As a result, the user is forced to change devices, since it is increasingly difficult to replace the battery of new smartphones. Another recurring problem is when someone wants to buy a used cell phone.
However, in some cases, it is somewhat difficult to know how many cycles are left for the battery to start losing performance. So if you are a Xiaomi smartphone owner, there is a very simple code to verify this information.
Open the phone application and enter the code * # * # 6485 # * # *. A screen will automatically open with a series of data.
See below a capture made on a smartphone with MIUI 10 and Android One ( Mi A3 ). The code also works normally on devices with MIUI 11.
Despite the amount of information about the battery scaring, the most important data is in the item identified as MF_02. The number that appears on it is the number of cycles already used in that battery, that is, how many times we put the phone to recharge.
Items MB_00 and MB_06 are also important because they indicate the current percentage of the battery and its health, respectively
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Currently, the battery of a smartphone starts to lose effectiveness after 500 kilos, that is, after about a year and a half. Therefore, having access to this information on the device is important.
Source: c.mi.com