UMI Z1 Pro


UMI Z1 Pro
UMI Z1 Pro (Z Series)
Graphics adapter
6144 MB 
5.5 inch 16:9, 1920 x 1080 pixel 401 PPI, AMOLED, glossy: yes
64 GB eMMC Flash, 64 GB 
802.11a/b/g/n (a/b/g/n), Bluetooth 4.1, Dual SIM, LTE, GPS
height x width x depth (in mm): 6.95 x 154.4 x 75.1 ( = 0.27 x 6.08 x 2.96 in)
Operating System
Android 7.0 Nougat
Primary Camera: 13 MPix
Secondary Camera: 5 MPix
148 g ( = 5.22 oz / 0.33 pounds) ( = 0 oz / 0 pounds)



Average Score: 78.83% - good
Average of 6 scores (from 9 reviews)
price: 78%, performance: 77%, features: 81%, display: 81% mobility: 83%, workmanship: 90%, ergonomy: 82%, emissions: - %

Reviews for the UMI Z1 Pro

82% Umidigi Z1 & Z1 Pro
Source: German DE→EN
Comparison, online available, Long, Date: 08/28/2017
Rating: Total score: 82% performance: 70% display: 90% mobility: 80% workmanship: 100%
84% Umidigi Z1 Pro der dreiste iPhone-Klon
Source: Curved German DE→EN
Single Review, online available, Medium, Date: 07/25/2017
Rating: Total score: 84% performance: 84% display: 85% mobility: 82%
Umidigi Z1 Pro Review / Análise | Serão 6GB de RAM suficientes?
Source: 4G News Portuegese PT→EN
Positive: Great built quality; decent hardware; support dual sim; nice speakers. Negative: Poor display; mediocre dual cameras.
Single Review, online available, Short, Date: 08/22/2017
80% Recensione Umidigi Z1 Pro: gran batteria e display AMOLED in meno di 7mm
Source: Italian IT→EN
Single Review, online available, Long, Date: 08/11/2017
Rating: Total score: 80%
70% UMIDIGI Z1 Pro, la recensione (foto e video)
Source: Italian IT→EN
Single Review, online available, Medium, Date: 08/09/2017
Rating: Total score: 70% price: 80% features: 80% display: 70% mobility: 80% workmanship: 80%
77% Recensione UMIDIGI Z1 Pro: doppia fotocamera e non sentirla
Source: Tutto Android Italian IT→EN
Single Review, online available, Medium, Date: 08/08/2017
Rating: Total score: 77% price: 75% features: 82% display: 80% mobility: 88% ergonomy: 82%
Recensione Umidigi Z1 Pro
Source: Notebook Italia Italian IT→EN
Positive: Beautiful design; slim size; excellent display; long battery life; good price.
Single Review, online available, Very Long, Date: 10/01/2017
Recensione UMIDIGI Z1 Pro: nuovo top di gamma UMI
Source: Tutto App Android Italian IT→EN
Positive: Good price; beautiful design; decent hardware; good speakers. Negative: Poor cameras.
Single Review, online available, Medium, Date: 07/28/2017
80% UMIDIGI Z1 Pro - Обзор тонкого суперкитайца с толстой батарейкой`
Source: Helpix RU→EN
Single Review, online available, Long, Date: 08/13/2017
Rating: Total score: 80%


Model: UMI claims that the Z1 Pro is the world's thinnest flagship killer. According to them, the device is 6.95 mm thin. But some users claim on-line that it is more than that at around 8 mm thick. You already have a warning flag, right?

This is why i have mixed feelings about this device. Its price tag is close to 300$ and all online reviews give mixed impressions. There are youtube videos which suggests not to buy the device, but then there are online review sites strongly recommending a purchase. I am more close to not buying the device.

The reason for my advice is that the software is buggy according to most of the reviews. Of course it is software and can be fixed, but after doing a research about the experience of UMI owners, they all say to stay away from UMI. Of course general impression does not mean you will have a bad experience, but it should be an indicator, a warning sign.

When you try to understand why people are complaining this much, it actually becomes obvious why you should skip this device. First of all, let's start with the good parts. The Metallic case looks good, it has a nice AMOLED screen, a 4000 mAh battery, 6 GB of RAM, a 64 GB Samsung disk and MediaTek 6757 SoC. The hardware looks promising. But the utilization is questionable. The screen lacks brightness, the speakers lack bass, the fingerprint sensor is slow, the general user experience is okay but laggy. This should not be how you would want to spend your money. The biggest complain is about the cameras. There is a dual setup consisting of a 13 MP and a 5 MP sensor at the rear side and a 5 MP front camera. Nevertheless, the pictures lack contrast and depth. It is like they are taken with low resolution cameras. In short, they do not satisfy at all.

After all this reading, research, going through different resources of information, I think of a reason to buy this device. But unfortunately can not find one. There are better and also cheaper alternatives like the Vernee Mars Pro or maybe the Xiaomi Mi6. You can even go for the Asus Zenfone series. If you can spend slightly more money, you can get better devices from Huawei or HTC.

If you still want to buy this device, just be aware that the camera will disappoint you. Other than that you may not have any issues for day to day usage. The only criticism I am trying to bring up here is that there are better devices that you can buy for the price of this phone.

Hands-on article by Ümit Yılmaz Güneş

ARM Mali-T880 MP2: Mobile graphics solution for tablets and smartphones, which can be found in ARM SoCs (for mostly Android based devices). The Mali-T880 can be built with 1 to 16 clusters, where the MP2 version features 2 clusters/cores. Non demanding games should be playable with these graphics cards. » Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.
Helio P20 MT6757: ARM based octa core SoC (8x ARM Cortex-A53) clocked at up to 2.3 GHz. The chip also includes a Cat.6 LTE modem.» Further information can be found in our Comparison of Mobile Processsors.

This display is quite big for a smartphone but frequently used for smartphones.

Large display-sizes allow higher resolutions. So, details like letters are bigger. On the other hand, the power consumption is lower with small screen diagonals and the devices are smaller, more lightweight and cheaper.  

» To find out how fine a display is, see our DPI List.
0.148 kg:

Only few smartphones are more lightweight than this.

78.83%: This rating is not convincing. The laptop is evaluated below average, this is not really a recommendation for purchase.
» Further information can be found in our Notebook Purchase Guide.
Mali-T880 MP2
Mali-T880 MP2
Mali-T880 MP2

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Stefan Hinum (Update: 2017-08-17)