The Bluboo S3 is a huge battery monster with borderless Samsung S8 design for a budget price of just under $150. The Bluboo S3 boasts a stately 8500 mAh, and features such as NFC, 12V / 2A Quick Charge, and Face ID are also featured on the 6 inch 18:9 display. Dual Camera was the idiotic feature of the year 2018 we can look forward to the small Chinese manufacturers on Face-ID without significant benefits.
Design & Appearance
The Bluboo S3 presents itself to the public with a differentiated finish, with a rough texture, and with curved ends, for a better comfort in the use, since it turns out to be a smartphone with a thickness greater than usual, given its great battery. The screen of the S3 is a Sharp of 6 inches, with a ratio of 18:9 and a resolution FullHD + of 1080 x 2160 pixels. Apparently, the frame will be one of the thinnest in the segment, with the screen occupying 91% of the front panel.
Hardware
For the performance of an octa-core is responsible, but it is only the well-known MediaTek MT6750T. For the price range consistent, but unfortunately not quite up to date. The MT6750T offers enough power for everyday life: Standard tasks are no problem, only one must be able to live with one or the other Lag or accept loading times. The Full HD + resolution also puts a strain on the Octa Core. In addition, the Bluboo S3 4GB of memory and 64GB system memory are installed. As operating system directly Android 8.1 Oreo was announced, perhaps the S3 comes but initially only with 8.0 and later (or not at all) receives its update to 8.1.
Features 
The battery of this Bubloo is 8500 mAh which, according to the brand, will guarantee video playback up to 20 hours, 36 hours of music playback, 88 hours of talk time. Translating into moderate daily usage, the user can achieve autonomy up to 6 days, which we know is a requirement of many. Loaded with the latest generation Pump Express 3.0, via USB-C so flow 12V / 2A (in the best case) in the Bluboo S3. the device also features fingerprint reader in the back, face reading, FDD-LTE and NFC connectivity. It will be updated soon for Android 8.1 Oreo, this being a promise from the manufacturer. the rear dual camera with 21- and 5-megapixel sensors, as well as the front 13-megapixel camera, provide a sufficiently high quality of photos in daylight. Particularly high-quality photo differs frontal camera. Its resolution is 13 megapixels, which is quite rare in mid-range phones, and exemplified photos show very accurate color reproduction. Additionally, it includes USB Type-C and OTG, Wi-Fi ac and Bluetooth 4.0.
Where To Shop
Although the Bluboo offers cool features such as NFC, good reception, and a large high-resolution display. the price of Bluboo S3 is really good! Right now Grab on TOMTOP in just $149.99, for a smartphone with a fat 8500mAh battery is hot. Smartphones in the battery life leaderboard are usually more expensive. So, if you are looking for a Decent smartphone with a giant battery so grab it now!