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Recent Support Entries - S60 3rd Edition - Troubleshooting
Getting rid of 'Installation security error'
Q. Having bought a new Nokia smartphone, I'm having problems installing most of the programs I've downloaded. The error message is 'Installation security error, unable to install'. I spoke to Nokia and they say there is no security feature to prevent software installation.How do I backup my phone to the memory card (MMC/RS-MMC/miniSD)?
Q. When getting my firmware upgraded, or when resetting a device using restore to factory settings codes, it is useful to be able to back up the internal memory of my device. How can I do this?Search Support
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Notes
Note: Some of the Q&A in this Support section were written by Steve Litchfield in his PDA Essentials magazine column from 2000 to 2005 and are republished here with permission. In many cases, the text has been revised and updated over that which appeared in the published magazine. In some cases, questions have been reworked from more specific queries on Internet forums, thanks to all who contribute to these. All text is copyrighted to Steve Litchfield, All About Symbian, PDA Essentials and other relevant contributors and commenters.

