Nokia authorized repair center

Boxa786

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May 8, 2009
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Most nokias have a easy three button reset code, such as pressing the call key, with the number 3 and power button (this is only an example).

I would suggest googling "Nokia E90 hard reset".

Nevermind the google, found it for you:
http://oshady.com/Nokia-e90-Reset.html

As for a repair centre, check Nokias website for your nearest store.
www.nokia.com