Xperia E15i keeps switching itself off

[#1]

Hello,

I've got a Sony Ericson Xperia E15i, Firmware-Version: 2.1-update 1, Baseband-Version M76xx-TSNCJOLYM-53404015, Kernel-Version 2.6.29, Build-Number: 2.1.1.C.0.0 and sometimes it just switches itself off.

It just switches off, after a second it restarts and asks for my pincode...

Before entering my pincode it is useless... alarm clock doesn't work and there is no network service so nobody can call me...

Due to this software-fail, auto-update-fcuk-up, whatever I've missed several important calls because I didn't notice that my phone had actually swtched itself off.

Is there anything I can do to deactivate this random restart feature?

Thank you very much

[Markus1]

As I'm sure you understand there's no "restart at random" feature in the phone. Something is clearly off here.

Are you using any task killers or app managers? Please uninstall these if you are as these apps often can cause restarts.

Also, please try a different SIM card in the phone. If the phone loose connection with the SIM card it will restart.

Let me know how it goes.

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[Ganeshpatil]

On my E15i X8 experia i cant use voip dialer before i was using & with new installation i can't use any more.

Please suggest to use voip dialer on this phone.