Reliability 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 A40, 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, he obtained the military certification MIL-STD-810H and the certification of fluidity 36 months. All this means having a smartphone always ready for any eventuality, which will last over the years, without any worries.Sample performanceOPPO A40 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 6GB of RAM, expandable up to 12GB and the extensive 128GB storage memory, expandable up to 1TB, ensure responsiveness and space in any context of use. And, cherry on the cake, OPPO A40 integrates BeaconLink, to make calls, between compatible devices, even without network connectionImpossible to go unnoticedFor us, the beauty of technology has always been a forehead, and OPPO A40 is no exception. Subtle and light, it is offered in two distinctive and original colors made with care and attention to detail, Sparkle Black and Starlight White. 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.