4GBplus128GB

  • Vivo S1 smartphone comes with a 6.53-inch touchscreen display with a resolution of 1080x2340 pixels and an aspect ratio of 19.5:9. Runs Android Pie and is powered by a 3,940mAh battery. As far as the cameras are concerned, the Vivo S1 on the rear packs a 12-megapixel primary camera with an f/1.78 aperture; a second 8-megapixel camera with an f/2.2 aperture and a third 5-megapixel camera with an f/2.4 aperture. It sports a 24.8-megapixel camera on the front for selfies, with an f/2.0 aperture. The Vivo S1 runs FunTouch OS 9 based on Android Pie and packs 128GB of inbuilt storage that can be expanded via microSD card (up to 256GB). The Vivo S1 is a dual-SIM smartphone.
  • The A9 has a big 6.5-inch fullHD+ display at the front with a waterdrop notch. We found the display to be crisp and have good viewing angles. The Oppo A9 has a fingerprint scanner at the back which is easy to reach and is quick to unlock the smartphone. It also has face unlock which uses the 16-megapixel selfie shooter. Oppo has opted for the MediaTek Helio P70 Soc to power the A9. The phone could perform day-to-day tasks without any lag or stutter. We played games like PUBG Mobile and the Oppo A9 managed to run it at the medium settings. Storage is expandable via the hybrid dual SIM slot. The Oppo A9 packs in a 4020mAh battery that manages to deliver very good battery life. We could go beyond a day and a half while using apps like WhatsApp and Google Maps on the device. Oppo only supplies a 10W charger in the box which is a little slow to charge the device. The smartphone runs ColorOS 6 on top of Android 9 Pie.
  • The A9 has a big 6.5-inch fullHD+ display at the front with a waterdrop notch. We found the display to be crisp and have good viewing angles. The Oppo A9 has a fingerprint scanner at the back which is easy to reach and is quick to unlock the smartphone. It also has face unlock which uses the 16-megapixel selfie shooter. Oppo has opted for the MediaTek Helio P70 Soc to power the A9. The phone could perform day-to-day tasks without any lag or stutter. We played games like PUBG Mobile and the Oppo A9 managed to run it at the medium settings. Storage is expandable via the hybrid dual SIM slot. The Oppo A9 packs in a 4020mAh battery that manages to deliver very good battery life. We could go beyond a day and a half while using apps like WhatsApp and Google Maps on the device. Oppo only supplies a 10W charger in the box which is a little slow to charge the device. The smartphone runs ColorOS 6 on top of Android 9 Pie.
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