Partitions In the Android system

Hboot (the SPL we fl). This partition is the most basic boot partition (similar to the BIOS in a computer). If this partition is broken, it will almost become a brick, so we should be so careful when refreshing SPL.

Boot. This partition should be the boot partition of the Linux operating system.

Radio, which is the driver or function related to some underlying devices of the mobile phone.ProgramFor example, if you call and send text messages, different system versions have different radio packages. After we use the ROM of a higher version, without a higher version of radio, the call may be abnormal.

Recovery, this partition is installed with the previously mentioned Recovery Program. Different Recovery versions can provide different functions, if you are interested, you can compile your own recovery based on the source code of the recovery. However, in general, the primary reason for rediscovery is to grant root permissions.

System is the main function program partition of the General released Rom. The Rom function and the customization of the built-in program should be modified and compiled based on this partition.

Userdata: user data.

Cache, cache, which is generally used for the Cache during OTA upgrade, we can say that SPL can increase the size of the space in the program area, which is mainly to shrink the size of this area and then increase the size of the partitions in the program area.