Customers visit the Apple store of the Grand Central Terminal in New York, the United States, March 1.
Wang Lei—Xinhua News Agency/Getty Images
April 8, 2016 12:32 PM EDT

The Justice Department will pursue a lawsuit against Apple in Brooklyn to compel the company to unlock the iPhone of a convicted drug dealer.

On Friday, the Justice Department told a federal judge that it still needs Apple’s help opening the iPhone, even after the FBI was recently able to unlock a phone related to the San Bernardino shooting without the company’s help, NBC reports.

The workaround the FBI found for the San Bernardino case won’t work in the Brooklyn case because the phones in question are two different models on two different mobile operating systems, according to the government.

“The government continues to require Apple’s assistance in accessing the data it is authorized to search by warrant,” federal officials said the a letter to Judge Margo Brodie.

Write to Tessa Berenson at tessa.berenson@time.com.

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