Upgrading method, upgrading device, user equipment and storage medium

The embodiment of the invention discloses an upgrading method, an upgrading device, user equipment and a storage medium. The upgrading method is applied to the user equipment, a bootstrap program and at least one application program are installed on the user equipment, and the upgrading method comprises the steps that in response to an upgrading request of a first target program, a first upgrading file of the first target program is obtained from a server side; determining a compatibility result between the first upgrading file and the preset programs of the current version, and determining the preset programs with incompatible compatibility results in the preset programs of the current version as second target programs; determining a compatible version identifier of a second target program based on a version identifier of a first target program in the upgrading request; obtaining a second upgrading file of the second target program based on the compatible version identifier of the second target program; and upgrading the first target program and the second target program based on the first upgrading file and the second upgrading file.