Question about Siemens SX66
Open the Back Cover.. remove the Battery, Simcard, Memory Card and then leave it open for 1 minute.
Put the battery back, start your device then if you get the same message you need to update the firmware...
In the worst scenarios, your Siemens SX66 has a corrupt ROM and need to be fixed as in "Hardware"... which can be done by a Siemes expert.
Posted on May 24, 2008
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Posted on Jan 02, 2017
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