HTC posted a net loss of 1.88 billion Taiwanese dollars (USD 62.3 million) in the first quarter, while sales hit a five-year low of 33.1 billion Taiwanese dollars.
But the company said it was ready to usher in a brighter picture for the second quarter after what it said was the launch of "our critically acclaimed HTC One (M8)" in March.
"Looking ahead, we are excited about the many new opportunities from the rapid development of TD-LTE in China and LTE in Taiwan. We believe that we are on course for a strong 2014," CEO Peter Chou said in a statement, speaking of a 4G technology.
"For the first time, the HTC One (M8) was launched with all four major carriers in the US," he said.
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He also said he has high hopes for the mid-tier Desire 816, which has also shown strong momentum in China and India.
Revenue in the second-quarter is forecast at a range of 65 billion Taiwanese dollars - 70 billion Taiwanese dollars, the company said.
But analysts have cautioned against optimism, saying it would be a long way for HTC to regain ground in the market dominated by rivals Samsung and Apple as well as low-cost Chinese rivals like Lenovo and Huawei.
The Taiwanese firm held a 4.6 per cent share of the global smartphone market in 2012, sharply down from 8.8 per cent a year earlier.
Samsung held a 30.3 per cent stake while Apple had 19.1 per cent, according to research firm IDC.