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What Is Error (-1) ?

Hello And can somewon tell me what Is Error (-1) I update my i pod touch to install some apps and it says "An Unknown Error Occurred (-1)"...

Please Help Me Fast

iPod touch, I pod touch

Posted on Jan 18, 2013 10:21 AM

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Posted on Jan 18, 2013 10:22 AM

Error 1 or -1

This may indicate a hardware issue with your device.


Follow Troubleshooting security software issues, and restore your device on a different known-good computer.


If the errors persist on another computer, the device may need service.

3 replies

Jan 18, 2013 10:24 AM in response to MitiS

Not a gppd error:

Error 1 or -1

This may indicate a hardware issue with your device. Follow Troubleshooting security software issues, and restore your device on a different known-good computer. If the errors persist on another computer, the device may need service.


The "device may need service" means a hardware problem. in that case make an appointment at the Genius Bar of an Apple store.

Apple Retail Store - Genius Bar

What Is Error (-1) ?

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