★ Description of the problem: This prompt usually appears because an old version of the same software was not deleted in the mobile phone when the software was installed, and it was repeatedly installed. Or conflicts caused by different titles of old and new software installers.
★ Solution: Option 1: Uninstall the old version and install the new version of the software. Type 2: Unpack the new version of the software and change the title of the installer to be consistent with the old version in the PKG document. ☆☆☆ Error Tip 2: Certificate error.
★ Problem description: 1. The installed software is not signed. 2. If it's a JAR program, it's usually because the certificates are in conflict. (Many java games will give this error prompt. For solutions, please refer to Article 2 below. )
★ Solution: Option 1: Software signature. The second type: directly install the program (software/game) on the mobile phone. ☆☆☆☆ Error Tip 3: Certificate Expiration Problem Description: Software certificate expires.
★ Solution: Option 1: Adjust the time of the mobile phone to the time limit of the certificate, and then install it. Just set it back to the correct time after installation. Type 2: Re-sign the software. ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆973
★ Solution: Adjust the time of the mobile phone to the certificate period, and then install it. Just set it back to the correct time after installation. ☆☆☆☆ Error Tip 5: The required program access rights are not granted.
★ Problem description: 1. Due to the security problem of the third edition of Saipan system, the permissions of some programs are prohibited. Programs without this permission cannot be installed. 2. Error in the certificate.
★ Solution:No. 1: Cancel the forbidden authority of the program (that is, crack XX mobile phone). Type 2: Re-sign with unsigned software before installation. ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆973
★ Solution: Re-sign with unsigned software before installation. ☆☆☆☆ Error Tip 7: Protected applications provided by untrusted providers cannot be installed.
★ Description of the problem: There are several possible reasons for this problem: 1. Mobile phone setting problem. 2. The software is unsigned or the signature is incorrect. 3. Certificate conflict.
★ Solution: Option 1: Enter the program management of mobile phone-Option-Settings: Set "Install Software" to → All, and set "Online Certificate Check" to → Close! Type 2: Re-sign unsigned software before installation. The third type: after the grid machine is installed. (Note: Please pay attention to backup your own data before checking the machine. ) ☆ ☆ ☆ Error prompt 8: File corruption.
★ Problem Description: The installer file is damaged or incomplete. When downloading or decompressing the program, the file may be damaged. Solution: Please make sure that the downloaded program file is good. It is recommended to download or decompress the program again and try again. ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆973
★ Solution: Delete the installed JAR program, change the file name of JAR program to full English and try again. ☆☆☆☆ Error prompt 10: The mobile phone failed to start, please contact the retailer.
★ Description of the problem: This prompt usually appears when the mobile phone is restarted after the installation of a program fails, and some of it is caused by the failure to upgrade the machine.
★ Solution: If a program fails to install, just take out the memory card and restart it. And delete the wrong program. If it appears after the upgrade of the mobile phone, it will be repaired again. It should be noted that some booted and memory-resident software cannot be solved by formatting. So these softwares need to be shut down or deleted before the soft grid.