Get root permission first, and then manually add three files for software installation.
1~ Download RE Manager
2. Use RE Manager to copy the attachment to the corresponding directory. If not, please create a new directory.
3. The permissions to modify three files with RE Manager are: select all on the left, select the top in the middle, and leave the right blank.
4, restart the phone, be sure to remember this step.
5. The contents and corresponding documents are as follows:
/system/framework/com . Google . Android . maps . jar；
/system/etc/permissions/com . Google . Android . maps . XML；
/data/app/NetworkLocation.apk .
All right, try it.