On June 28 this year, Google released Android 4.1, code named Jellybean, which has greatly improved its performance in all aspects. Although some mobile phones later released also use Android 4.1, it is still a problem for old machines released before that when they can eat jelly beans. Even the Galaxy SIII, Samsung's flagship model, has been updated to Android 4.1 in the last two months.

On the evening of December 28, MIUI The official microblog announced that this week Mi phones 1 (including Xiaomi Mobile Phone 1, 1S, and youth versions of 1 and 1S) will be public beta of native Android 4.1, and the MIUI 4.1 of Xiaomi Mobile Phone 1 will be subsequently adapted, which is undoubtedly good news for the majority of Xiaomi mobile phone users. For details of the machine brushing tutorial and ROM download, see:

Earlier this month, there was a rumor that Xiaomi Mobile 1 would not provide an upgrade to Android 4.1. Later, Xiaomi clarified this rumor.