poor quality and therefore not suitable for selfie lovers. The GPS reception is also below average in my opinion.
The well made and decent aluminum frame is quite unique in this price range. The device feels good in the hand because of this. The Hammer is a pretty decent device, at least if you accept the weaker points. It offers good value for the money and it's worth considering.
Official UMI website
Product page Coolicool.com
All review pics full resolution(imgur album)
Needrom (Hammer page)
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