Oppo A15s 64GB Blue

Oppo is a major Chinese technology company that designs and makes smartphones as well as other consumer electronics. Oppo phones are produced by OPPO itself, a global manufacturer known for its Reno and Find series and its ColorOS software. Oppo is also linked to a wider family of brands that includes names like OnePlus and realme, which is why you may hear people describe them as part of the same broader group, even though they operate as separate brands.

Oppo phones come from China, as the Oppo brand was founded and is headquartered there. It is a Chinese electronics manufacturer that operates globally and sells its smartphones in many markets around the world, including Europe.

The easiest way to check battery health on an Oppo phone is through the settings, because newer versions of ColorOS include a dedicated section for it. Go to Settings, then Battery, and look for Battery health or Battery status, where you can see the health percentage and any recommendations. If you do not see it right away, open Settings, Battery, and look under additional or more battery settings, because on some versions it is placed there. You can also review charging protection and optimized charging features, which often provide useful hints about battery condition and daily usage habits.