Lumia 920 stuck in reboot cycle.

Hi, got my lumia 920 a week ago at the most. First day, wouldnt turn on after initial setup. Hard reset, this went on for a couple of days, thought an update might fix it, got around to it and now the phone is stuck in a reboot cycle, goes from Nokia to black screen back to Nokia and so forth. I tried the power/volume down key, no luck, before that, the phone wouldnt even open up settings, brought up a "loading..." message and back to homescreen. Help

i have the same issue:
Hi, got my lumia 920 a week ago at the most. First day, wouldnt turn on after initial setup. Hard reset, this went on for a couple of days, thought an update might fix it, got around to it and now the phone is stuck in a reboot cycle, goes from Nokia to black screen back to Nokia and so forth. I tried the power/volume down key, no luck, before that, the phone wouldnt even open up settings, brought up a "loading..." message and back to homescreen. Help
doing a soft reset switches the phone on but most apps and settings do not work..it loads back to the homescreen. Do you have any solution.
Please help
Thanks

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http://www.nokia.com/gb-en/store-locator/?action=storeSearch&qt=Bournemouth+&country=GB
http://discussions.nokia.com/t5/Nseries-and-Symbian-Smartphones/Alternative-Nokia-Service-Centre-In-...
Bigticket38 wrote:
Hi,
When trying to reset to factory settings, the gears were turning for ages. I left it there doing its stuff overnight and the battery eventually ran out. Now I am stuck on the Nokia screen.
I looked online and tried different suggestions but nothing has worked so far. I did try both soft and hard reset but it keeps getting stuck on the Nokia screen.
I checked for a Nokia Care centre but it seems there is nothing around the Bournemouth area.
Does Nokia has a Customer Support centre I could send the phone too? How do I get my phone (still under warranty) fixed?
(Contacted the twitter with this question yesterday morning but did not get a reply so far.)
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I have just bought a Lumia 920 today, and now have the problems described in the thread subject... Every few minutes while idle, the phone will power down and immediately power up again. This does render the phone useless to me...
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Same thing on my Lumia 920 unit from ATT, received just today via online purchase. Began resetting within 30 minutes, and continues to do so, especially in places like voicemail and phone functions. Also fails to register initial settings like search engine (on every reset, goes back to Bing instead of Google) and other things I've had to re-configure 3 or 4 times. It took about four tries to get a Texas map database to download, despite using a home wi-fi right next to the wireless router.
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Lumia 920 reboots and my voice in phone calls are ...

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I received my Lumia 920 yesterday and experienced these errors right away:
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Lumia 920 stuck in reboot cycle.

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