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. This covers a range of tests from how well the menu is laid out to how easy it is to unlock the phone and the sensitivity of the touchscreen, so you won’t be left with a phone that’s frustrating to use. In actual circumstances, the data will differ slightly, depending on the test software version, testing environment, and device version. 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.

OPPO A57s | OPPO South Africa OPPO A57s | OPPO South Africa

The data presented on these pages comes from OPPO technical specifications, as well as test data from the laboratories and from suppliers.And as an added bonus, it's easier on the eyes than ever before with reduced blue light radiation to prevent eye fatigue. 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.

OPPO A57s | OPPO United Kingdom

It schedules a segmented battery charging plan and allows you to sleep easily with anti-burnout protection.The cookie is used to remember users so that previous chats can be linked together to provide better and improved service.

Oppo A57s review - Which?

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. The actual situation will vary slightly depending on the test software version, specific test environment, and specific version. Certain product specifications and descriptions may change for reasons including but not limited to changes in suppliers. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. It schedules a segmented battery charging plan and allows you to sleep easily with the anti-burnout protection.We use cookies and similar technologies to make this site work properly and to analyse traffic and optimise your browsing experience.

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

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. 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. With a few AI-powered adjustments, AI Portrait Retouching has you looking like you belong on the red carpet. The cookie is used to calculate visitor, session, campaign data and keep track of site usage for the site's analytics report. We also check how the battery copes with just a 15 minute charge and how long it takes to reach 100%.The cookie also tracks the behavior of the user across the web on sites that have Facebook pixel or Facebook social plugin. The data involved in theses pages are only laboratory test data, not as a quality guarantee in daily use. Opening and changing apps is faster and smoother than ever so everything you do with your phone is a joy. The cookie is set by Facebook to show relevant advertisments to the users and measure and improve the advertisements. 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.