Exhibit 15.(a)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form F-3 (333-173065) and Form S-8 (Nos. 333-179982, 333-173974, 333-173064, 333-165433, 333-157795, 333-152445, 333-149830, 333-142662, 333-141674, 333-132846 and 333-124700) of Nokia Corporation of our report dated March 7, 2013 relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 20-F.

/s/ PRICEWATERHOUSECOOPERS OY

PricewaterhouseCoopers Oy

Helsinki, Finland

March 7, 2013