Design and PerformanceReliability and quality in the front lineOne of the first things we think about when we design our smartphones is reliability. And this also applies to OPPO A40m, which makes quality constructive one of its greatest strengths. Thanks, in fact, to the hundreds of resistance tests to which it is subjected and to the innovative materials with which it is realized, it obtained the military certification MIL-STD-810H and the certification of fluidity 50 Months. All this means having a smartphone always ready for any eventuality, which will last over the years, without any worries.Sample performanceOPPO A40m integrates the new processor, efficiency sample, Qualcomm Snapdragon 6s 4G Gen1, which allows the smartphone to be always fluid and responsive. All supported by an immense 5100mAh battery, equipped with SUPERVOOC 45W fast charging (power supply sold separately) compatible with PD technology 3.0. In addition, the 8GB of RAM, expandable up to 16GB and the extensive 256GB storage memory, expandable up to 1TB, ensure responsiveness and space in any context of use. And, cherry on the cake, OPPO A40m integrates BeaconLink, to make calls, between compatible devices, even without network connection.Impossible to go unnoticedFor us, the beauty of technology has always been a forehead, and OPPO A40m is no exception. Subtle and light, it is offered in two distinctive and original colors made with care and attention to detail, Ocean Blue and Nebula Red. Whatever the finishing chosen, it will be impossible to go unnoticed. In addition, the photo module is set in an elegant rectangular and rounded frame, which gives a premium look to the back cover of our smartphone.AppearanceScreeningType: LCD Splash TouchColor depth: 8 bitsSize: 6.67’’Screen/surface ratio: xxxPPI: 264Resolution: HD+ (1604 × 720)Color range: RT RT RT RT RT RT RT RT RT RT RT RT RT RT RT RTFrequency update of the screen: 90Hz Dynamic (60/90Hz)Touch Sampling Rate: 120/180HzMaximum brightness: 1000Nits