Since version 3.1.0, Locus Map requires downloading of special additional libraries during first start. Validating of Locus Map's purchase state is also processed during this downloading.

There are rarely any situations when a problem occurs, nevertheless, we want to collect the most frequent ones and suggest possible solutions for them. When an error happens an orange box with two error numbers pops up. In most cases only the first number is relevant.

Response from Google server is not signed correctly

Reasons/Solutions

• usually it's a problem with Google Play application. It's required to have an original Google Play application. Not any of its available modifications.
• installation of Locus may be damaged if you restored data by some backup manager like GoBackup or other right after the installation. Solution is not to restore Locus data this way but use rather Backup manager right after install.
• some users also reported that problems with license may be caused by application Lucky Patcher. Please try to remove this application during downloading the data files.