Lenovo S720 flashes the system showing what is going on with the upgrade package error

Hello dear users:

3. If your device system settings can switch --- default storage location in storage, please switch it to a built-in memory card before upgrading.

4. If the above operations are invalid, it is recommended that you back up your data for factory reset operation and then upgrade again, to rule out whether it is caused by system abnormality, if it still cannot be improved, please go to the Lenovo maintenance site in time for testing, and it can be solved by flashing and upgrading;

5. It is recommended that you recall whether the device has been rooted or modified system file operations, if similar operations have been carried out, it may affect the ** upgrade function, it is recommended that you go to the maintenance station to upgrade by flashing the machine to solve the problem.

Inquire about authorized maintenance sites on the official website.

Dear Lenovo mobile phone users, hello!

Sorry for delaying your normal use, if you use the PC synchronization function to upgrade the built-in file manager can not be successful, please check whether the internal storage space of the mechanism is sufficient, do not rule out the reason for insufficient space;

Check the path as: System Settings - Storage - Free space for internal storage.

If you have enough space, you can try to use the built-in music store to check whether the file management can be upgraded, because it is not ruled out that the version you are upgrading is not compatible with your mobile phone;

You can also try to upgrade other software, if you can't upgrade it, it is not ruled out that it is caused by system abnormalities;

In addition, you can also connect to a computer and use Lenovo Assistant (

to make an app update.

If the space is small, it is recommended that you delete some apps or use Lesafe Space Cleanup to optimize.

Usually, the operation of the upgrade is very simple, the upgrade package, after confirming the immediate upgrade, the phone will automatically restart into the upgrade interface, automatically upgrade, and complete the work of the upgrade later, the process is not to manually operate the phone to upgrade the lead. According to the situation you described, it is recommended that you restart your phone, go to the internal memory card (external memory card)-googleota folder, delete the file and try again

3. Conflicts of some third-party software in the system. After simply restoring the factory settings of the phone, take a look at it.

4. Please verify whether the phone has been rooted before, which affects the operation of the **upgrade. If so, it is recommended that you take the time to bring your warranty card or invoice to contact your local repair site to upgrade your system by flashing it. Inquire about authorized maintenance sites on the official website.

ps: There is a risk in flashing the machine by yourself, the failure of the brush machine with leather may lead to the failure of the mobile phone and the loss of warranty service, if you still have the need to flash your own machine, you are willing to bear the risk of flashing, you can go to Lenovo Lewen on the ** firmware flash by yourself, related links: