SymSync - Automated File Synchronization
Product: SymSync for S60 3rd and 5th.
The only tool available for Fully Automated Wireless (Wi-Fi, 3G, ...) file synchronization between phone and computer.
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What should I do if my SIM card doesn't work?

If your SIM is not working, the first thing to do is see what the cell phone says. If you see a message like “SIM error,” “Insert SIM,” SIM not ready” or something similar, try taking the SIM out then put it back in and power up your phone. Typically the SIM is underneath the battery, but it’s best to check with your cell phone manufacturer for instructions. For an example, the link below shows you how to remove a SIM in a Nokia cell phone.
In most cases, the phone has just lost its connection with the SIM (maybe because the phone was dropped) and reinserting the SIM will solve the problem.

If your phone got wet, let your phone dry out before you start it. The SIM itself will not be damaged by liquid; it also resists shocks and a high range of temperatures.

If reinserting the SIM does not solve the problem, go to your wireless service provider to get a new SIM.

Security Issues Continue To Shake Up Handhelds

As mobile phones become more computer-like, they're becoming more vulnerable to digital maladies that have long afflicted desktop PCs and laptops writes PAUL KORZENIOWSKI in his article FOR INVESTOR'S BUSINESS DAILY. He has talked about mobile phone viruses - Liberty Trojan horse (Palm), Phage.936 virus (Palm), Troj/Delf-HA Trojan horse (sends out the spam via SMS messages), Backdoor.Brador.A (Microsoft's Windows CE) and hackers increasing interest in handheld systems.

Security vendors and mobile operators are now getting their act together to address mobile security issues. Security market leaders such as McAfee, Symantec, Trend Micro and VeriSign and Wireless carriers like Sprint in the US, Wataniya in Kuwait, Mobinil in Egypt, b.mobile in Brunei, Celcom in Malaysia, Excel comindo in Indonesia see mobile security as a revenue opportunity.

Sprint has developed Sprint Mobile Security, which includes data encryption and a variety of endpoint defense tools. Celcom recently launched Secret SMS service to prevent spoofing / data disclosure of SMS messages on unattanded or lost phones. Other phone operators are contemplating release of innovative mobile security services that provide alerts when users lose their phones and even allow remote deletion of data on lost / stolen handsets.