https://community.sony.com.mk/t5/xperia-archive/xperia-ion-update-issue/m-p/3120808#M302201 <P>Most likely is a connectivity problem or PC Companion / SUS are not correctly allowed by firewall</P><P>- Check the unused RAM of your PC/laptop</P><P>- Disable at all antivirus, antispyware and firewall</P><P>- Update Java virtual machine</P><P>- Try if you can another internet connection and/or another PC/Laptop</P> Wed, 30 Oct 2013 10:33:37 GMT Cot88 2013-10-30T10:33:37Z https://community.sony.com.mk/t5/xperia-archive/xperia-ion-update-issue/m-p/3120807#M302200 <P>Hi</P><P>My experia ion LT28at is not updating. I get the following details: Sony Update Engine failure (error 1601)</P><P>Also, Internet connection is good, data cable is good, usb port is good, pc companion and update service allowed trough firewall.</P><P>Please Help</P> Mon, 28 Oct 2013 20:12:02 GMT https://community.sony.com.mk/t5/xperia-archive/xperia-ion-update-issue/m-p/3120807#M302200 Billy1 2013-10-28T20:12:02Z https://community.sony.com.mk/t5/xperia-archive/xperia-ion-update-issue/m-p/3120808#M302201 <P>Most likely is a connectivity problem or PC Companion / SUS are not correctly allowed by firewall</P><P>- Check the unused RAM of your PC/laptop</P><P>- Disable at all antivirus, antispyware and firewall</P><P>- Update Java virtual machine</P><P>- Try if you can another internet connection and/or another PC/Laptop</P> Wed, 30 Oct 2013 10:33:37 GMT https://community.sony.com.mk/t5/xperia-archive/xperia-ion-update-issue/m-p/3120808#M302201 Cot88 2013-10-30T10:33:37Z