2. The mobile phone installation software prompts "signature conflict, inconsistent with the old version of the signature", which may be that there is residue when you uninstall the software. You can clean up the garbage through I housekeeper scanning, restart the phone and try to install it again.
3. The application solution of installation signature conflict is as follows: Enter the housekeeper and select "Mobile phone cleaning" or "space management". Delete cache garbage. Restart the phone before installation. If the signatures still conflict, please open the settings page and select more settings. Select "Application".