Error code
Android INSTALL_FAILED_UPDATE_INCOMPATIBLE
ANDROIDINSTALL_FAILED_UPDATE_INCOMPATIBLE
Android Error Code· An error code shown by Android or the Google Play Store.
What it means
The new APK cannot be installed because an existing version is already installed and the signatures do not match.
How to fix it
- Uninstall the existing version of the app before installing the new APK.
- If sideloading a replacement for a Play Store app first uninstall the Play Store version then install the new APK.
Not affiliated with Android. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More Android codes
- INSTALL_FAILED_ALREADY_EXISTSThe APK cannot be installed because another app with the same package name is already installed
- INSTALL_FAILED_CONTAINER_ERRORThe APK cannot be installed to the SD card or secondary storage because of a filesystem error
- INSTALL_FAILED_DUPLICATE_PERMISSIONThe APK declares a custom permission that conflicts with a permission already declared by another installed app
- INSTALL_FAILED_INSUFFICIENT_STORAGEThe APK cannot be installed because the device does not have enough free storage space
- INSTALL_FAILED_INTERNAL_ERRORThe package manager encountered an unspecified internal error while installing the APK
- INSTALL_FAILED_INVALID_APKThe APK file is malformed or corrupt and cannot be parsed by the Android package manager
- INSTALL_FAILED_MEDIA_UNAVAILABLEThe APK cannot be installed to external storage because the storage is not available
- INSTALL_FAILED_MISSING_FEATUREThe APK requires a hardware or software feature that this device does not support
- INSTALL_FAILED_NO_MATCHING_ABISThe APK does not contain native libraries compiled for any ABI supported by this device
- INSTALL_FAILED_OLDER_SDKThe APK requires a minimum Android API level higher than the API level running on this device
- INSTALL_FAILED_TEST_ONLYThe APK cannot be installed because it is marked as a test-only build
- INSTALL_FAILED_VERSION_DOWNGRADEThe APK cannot be installed because its version code is lower than the currently installed version