BLU S1 Review

BLU has never participated in the flagship competition and made the best smartphone out there, but the products are still worth to buy because of its great value. Spilling the bean from its official website, the latest BLU products is BLU S1 that is launched in September 2017. It comes in three different color options: grey, black, and gold. The exterior is very simple at a glance, but does the rest of the specs worth 160 bucks?

Key Specs

BLU S1 key specifications:

  • 5.2 inches (720 x 1280 pixels) IPS LCD Display
  • 1.5 GHz Octa-core Mediatek MT6750 with Mali-T860MP2 GPU
  • 2 GB RAM and 16 GB internal storage (MicroSD slot up to 64 GB)
  • Runs on Android 7.0 (Nougat)
  • 13 MP rear camera with LED Flash and a 5 MP front-facing camera
  • Dimensions: 147.3 x 72.8 x 8.4 mm; Weight: 137 grams
  • Wi-Fi 802.11 b/g/n, A-GPS, Bluetooth 4.0, microUSB 2.0, Fingerprint
  • Li-Po 2800 mAh non-removable battery


BLU S1 offers premium-feel design furnished with metallic paint. Curved screen display makes BLU S1 standout among the other low budget phones. You can also unlock the phone easily by tapping fingerprint scanner on the home button. The size itself is not too big since the screen in only 5.2 inches. One handed operation is still possible and the grip is very comfortable as well. Overall, the design of BLU S1 provides a gorgeous look and excellent feel.


If you think the 5.5-inch display is too big and 5-inch display is too small, BLU S1 is perfect for your hand. BLU S1 packs 5.2 inch IPS display with an HD resolution (1280 x 720 pixels) and an average density of 282 ppi. The diagonal length of the screen eases a one-handed operation, it is not too big and not too small. Since using the IPS technology, the color pops out from the screen is very vibrant. Watching the video for hours on this phone is the best treatment.


BLU S1 runs the latest Android Nougat out of the box. While the user interface uses the stock design of Android UI as used by Pixel and Nexus smartphone. Exploring through the menu is very easy because of the simplicity of user interface. However, There is no guarantee from BLUE if the phone will be updated to Android Oreo. Considering the price tag, you should not expect about Android Oreo on this phone.


BLU S1 offers 13-megapixel main camera and 5-megapixel front camera. Both of the cameras are decent enough and not disappoint. The main camera comes with a bunch of features like LED flash, autofocus, digital zoom, HDR, panorama, face detection, continuous shooting, white balance, scene mode, and much more. While the front camera is used for selfie purpose. Even though both of the cameras produce very good quality picture on average condition, but in low light condition, the result is not so good.


Powered by MediaTek MT6750 Octa-core processor with 2 GB of RAM and clock speed up to 1.5 GHz makes BLU S1 able to do flawless multitasking. Basic applications are easy to handle, but if you are opening a lot of applications, the lag will definitely come. To store all of your important files, BLU S1 gives you 16 GB built-in memory and expandable up to 64 GB via microSD card.

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BLU support 2G, 3G, and 4G LTE network. The availability of 4G LTE connection helps you to surf the internet more quickly than HSDPA. Its speed is up to 300/50 Mbps. Speaking of the other connections, there are Wi-Fi, hotspot, Bluetooth 4.0, GPS, FM radio, and micro USB 2.0. Unfortunately, there is no NFC support on this phone. For the smartphone under $200, You can say BLU S1 has enough options of connection.


The battery becomes one of the most important considerations when buying a new smartphone. BLU S1 packs 2800 mAh lithium polymer battery behind the back cover. The capacity is quite small to power up the phone in heavy usage. The battery is also not removable. The lack of fast charging system adds the drawback of BLU S1 battery system.


The BLU S1 is one of the many budget smartphones you can buy under $200. The specs and the design are worth your money. The BLU S1 also has curved glass touch panel that makes it different to the other budget phones. However, the operating system will be stuck on Android Nougat since there is no info whether BLU promises the update or not.


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