OPPO A57s, 4+128GB, Starry Black, 5000mAh Long Lasting Battery with 33W SUPERVOOC, 50MP AI Dual Camera, Sim Free Unlocked Smartphone + UK Warranty

Product Information

We test in 10 different shooting environments to make sure the cameras are consistent and use mannequins with different skin tones. Be aware of different screen size calculations for different units of measurement (metric vs imperial systems — depends on the country/region the device is sold in). Opening and changing apps is faster and smoother than ever so everything you do with your phone is a joy. The 5000mAh battery provides you with enough power to keep up for over 15 hours and with power saving mode, 5% battery allows you to text for over 50 minutes straight 3.

Oppo A57s review - Which?

Certain product specifications and descriptions may change for reasons including but not limited to changes in suppliers. We check the build quality of each phone by seeing how well the screen copes with being scratched and if it can survive a sudden burst of rain. The 5000mAh battery provides you with enough power to dominate in your favourite dramas for over 15 hours and with power saving mode, a 5% battery allows you to text for over 50 minutes straight.We assess the sound quality of the external speakers with a range of different music, so you can be assured that it will do your favourite tracks justice. The cookie is set by Facebook to show relevant advertisments to the users and measure and improve the advertisements. The cookie is used to calculate visitor, session, campaign data and keep track of site usage for the site's analytics report. And as an added bonus, it's easier on the eyes than ever before with reduced blue light radiation to prevent eye fatigue. Trust IPX4 Water Resistance and IP5X Dust Resistance to keep your device working perfectly anywhere, anytime from the pool to a windy hilltop.

OPPO A57s 128GB (Dual SIM) | Cellucity OPPO A57s 128GB (Dual SIM) | Cellucity

The cookie is used to remember users so that previous chats can be linked together to provide better and improved service. With a few AI-powered adjustments, AI Portrait Retouching has you looking like you belong on the red carpet. The Oppo A57s has a few more features than its sister phone, the slightly cheaper Oppo A57, such as more advanced cameras and more storage.The cookie also tracks the behavior of the user across the web on sites that have Facebook pixel or Facebook social plugin. We use cookies and similar technologies to make this site work properly and to analyse traffic and optimise your browsing experience. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.

OPPO A57s, 4+128GB, Starry Black, 5000mAh Long Lasting OPPO A57s, 4+128GB, Starry Black, 5000mAh Long Lasting

We check how well your pictures and videos come out on both the front and rear lenses, looking at colour accuracy, flash uniformity and the quality of the zoom.It schedules a segmented battery charging plan and allows you to sleep easily with the anti-burnout protection. The 5000mAh battery provides you with enough power to dominate in your favourite dramas for over 15 hours and with power saving mode, 5% battery allows you to text for over 50 minutes straight.

OPPO A57s | OPPO United Kingdom

The actual situation will vary slightly depending on the test software version, specific test environment, and specific version.It schedules a segmented battery charging plan and allows you to sleep easily with anti-burnout protection. You want a phone with a vivid, detailed and easily readable display, so we check how the screen looks in different light conditions and use microscopes to asses sharpness and resolution.